This exhaustive study delineates the United States federal and Wisconsin state Research and Development (R&D) tax credit requirements, applying these statutory frameworks to the economic landscape of Eau Claire, Wisconsin. Through five unique industry case studies, the subsequent analysis examines how local enterprises leverage these incentives to drive innovation and regional economic development.

The United States Federal R&D Tax Credit Architectural Framework

The United States federal government has long recognized that domestic innovation is the primary engine of macroeconomic growth, global competitiveness, and high-wage job creation. To incentivize corporate investment in technological advancement, the federal tax code provides the Credit for Increasing Research Activities, codified under Internal Revenue Code (IRC) Section 41, alongside the highly interrelated treatment of research and experimental expenditures governed by IRC Section 174. Originally introduced as a temporary measure in the Economic Recovery Tax Act of 1981, the R&D tax credit underwent numerous temporary extensions before finally being codified as a permanent provision by the Protecting Americans from Tax Hikes (PATH) Act of 2015. This permanence transformed the credit from a speculative year-end bonus into a foundational, predictable element of corporate tax planning and capital allocation strategies for innovative enterprises across the United States.

To successfully qualify for the federal R&D tax credit, a taxpayer’s activities must meet a highly rigorous, statutorily defined standard of “qualified research.” This determination is not based on the commercial success of a product, nor is it based on the novelty of the invention to the broader world. Rather, it is governed by a stringent four-part test outlined in IRC Section 41(d), which evaluates the technical nature of the development process specific to the taxpayer. Furthermore, the Internal Revenue Service (IRS) imposes strict contemporaneous documentation and reporting requirements to substantiate claims, primarily filed via the increasingly complex Form 6765. As of recent administrative changes, taxpayers planning to claim the research credit must implement robust processes to gather the detailed qualitative and quantitative information required by the IRS’s updated valid refund claim guidance, which mandates the precise identification of all business components, the specific research activities performed, and the individuals who performed them.

The Four-Part Test for Qualified Research

For an activity to be deemed legally eligible for the federal credit, it must simultaneously satisfy all four criteria of the IRC Section 41(d) test. The IRS Audit Techniques Guide—the primary manual used by federal examiners during R&D tax credit audits—explicitly mandates that these tests be applied separately to each specific “business component” developed by the taxpayer, effectively utilizing a “shrink-back” rule if a larger project fails the test at the macro level.

The Section 174 Test (The Permitted Purpose Requirement) The foundational requirement is that the research must be intended to develop a new or improved business component for the taxpayer. A business component is statutorily defined with strict parameters as a product, process, computer software, technique, formula, or invention that is held for sale, lease, license, or used internally in the taxpayer’s active trade or business. The targeted improvement must explicitly relate to the component’s functionality, performance, reliability, or quality. The federal code explicitly excludes purely aesthetic, cosmetic, or seasonal modifications from eligibility, as these do not represent a fundamental technical advancement. Furthermore, to meet the Section 174 standard, the expenditures associated with the activity must represent research and development costs in the experimental or laboratory sense, incurred in direct connection with the taxpayer’s active trade or business.

The Discovering Technological Information Test (The Technological in Nature Requirement) The activity must be undertaken for the fundamental purpose of discovering information that is technological in nature. This criterion requires the research methodology and the underlying business component to fundamentally rely on the principles of the “hard sciences.” These recognized hard sciences are strictly categorized as the physical sciences, biological sciences, computer science, or engineering. Research methodologies that are based on “soft sciences”—such as psychology, behavioral economics, market research, or management science—fail this test completely and are strictly excluded from the credit calculation, regardless of how complex or mathematically rigorous those soft science models may be.

The Elimination of Uncertainty Test At the outset of the development project, the taxpayer must encounter fundamental technological uncertainty regarding the development or improvement of the business component. The IRS defines uncertainty as existing if the information available to the taxpayer at the project’s inception does not establish the capability of developing the component, the optimal method for developing or improving the business component, or the appropriate design of the component. The core objective of the research activities must be to systematically eliminate this specific technical uncertainty. If a company already knows how to build a product using established engineering methodologies and faces only scheduling or financial risks, the project lacks technical uncertainty and fails this test.

The Process of Experimentation Test The most heavily litigated element of the four-part test requires that substantially all of the activities constitute elements of a process of experimentation for a qualified purpose. The IRS defines “substantially all” as a threshold where 80% or more of the research activities must fall within this experimental process. This process necessitates a structured, scientific methodology: the taxpayer must establish a technical hypothesis, design an experiment to test that hypothesis, conduct physical testing or computational modeling, analyze the empirical results, and refine the hypothesis based on the data captured. The evaluation of one or more design alternatives is mandatory. Routine testing, quality control methodologies, or simple trial-and-error without a scientific framework do not qualify as a true process of experimentation.

Qualified Research Expenses (QREs)

If a specific business component successfully passes the four-part test, the specific costs directly associated with that activity may be quantified and claimed as Qualified Research Expenses (QREs). Under IRC Section 41(b), eligible QREs are strictly limited by statute to four exclusive financial categories:

The first category is Wages. This includes the W-2 taxable wages paid to internal employees who are engaged in the direct performance, direct supervision, or direct support of qualified research activities. The inclusion of direct supervision and direct support allows companies to claim the time of engineering managers who oversee technical experiments, as well as laboratory technicians or machinists who build prototypes, even if they are not the primary inventors.

The second category is Supplies. Supply QREs consist of tangible, non-depreciable property that is consumed, transformed, or destroyed during the research process. This prominently includes the raw materials used to construct alpha and beta prototypes, testing substrates, and chemicals consumed in laboratory experiments. General administrative supplies, capital equipment, land, and property subject to depreciation under MACRS are explicitly excluded from the supplies definition.

The third category is Contract Research. This encompasses payments made to third-party contractors, external engineering firms, or testing laboratories performing qualified research on behalf of the taxpayer. Because the third party must also maintain a profit margin, the federal tax code applies a statutory haircut: generally, only 65% of contract research expenses are eligible to be included as QREs. However, this inclusion rate increases to 75% for payments made to qualified research consortiums (such as certain 501(c)(3) scientific research organizations).

The final category is Computer Rental and Cloud Hosting. This includes the costs associated with renting or leasing computers used directly in qualified research. In the modern digital economy, this category has evolved to capture the significant cloud computing expenses (such as Amazon Web Services or Microsoft Azure) associated with maintaining dedicated development servers and staging environments where software engineers program, compile, and test new or improved software functionality before it is deployed to commercial production environments.

Federal Case Law and Administrative Scrutiny

The Internal Revenue Service continuously refines its enforcement mechanisms regarding IRC Section 41 through administrative guidance, strategic audit campaigns, and active litigation in the United States Tax Court. Taxpayers are under a strict burden to maintain contemporaneous documentation that is, as the courts mandate, “in sufficiently usable form and detail to substantiate that the expenditures claimed are eligible for the credit”.

A critical legal precedent demonstrating the high bar of this standard is the United States Tax Court case involving Moore (Scott Moore and Gayla Moore v. Commissioner). In this consequential case, the taxpayers claimed research credits on their personal income tax returns that were passed through to them from Nevco, Inc., an S corporation. The primary issue at trial was whether the wages paid to the Chief Operating Officer (COO) of Nevco constituted eligible QREs for the company’s R&D tax credit calculation. According to the trial record, the COO conducted a wide range of general management functions while also allegedly supervising the company’s R&D department. Nevco aggressively included 65% of the COO’s total W-2 wages as QREs in its federal claim.

Upon examination, the IRS found insufficient documentation to prove the COO’s specific, technical involvement in the R&D activities and fully disallowed the wages. The Tax Court agreed with the IRS’s disallowance. The Court’s analytical framework focused strictly on whether the COO was engaged in the direct performance of qualified services, or the direct supervision or direct support of persons who performed qualified services under IRC Section 41(b)(2)(B)(ii). The Court noted that the taxpayer failed to produce detailed documentation, such as project time-tracking or meeting minutes, that could explicitly separate the COO’s technical supervision of the R&D department from his overarching administrative, financial, and general management duties. The Moore decision serves as a stark warning to corporate taxpayers: high-level executive wages cannot be claimed based on broad, retroactive estimates or generalized percentages. Explicit, contemporaneous, and project-based documentation linking the specific individual to the technical process of experimentation is an absolute legal requirement to survive federal scrutiny.

The Wisconsin State R&D Tax Credit Legislative Framework

The State of Wisconsin has engineered a highly lucrative and strategically structured Research Expense Credit, modeled largely upon the federal framework of IRC Section 41, designed specifically to incentivize businesses to localize their high-value technological development and scientific engineering within the state’s borders. Codified comprehensively under Wisconsin Statutes Section 71.28(4) and detailed extensively in the Wisconsin Department of Revenue (DOR) Publication 131, the state credit provides a direct, dollar-for-dollar reduction in corporate franchise or individual income tax liabilities. Nonrefundable credits are counted as revenue reductions in the state’s accounting system, whereas the refundable portions are paid from state appropriations and counted as direct economic expenditures.

Statutory Alignment and Divergences from Federal Tax Law

To ensure administrative efficiency, Wisconsin strictly defines which expenses are eligible to be used in the calculation of the state credit by explicitly referencing the definition of qualified research found in IRC Section 41 and the related federal treasury regulations. A project must pass the same four-part test—Permitted Purpose, Technological in Nature, Elimination of Uncertainty, and Process of Experimentation—to qualify in Wisconsin. However, the Wisconsin legislature has crafted several critical statutory divergences from federal law to protect state revenues and aggressively target in-state economic development.

The most fundamental divergence is the strict In-State Geographic Restriction. According to Wis. Stat. § 71.28(4)(ad)4.b, qualified research expenses include only those financial expenses incurred by the specific claimant for research conducted explicitly within the physical borders of the State of Wisconsin during the taxable year. This creates complex tracking requirements for multistate corporations. For example, if a combined corporate group consists of Member A located in Illinois and Member B located in Wisconsin, and Member A provides the funding for Member B to execute the technical research at its Eau Claire facility, the research is only considered a QRE for Member B, the entity actually performing the research within the state. Reimbursements from the funding member are explicitly excluded from being QREs for that funding entity.

A second, massive economic divergence involves the Non-Adoption of TCJA Section 13206. The federal Tax Cuts and Jobs Act (TCJA) of 2017 enacted punitive changes to IRC Sections 174 and 280C, which became effective for tax years beginning after December 31, 2021. These federal changes require taxpayers to mandatory capitalize and amortize all domestic R&D expenses over a five-year period, severely reducing immediate cash flow for innovative companies. Recognizing the chilling effect this would have on innovation, the Wisconsin legislature made a deliberate economic policy decision to explicitly not adopt Section 13206 of the TCJA (P.L. 115-97). Consequently, the pre-2022 federal rules remain fully in effect for Wisconsin tax purposes. This allows Wisconsin taxpayers to deduct their R&D expenses in the immediate year they are incurred, providing a massive cash-flow advantage for companies conducting research in Wisconsin compared to those operating in states that conform strictly to the current federal IRC.

A third divergence relates to Contract Research Exceptions. While the federal tax code strictly limits contract research to a 65% inclusion rate, Wisconsin statutory law allows payments made to specific entities—namely Eligible Small Businesses, Wisconsin Universities, and Federal Laboratories located within the state—to be calculated at an exceptional 100% inclusion rate for state credit purposes, further encouraging public-private research partnerships within the local ecosystem.

Tiered Credit Rates, Calculations, and Advanced Industry Incentives

Wisconsin utilizes an incremental calculation methodology, computing the research credit based on a company’s historical R&D spending to reward continuous expansion of the research footprint. The standard baseline calculation requires computing the average of the taxpayer’s Wisconsin QREs for the three immediately preceding taxable years. The statutory base amount is mathematically defined as 50% of this three-year historical average. If a taxpayer had zero QREs in any of those three prior years, the base calculation is skipped, and alternative startup rates apply directly to the current year’s spend.

The credit is then systematically applied to the “excess QREs”—which is the exact dollar amount by which the current-year QREs exceed the computed base amount—using a targeted, tiered statutory rate system designed to promote specific industrial sectors:

The Progression of Refundability and Long-Term Carryforward Provisions

State legislatures recognize that the most innovative enterprises—particularly biotechnology startups, early-stage software developers, and advanced manufacturers entering new markets—often generate substantial R&D tax credits years before they achieve taxable commercial profitability. To prevent these credits from becoming trapped assets on the balance sheet, the Wisconsin Department of Revenue has progressively engineered and increased the refundability mechanisms of the state credit.

For the taxable years encompassing 2018 through 2020, the refundable portion of the generated credit was strictly capped at 10%. Recognizing the need for increased capital liquidity during the post-pandemic economic recovery, the legislature increased this refundable portion to 15% for taxable years 2021 through 2023. Most recently, under the sweeping 2023 Wisconsin Act 19, for tax years beginning on or after January 1, 2024, an unprecedented 25% of the computed research credit is fully refundable. The Department of Revenue clarifies the mechanics: the actual refund is the lesser of the mathematically calculated 25% maximum or the remaining credit balance after it has been used to offset the company’s current year franchise or income tax liability. If the refundable portion exceeds the liability, the State of Wisconsin issues a direct cash check from its treasury appropriations. Furthermore, any unused, nonrefundable portion of the massive credit may be carried forward for up to 15 consecutive years to offset future corporate tax liabilities, ensuring long-term utility.

Wisconsin Tax Appeals Commission Case Law and Administrative Jurisprudence

The Wisconsin Department of Revenue and the judicial body of the Wisconsin Tax Appeals Commission (WTAC) aggressively scrutinize R&D tax credit claims to ensure absolute statutory adherence and to dismantle abusive tax avoidance architectures. In the eyes of the Commission, a process that is deemed “frivolous or groundless” or primarily constructed for the delay of tax administration will not only result in the total denial of the credit but will rapidly subject the taxpayer to severe financial penalties.

A paramount focus of the WTAC’s jurisprudence is the complex legal interplay between QRE generation and corporate income apportionment. If a multistate corporation formally claims that its engineering activities are conducted in Wisconsin to qualify for the highly lucrative 5.75% or 11.5% R&D credit, it is simultaneously establishing an irrefutable nexus proving that its income derived from those specific activities is legally subject to Wisconsin’s franchise tax. The Tax Appeals Commission routinely investigates and rejects “credit shopping” corporate structures where a taxpayer aggressively claims the financial “benefit” of the refundable credit in Wisconsin while simultaneously utilizing complex “look-through” sourcing positions to artificially apportion the resulting software or manufacturing income to lower-tax jurisdictions. In a landmark ruling regarding look-through sourcing, the WTAC held that a taxpayer could not simply look through an intermediary and source its massive receipts exclusively to the location of end-user software use to bypass Wisconsin taxation while simultaneously claiming Wisconsin-based R&D engineering credits.

Furthermore, the WTAC relies heavily on the economic substance doctrine to govern related-party transactions. As demonstrated in broader franchise tax litigation such as the highly publicized Skechers case, the Commission and the appellate courts will strike down internal corporate transactions or structural arrangements that lack a valid, demonstrable business purpose beyond mere tax avoidance, labeling them illegal “sham transactions”. When applied to the R&D credit, this legal precedent demands that contract research agreements executed between related parent and subsidiary entities must reflect true arm’s-length pricing and transfer genuine economic risk. A multinational parent company cannot simply funnel funds on paper to a Wisconsin-based subsidiary purely to manufacture a 100% refundable state credit without demonstrating the substantive, physical execution of the technical research by the subsidiary’s own payroll.

For pass-through entities—encompassing Partnerships, Limited Liability Companies (LLCs) treated as partnerships, and Subchapter S-Corporations—the QREs are computed at the entity level, but the entity itself cannot claim the credit to offset its own liability. Instead, the credits flow through to the individual partners, members, or shareholders based on their precise ownership interests, and are reported utilizing the mandatory Wisconsin Schedule R. Unique and highly restrictive rules govern combined corporate groups operating under Wis. Stat. § 71.255; while nonrefundable credits can be shared among various combined group members under certain stringent economic conditions to offset aggregate unitary income, the highly sought-after refundable portion of the R&D credit cannot be shared and is strictly limited exclusively to the individual corporate member generating the current-year QREs.

Eau Claire’s Economic Evolution and the Foundation for Industrial Innovation

Understanding precisely how the complex mechanics of the federal and state R&D tax credits apply in reality requires a deep analysis of the economic transformation of Eau Claire, Wisconsin. Located strategically at the geographic confluence of the Chippewa and Eau Claire rivers, the municipality of Eau Claire was originally incorporated in 1872 as a rugged, frontier logging town. During the late 19th century, vast consortiums of loggers extracted the region’s seemingly limitless pine timber resources. However, by the turn of the 20th century, loggers had virtually exhausted the pine timber along the riverways, forcing the closure of most lumber mills and pushing the city into its first major existential economic transition.

In 1917, Eau Claire transitioned aggressively into the heavy manufacturing age when industrialist Raymond Gillette opened a massive rubber company dedicated to producing automobile tires. By 1931, the plant was acquired by the U.S. Rubber conglomerate and subsequently renamed Uniroyal. For over seven decades, from 1917 to 1992, the Uniroyal tire plant operated as the city’s largest singular employer and positioned Eau Claire as one of the world’s leading producers of automobile tires, forging a deep regional culture of blue-collar mechanical engineering and heavy industrial output. However, the devastating closure of the Uniroyal plant in 1992 resulted in the immediate loss of thousands of well-paying manufacturing jobs, causing the local economy to stumble severely into a post-industrial depression.

Refusing to succumb to the systemic decline that plagued many Midwestern rust-belt cities, Eau Claire’s government and private sector leadership engaged in a deliberate, highly coordinated strategy of economic restructuring and diversification. The city heavily invested local tax dollars and leveraged state grants to develop targeted, high-technology business infrastructure, most notably the Gateway and Sky Park Industrial Centers. The Sky Park Industrial Center, strategically located on the city’s south side adjacent to Highway 53 and Interstate 94, was purpose-built across 120 acres with heavy electricity and natural gas service provided by Xcel Energy, deep municipal water reserves, and massive fiber optics and ISDN broadband infrastructure specifically designed to attract advanced, clean-room light manufacturing, pharmaceutical research, and global distribution facilities. This foresight rebounded the local economy as a wave of computer hardware manufacturers, precision injection molders, and biomedical firms moved into the region.

Today, the City of Eau Claire has achieved a robust population of 68,886, securing its position as the 8th largest city in the State of Wisconsin and functioning as the premier regional commercial business center. Remarkably, it is now the second-fastest growing major city in Wisconsin after Madison, exhibiting a 5.4% population growth rate between 2010 and 2020. The economy is completely diversified away from single-industry reliance, driven primarily by five massive economic pillars: Retail Trade (employing 8,294), Healthcare & Social Assistance (employing 8,077), Advanced Manufacturing (employing 5,536), Educational Services (employing 3,884), and Technology (employing over 2,000 professionals). The continuous presence of higher education institutions, notably the University of Wisconsin-Eau Claire and Chippewa Valley Technical College, ensures a constant, highly educated pipeline of mechanical engineers, computer scientists, agronomists, and medical professionals. This diverse, talent-rich ecosystem provides a fertile, high-growth environment for businesses across multiple sectors to engage in complex qualified research, driving tens of millions of dollars in eligible R&D expenditures annually.

Industry Case Studies and Tax Credit Eligibility in Eau Claire

The following five exhaustive case studies analyze specific, distinct industries deeply rooted in the Eau Claire ecosystem. Each case study details their unique historical development within the Chippewa Valley, outlines their highly specialized technical R&D activities, and explicitly demonstrates how they navigate the rigorous requirements of the IRC Section 41 four-part test and the specialized provisions of Wisconsin Statutes Section 71.28(4).

Agricultural Science and Food Technology — Silver Spring Foods (Huntsinger Farms)

Historical Development in Eau Claire: The massive agricultural and fast-moving consumer goods (FMCG) sector in Eau Claire is irrevocably anchored by Silver Spring Foods, Incorporated. The global enterprise was founded in 1929 by Ellis Huntsinger, an entrepreneur who accurately recognized the highly fertile, specific soil potential of the Chippewa Valley. In the early days, Huntsinger harvested, prepared, and bottled horseradish entirely by hand. By 1937, utilizing profits from his early success, Huntsinger purchased a much larger tract of land known as Becky Gardens, expanding his farming operation with a mechanized tractor and planter, and subsequently renaming the operation Silver Spring Gardens in honor of a clear water spring located on the property. The strategic geographic location of Eau Claire proved to be a massive commercial advantage in 1953 when a devastating drought swept through the south-central United States, decimating the crops of the nation’s other primary horseradish growers. Silver Spring Gardens was largely unaffected by the drought, allowing them to maintain low market pricing, capture massive market share, and purchase an additional 1,000 acres of farmland outside of Eau Claire. By 1955, the operation owned 1,500 acres, yielded 3 tons of horseradish per acre, and was featured nationally in Harvester World Magazine. Today, functioning under the leadership of Huntsinger’s great-grandson, Eric Rygg, Silver Spring Foods is the world’s absolute largest grower, producer, and processor of horseradish, operating a massive processing plant and corporate headquarters directly in Eau Claire.

Specific R&D Activities and Technical Uncertainties: To maintain its global dominance, Silver Spring Foods engages in highly intensive agricultural engineering and biochemical research. A primary area of continuous R&D is the field of “precision agriculture” and long-term soil sustainability. In the early operational decades, Huntsinger’s teams discovered that continuous farming of horseradish on the exact same soil year after year caused a massive depletion of soil nutrients; the roots suffered a drastic loss of yield and became highly susceptible to biological diseases, destroying the quality of the product. To eliminate this existential uncertainty, the company’s agronomists engineered complex, multi-variable crop rotation matrices—spanning a massive 5 to 7 year cycle on each field. These experimental cycles incorporate varying sequences of corn, soybeans, potatoes, and highly specific cover crops designed to biologically preserve soil health and chemically stabilize soil fertility. Modernly, this R&D involves the deep integration of GPS-guided drone telemetry to digitally analyze soil degradation patterns and optimize resource allocation. Furthermore, in 2018, their engineers designed a massive, highly complex Water Retention Pond system that reclaims wastewater from the factory washing cycle, chemically treating and reusing 8 to 10 million gallons of water annually to irrigate 150 acres of crop production land, representing a massive feat of environmental engineering.

Simultaneously, the company conducts rigorous, laboratory-grade biochemical research through its elite sensory science division, employing specialized scientists known internally as “Zing Masters”. The famous horseradish flavor is not inherent to the intact root; rather, it is a highly volatile hydrolysis product generated only when the root’s cellular walls are crushed, forcing the enzyme myrosinase to physically mix with glucosinolates. Because this chemical reaction is incredibly volatile and degrades rapidly, the Zing Masters conduct exhaustive shelf-life studies, testing variables like root grind size, temperature gradients, and the precise additions of chemical ingredients to control flavor degradation. (This methodology traces its conceptual origins to a fortuitous 1941 experiment where Huntsinger accidentally discovered that adding dairy cream acted as a natural chemical preservative and flavor enhancer). To quantify the subjective heat, the scientists engineered a proprietary “Zing Factor Index” (ranging from Z-1 to Z-5) utilizing complex threshold testing to control and strictly quantify the exact parts-per-million of volatile flavor compounds across vastly different biological crop yields.

Comprehensive Federal and State Tax Credit Application:

• Permitted Purpose & Technological in Nature: The engineering of the Zing Factor Index, the chemical stabilization of hydrolysis products, and the design of the wastewater reclamation system represent new formulas, manufacturing processes, and techniques that are fundamentally grounded in the hard sciences of biology, chemistry, and environmental engineering, easily satisfying the first two prongs of IRC Section 41.
• Elimination of Uncertainty & Process of Experimentation: Agricultural variables (fluctuating weather patterns, evolving soil diseases) and the volatility of myrosinase create severe, inherent technical uncertainty in crop yields and flavor profiles. The systematic, documented testing of specific grind sizes, chemical additives, and multi-year rotation cycles to find the optimal biological yield constitutes a textbook, hard-science process of experimentation.
• Eligible QREs: The W-2 wages of the Zing Masters, lead agronomists, and quality control managers physically performing the shelf-life studies, threshold testing, and soil telemetry analysis strictly qualify for the federal wage QRE credit. Furthermore, the raw agricultural materials (crops, experimental chemical additives) that are permanently consumed or destroyed during the destructive threshold testing qualify as supply QREs.
• Wisconsin State Eligibility: Because the entirety of the research, farming, and processing occurs at the Eau Claire facility and the surrounding Huntsinger Farms within the state boundaries, the expenses strictly meet the unforgiving in-state geographic requirement of Wis. Stat. § 71.28(4). As a highly mature, legacy company, Silver Spring Foods would calculate its base amount using the 3-year historical average methodology and claim the 5.75% general research credit on all excess QREs, while aggressively utilizing the new 25% refundable provision to generate immediate treasury cash if the generated credits exceed their current state franchise tax liability.

Medical Device Manufacturing — Phillips-Medisize

Historical Development in Eau Claire: Eau Claire’s successful macroeconomic transition from the heavy tire manufacturing of the Uniroyal era to advanced, highly regulated clean-room manufacturing is perfectly exemplified by the explosive growth of Phillips-Medisize, an elite Molex company. Originally founded in Wisconsin in 1964, Phillips-Medisize has aggressively expanded over five decades to become a premier, global Contract Development and Manufacturing Organization (CDMO) exclusively serving the world’s largest pharmaceutical, medtech, and in-vitro diagnostics corporations. The company made a deliberate, strategic corporate decision to cluster its most advanced operations in west-central Wisconsin, culminating in massive capital investments across the region. This includes highly advanced operations housed within the Sky Park Industrial Center in Eau Claire, and a recent, sprawling 180,000-square-foot FDA-registered cGMP facility situated on a 34-acre site in the nearby St. Croix Meadows development, representing a localized investment exceeding $40 million. The region’s rich, multi-generational legacy of manufacturing, combined intimately with a workforce trained in precision machining and robotics by the local technical college system, made Eau Claire the ideal global hub for their zero-defect operations.

Specific R&D Activities and Technical Uncertainties: Operating as an elite CDMO, Phillips-Medisize does not merely serve as a build-to-print job shop; they are actively engaged by leading pharmaceutical companies to architect and design the fundamental manufacturing processes for highly complex, life-saving medical devices. Their portfolio includes the engineering of continuous glucose monitoring (CGM) systems, highly complex medical connectors, and sophisticated Aria Smart Autoinjectors utilized for biologic drug delivery.

A massive area of their internal R&D involves advanced materials science, micro-injection molding, and complex assembly automation. For example, integrating the microscopic sharp components for a CGM system requires extreme, sub-micron precision in metal stamping, chemical plating, and plastic overmolding. Severe technical uncertainties constantly arise regarding polymer thermal expansion rates, fluid flow dynamics of molten plastics inside micro-cavities, and ensuring that form-in-place gasketing technologies can maintain absolute hermetic seals without chemically degrading the highly sensitive biologic drugs contained within the devices over a multi-year shelf life. To overcome these intense uncertainties, their multidisciplinary teams—comprising over 650 mechanical engineers, materials scientists, and technical experts globally—utilize advanced computational fluid dynamics (CFD) software modeling, conduct atomic-level computed tomography (CT) metrology, and run thousands of iterative tooling trials to optimize the manufacturing process before ever attempting to scale to high-volume production runs in the hundreds of millions.

Comprehensive Federal and State Tax Credit Application:

• Permitted Purpose & Technological in Nature: The complex engineering of custom micro-injection molding techniques, the programming of robotic automated assembly lines, and the materials testing for biologic compatibility are explicitly “new processes” grounded fundamentally in the hard sciences of materials science, thermodynamics, and mechanical engineering.
• Elimination of Uncertainty & Process of Experimentation: The engineering teams must iteratively test varying mold pressures, manipulate temperature gradients, and experiment with proprietary polymer blends to eliminate the catastrophic uncertainties of part warpage, micro-seal failure, or biologic contamination.
• Eligible QREs & Complex Contract Research Nuances: The W-2 wages of the Eau Claire-based engineers, CAD designers, and tooling machinists completely dedicated to designing and physically validating these new manufacturing processes are premium eligible QREs. Crucially, as a CDMO performing research explicitly for third-party pharmaceutical clients, Phillips-Medisize’s tax department must carefully analyze every single customer contract under the strict rules of IRC Section 41. To legally claim the R&D credit internally for themselves, the language of the contract must place the financial risk of the research failure squarely on Phillips-Medisize (e.g., a fixed-price contract where they only get paid if the machine works), and they must legally retain substantial rights to the underlying manufacturing process developed, even if the client owns the final drug product. If the customer holds all intellectual property rights and pays Phillips-Medisize on an hourly basis regardless of ultimate success, Phillips-Medisize cannot claim the wages; instead, the pharmaceutical customer claims the expense as contract research (subject to the 65% limitation).
• Wisconsin State Eligibility: The Wisconsin state government explicitly targeted this corporate expansion through positive business climate incentives. The Eau Claire engineering wages, the astronomical costs of cloud-computing simulation software, and the raw prototype tooling resins destroyed during failed test runs are fully eligible for the state’s 5.75% general research credit.

Enterprise Software and Cybersecurity Technology — Jamf

Historical Development in Eau Claire: Eau Claire’s rapidly expanding technology sector is most prominently highlighted by Jamf Holding Corp., a globally recognized, publicly traded enterprise software development company. The company’s remarkable genesis is inextricably linked directly to the campus of the University of Wisconsin-Eau Claire. In 2002, co-founder Zach Halmstad was a university student working full-time in the UW-Eau Claire IT department. Tasked individually with the monumental effort of deploying, updating, and meticulously tracking over 400 Mac computers utilized by students and faculty, Halmstad found the existing market of IT management tools to be grossly inadequate and highly fragmented. Facing manual inventory preparation and machine configurations that were inherently “time consuming and painful,” he realized a massive, critical gap existed in the commercial market for robust, automated Apple device management specifically designed for large-scale enterprise and educational environments. Halmstad, alongside co-founders Christopher Thon and Chip Pearson, officially founded Jamf in Eau Claire, initially launching their flagship product suite known as “The Casper Suite” (which was brilliantly rebranded as Jamf Pro in 2017). Bootstrapping the company locally with personal savings and IT consulting revenue, they built a massive enterprise software operation. Even after receiving a $30 million investment from Summit Partners, being acquired by Vista Equity Partners, expanding globally, and eventually executing an Initial Public Offering (IPO) on the Nasdaq exchange, Jamf maintains a massive, critical operational footprint and engineering office presence directly in downtown Eau Claire.

Specific R&D Activities and Technical Uncertainties: Jamf operates at the absolute cutting edge of the highly dynamic endpoint security and Mobile Device Management (MDM) software sector, generating hundreds of millions in annual revenue. Their core, perpetual technical challenge is providing flawless “zero-day” support for Apple’s constantly evolving, highly secretive operating systems (macOS, iOS, iPadOS). Every single time Apple fundamentally alters its underlying kernel architecture, modifies its root security protocols, or completely deprecates legacy API frameworks, Jamf faces severe, immediate technical uncertainty regarding exactly how their deployed MDM agents will interact with the new host OS in a live corporate environment.

Their R&D operations involve complex software engineering tasks: reverse-engineering deployment workflows, developing entirely new cryptographic handshake protocols to allow for secure remote wiping of stolen devices without compromising user privacy, and architecting cloud-native microservices capable of handling millions of concurrent device check-ins per second without suffering catastrophic server latency or database locks. Their software engineers must run highly intensive, iterative automated QA testing, construct massive beta-environment simulations, and execute complex algorithmic stress testing to completely eliminate technical uncertainties surrounding memory leaks, cloud server load balancing failures, and potential endpoint security vulnerabilities before releasing the software patch to Fortune 500 clients.

Comprehensive Federal and State Tax Credit Application:

• Permitted Purpose & Technological in Nature: The continuous, aggressive development of Jamf Pro version updates, the authoring of new endpoint security algorithms, and the integration of highly complex cloud architectures are clearly defined as new or improved software business components relying entirely on the hard science of computer science, strictly satisfying IRC Section 41.
• Elimination of Uncertainty & Process of Experimentation: The Agile software development lifecycle utilized by their teams—writing source code, compiling binaries, debugging logic errors, testing extreme edge cases against undocumented iOS beta releases, and refactoring the architecture based on crash logs—is the quintessential, legally recognized process of experimentation required by the federal tax code.
• Eligible QREs: By far the most substantial QRE for Jamf is the massive aggregate W-2 wages of its software developers, QA automation engineers, cloud systems architects, and technical product managers working in the Eau Claire engineering offices. Additionally, under specific federal and state rules, the astronomical monthly costs of renting remote cloud environments (such as dedicated AWS or Azure instances) used exclusively as dedicated development, staging, and stress-testing servers are fully eligible to be claimed as computer rental QREs.
• Wisconsin State Eligibility: All software code authored and tested by employees physically sitting in the Eau Claire offices strictly qualifies for the Wisconsin state credit. Furthermore, because Jamf operates as a massive, publicly traded C-Corporation, it claims the credit directly on its corporate franchise tax return, rather than passing it through to shareholders, allowing it to aggregate the credits and actively utilize the 15-year carryforward provision for any nonrefundable portions accumulated during aggressive, early-stage expansion phases when R&D spending vastly outpaced taxable income.

Building Materials and Advanced Manufacturing — Menards (Midwest Manufacturing)

Historical Development in Eau Claire: Menard, Inc., widely recognized by the public operating simply as Menards, is a titan of retail, standing as the third-largest home improvement retail chain in the entire United States, operating 341 massive big-box stores and generating an estimated $13 billion in annual revenue. The entire corporate headquarters apparatus and its massive internal manufacturing arm are deeply and historically rooted in Eau Claire. In 1958, while attending the University of Wisconsin-Eau Claire, John Menard Jr. began an entrepreneurial venture constructing post-frame agricultural buildings (commonly known as pole barns) specifically to finance his higher education. Discovering a highly lucrative secondary market for his surplus construction lumber, he incorporated the business in 1962 and opened the very first Menard Cashway Lumber retail location to the public in Eau Claire in 1964.

Crucially from an R&D perspective, Menards does not merely function as a retailer of third-party goods; they are a massive, vertically integrated advanced manufacturer. In 1969, to strictly control supply chain logistics and relentlessly keep retail prices low, the company established the Midwest Manufacturing division, starting with a single engineered truss plant in Eau Claire. Today, Midwest Manufacturing operates massive industrial facilities producing highly engineered steel roofing, complex engineered roof and floor trusses, Mastercraft branded doors, and UltraDeck composite decking materials.

Specific R&D Activities and Technical Uncertainties: While the retail operations of Menards absolutely do not qualify for R&D credits, the Midwest Manufacturing division faces continuous, high-level engineering and materials science challenges that do qualify. Developing next-generation composite materials like UltraDeck requires precision balancing of the physical ratio of recycled wood fibers to high-density polyethylene (HDPE) plastics and chemical bonding agents. Extreme technical uncertainties involve determining the exact thermal extrusion temperatures, the specific cooling rates, and the precise chemical UV inhibitors required to successfully prevent catastrophic solar degradation, moisture absorption, and structural delamination over a guaranteed 25-year lifespan in extreme, freezing midwestern climates.

Similarly, the structural engineering of their custom roof and floor trusses involves highly complex mathematical modeling. When designing new, long-span load-bearing truss geometries for massive commercial or agricultural buildings, structural engineers must experiment via computer simulation and physical load testing with different gauge steel gusset plates, varying lumber grades, and complex stress-strain calculations to entirely eliminate the uncertainty of structural failure under dynamic, worst-case scenario snow and wind shear loads.

Comprehensive Federal and State Tax Credit Application & The Enhanced 11.5% Rate:

• Permitted Purpose & Technological in Nature: Developing new composite decking chemical formulas and mathematically designing structurally engineered trusses are definitively new products and processes based strictly on the hard sciences of materials science and structural engineering.
• Process of Experimentation: Physically extruding test batches of composite materials, subjecting those test coupons to accelerated weathering chambers to simulate decades of UV exposure, and conducting destructive hydraulic load-testing on prototype trusses directly and completely satisfies the rigorous experimental process requirement.
• Eligible QREs: The massive payroll of the materials scientists, structural engineers, CAD draftsmen, and quality assurance technicians physically located at the Eau Claire Midwest Manufacturing plants, along with the immense cost of the raw steel, high-grade lumber, and chemical polymers intentionally destroyed during structural and weathering tests (supplies), are heavily eligible QREs.
• Wisconsin Eligibility and the “Energy Efficient Products” Provision: This specific case study highlights a massive, unique financial advantage hidden within Wisconsin tax law. Wis. Stat. § 71.28(4)(ad)6 offers an exceptional, enhanced 11.5% credit rate (double the standard rate) specifically for research related to “certain energy efficient products,” which statutorily includes lighting systems, building automation, and heavily insulated products explicitly designed to reduce energy demand. If Midwest Manufacturing engages in intensive R&D to develop highly insulated Mastercraft exterior doors with vastly superior R-values, or engineered reflective steel roofing chemically coated to reflect solar radiation and drastically reduce commercial HVAC cooling loads, these specific, targeted projects would legally qualify for the highly lucrative 11.5% enhanced state rate. Careful, granular project accounting would be legally required to cleanly segregate the standard 5.75% general truss engineering research from the elite 11.5% energy-efficient envelope research to satisfy DOR auditors.

Clinical Healthcare and Medical Research — Marshfield Clinic & Mayo Clinic Health System

Historical Development in Eau Claire: Healthcare constitutes the second-largest employment sector in the entire Eau Claire metropolitan area, employing a staggering workforce of over 12,000 highly trained professionals. This massive density is driven almost entirely by the intense, competitive presence of two massive regional medical institutions: the Mayo Clinic Health System and the Marshfield Clinic Health System. The Marshfield Clinic, originally founded in 1916 by an alliance of six physicians in a neighboring central Wisconsin community, aggressively expanded its geographic footprint into Eau Claire during a period of intense medical consolidation in the 1990s. Demonstrating its massive commitment to the city, Marshfield recently constructed a state-of-the-art acute care hospital directly in Eau Claire, situated merely hundreds of yards from its previous strategic partner, the HSHS Sacred Heart Hospital (which, demonstrating the intense volatility of the regional healthcare market, was subsequently deemed insolvent and completely closed by HSHS in 2024).

Crucially, deep clinical research is absolutely foundational to Marshfield Clinic’s organizational charter. By 1959, recognizing that specialized study produced superior patient outcomes, the board formally established the Marshfield Clinic Research Institute. This entity rapidly grew to become the absolute largest private medical research institute in the state of Wisconsin, initially gaining international prominence in 1960 upon receiving its first National Institutes of Health (NIH) grant to successfully discover the biological blood test required to detect farmer’s lung disease, a highly debilitating agricultural condition.

Specific R&D Activities and Technical Uncertainties: The Research Institute conducts extensive, highly complex clinical and translational research within its massive Eau Claire and regional facilities. Daily activities include developing entirely new diagnostic software algorithms utilizing artificial intelligence for early oncology detection, integrating highly complex human genetic sequencing data into proprietary Electronic Medical Records (EMR) systems to allow for personalized pharmacogenomics, and conducting rigorous Phase II and Phase III clinical trials for novel, unproven therapeutics. The profound technical uncertainty lies deeply in human biology: determining whether a specific, newly discovered biological marker can mathematically and reliably predict disease pathology, or calculating exactly how an experimental pharmaceutical compound will interact with human biochemistry across vastly diverse genetic populations.

Comprehensive Federal and State Tax Credit Application:

• Permitted Purpose & Technological in Nature: Developing a new diagnostic biochemical assay or authoring a predictive software algorithm is legally defined as a new technique or software architecture based entirely on the hard sciences of biological sciences, chemistry, and computer science.
• Elimination of Uncertainty & Process of Experimentation: The execution of double-blind, placebo-controlled clinical trials, and the rigorous statistical modeling of massive genomic data sets to find hidden correlations, represents the absolute zenith of the scientific method and completely satisfies the experimentation requirement.
• Tax Law Distinctions (Funded Research vs. Internal QREs): Healthcare organizations face the most rigorous IRS scrutiny of any sector to accurately differentiate qualified R&D from standard, everyday patient care. Routine medical diagnoses, standard surgical procedures, and standard patient data collection absolutely do not qualify for any tax credit. However, the specific W-2 wages of laboratory geneticists, bioinformatics software developers, and the Principal Investigators specifically designing the architectural protocols of the trials do legally qualify.
• The Funded Research Exclusion: A massive legal hurdle for medical clinics is that a vast majority of medical research is funded directly by federal grants (e.g., the NIH) or by multinational pharmaceutical companies sponsoring the clinical trials. Under the strict language of IRC Section 41(d)(4)(H), research that is funded by any grant, contract, or another person is explicitly excluded from the R&D credit because the taxpayer does not bear the ultimate financial risk of the research. Therefore, Marshfield Clinic or Mayo Clinic can only legally claim the R&D tax credit for their internally funded initiatives—projects where they utilize their own operational capital, bear the total financial risk of failure, and legally retain substantial rights to the resulting clinical intellectual property. For these specific, internally funded projects, the wages of the Eau Claire-based researchers, and the supplies used in their labs, strictly qualify for the standard 5.75% Wisconsin state credit and the federal credit.

Strategic Synthesis and Audit Defense Considerations for Eau Claire Businesses

For modern enterprises operating within the Eau Claire ecosystem, maximizing the immense financial benefit of the R&D tax credit requires highly sophisticated strategic planning to successfully navigate the complex interplay of federal conformity and aggressive state-level audits.

Navigating the Wisconsin 11.5% Enhanced Rates and QRE Segregation

Wisconsin’s highly unique statutory framework offers a massive 100% premium (11.5% versus the standard 5.75%) on the base credit rate explicitly for activities related to “internal combustion engines” and “energy efficient products”. Wis. Stat. § 71.28(4)(ab)2 defines internal combustion engine research broadly, explicitly including advanced “substitute products like fuel cells and electric drives”. Furthermore, energy-efficient products statutorily include advanced building automation systems, highly efficient lighting architectures, and automotive hybrid vehicle batteries.

Businesses operating in Eau Claire’s heavy manufacturing or technology sectors must carefully and routinely audit their internal R&D portfolios for any functional overlap with these lucrative definitions. For example, if an Eau Claire-based automotive supplier engineers lighter structural chassis components specifically to increase the battery range of a hybrid electric vehicle, or if a software firm like Jamf were to develop specific proprietary code dedicated to managing building automation and commercial HVAC efficiency controls via iOS devices, these highly specific projects must be rigorously isolated in the corporate accounting ledgers. By meticulously segregating these specific QREs and filing separate, dedicated Schedule Rs for each tier, the company can legally double its state tax offset for those particular engineering hours and prototype supplies.

Contemporaneous Documentation, Nexus Tracking, and Audit Defense

Both the Wisconsin Department of Revenue and the federal Internal Revenue Service operate under a strict legal presumption of correctness, meaning the immense burden of proof rests entirely and solely on the taxpayer to substantiate every dollar of their claims. As firmly established by the Moore Tax Court case at the federal level, broad, retroactive estimates of executive time spent “brainstorming” or managing general operations will be aggressively struck down upon audit. Eau Claire businesses must implement robust, real-time project tracking software systems that mathematically tie specific employee W-2 hours to specific, identified technical uncertainties on a project-by-project basis.

At the state level, the Wisconsin Tax Appeals Commission rigorously enforces strict geographic nexus boundaries. If a massive multinational company claims millions in Eau Claire-based wages to generate the Wisconsin credit, it cannot simultaneously argue in a separate tax filing that the intellectual property or the massive income generated by that specific research should be entirely apportioned to an out-of-state holding company located in a zero-tax jurisdiction simply to avoid Wisconsin franchise taxes. The WTAC views this as an aggressive, illegal contradiction and will scrutinize the true economic substance of such corporate structures, potentially unwinding the transactions and imposing massive financial penalties for frivolous filings.

Additionally, the fundamental calculation mechanics require flawlessly precise historical accounting data. The baseline calculation explicitly requires mathematically determining the average QREs for the three exact preceding taxable years. If an Eau Claire tech startup had absolutely zero QREs in the prior three years, it legally skips the complex averaging calculation and applies a flat 2.875% rate (or 5.75% for the enhanced categories) directly to the current year’s QREs. Flawless, contemporaneous documentation of both current and historical expenses is paramount and non-negotiable to surviving a DOR or IRS audit.

Final Thoughts

The complex intersection of United States federal R&D tax policy and Wisconsin’s highly specific, aggressive state-level incentives provides a massive, powerful economic catalyst for the rapidly growing city of Eau Claire. From its rugged origins as a frontier logging town and a subsequent mid-century hub of heavy tire manufacturing, Eau Claire has successfully utilized its natural geographic advantages, its elite higher educational institutions, and its purposeful, targeted industrial park developments to cultivate a highly resilient, multi-sector, advanced economy.

As explicitly demonstrated by the sophisticated daily operations of Silver Spring Foods, Phillips-Medisize, Jamf, Menards, and the massive regional healthcare clinics, the severe technical challenges faced across the realms of modern agriculture, software engineering, advanced manufacturing, and clinical medicine perfectly align with the rigorous, scientific four-part test mandated by IRC Section 41. By meticulously and contemporaneously documenting their internal processes of experimentation, and by skillfully navigating the extreme complexities of funded research exclusions and enhanced state-level rates, these enterprises can legally offset tens of millions of dollars in federal and state tax liabilities. With the Wisconsin legislature’s recent, sweeping statutory expansion allowing up to 25% of the massive research credit to be fully refundable as direct cash, the state has practically ensured that even pre-revenue technology startups and heavily reinvesting, capital-intensive manufacturers in Eau Claire have immediate, reliable access to the crucial capital liquidity required to continue aggressively pushing the absolute boundaries of global technological innovation.

The information in this study is current as of the date of publication, and is provided for information purposes only. Although we do our absolute best in our attempts to avoid errors, we cannot guarantee that errors are not present in this study. Please contact a Swanson Reed member of staff, or seek independent legal advice to further understand how this information applies to your circumstances.