Kentucky inventionINDEX September 2026: 0.97% (C- grade)

The inventionINDEX measures innovation output by comparing GDP growth with patent production growth.

Anything over C grade is positive sentiment; anything under C is negative outlook/sentiment. Using that sentiment, it is possible to observe trends over time, and also compare states/countries. In doing so, we can predict which states have the best chance to recover economically from the pandemic (or any other economic incident that may occur).

Historical Kentucky inventionINDEX Scores

The Kentucky inventionINDEX score for the past 12 months is shown in the table below.

The September 2026 Kentucky inventionINDEX score of 0.97% (rating C-) reflects a meaningful rebound following a challenging period in early 2026, though it remains closely aligned with the 60-month historical average of approximately 0.96%. Looking across the five-year dataset, the state’s innovation climate experienced significant volatility, reaching an all-time high of 1.14% (rating B) in August 2023 before dipping to an all-time low of 0.80% (rating F) in April 2026. The recent sequential gains from May 2026 through September 2026 demonstrate a steady trajectory of short-term recovery. However, when evaluated against broader multi-year baselines, the current performance underscores an index attempting to stabilize after several months in the lower rating bands.

A multi-year trend analysis reveals a distinct multi-phase shift in Kentucky’s technological and commercial momentum. Between late 2021 and late 2023, the index consistently maintained scores hovering around 1.00% or higher, frequently generating ratings in the C+ to B range. Starting in mid-2024, performance began a sustained decline, culminating in extended stretches of D+, D, and D- ratings throughout 2025 and early 2026. While the 2026 late-summer recovery back to a C- rating demonstrates growing momentum, the annual averages reflect a structural deceleration from 0.99% in 2023 down to roughly 0.91% across 2026. Re-establishing the higher score baselines observed during the 2022 to 2023 peak remains critical for long-term competitiveness.

Achieving higher inventionINDEX scores and upgraded ratings brings substantial economic and strategic benefits to the region. A higher score signals robust research activity, efficient intellectual property commercialization, and an appealing ecosystem for venture capital and institutional investment. When ratings enter the C+ to B tier, regional startups gain easier access to growth capital, universities attract top-tier research talent, and established corporations are encouraged to expand local research and development facilities. Furthermore, elevated innovation metrics enhance job creation, elevate workforce skill requirements, and foster a self-reinforcing culture of entrepreneurship that strengthens overall regional economic durability.

Conversely, prolonged periods of lower scores and depressed ratings carry notable risk factors for the state’s economic development pipeline. Scores falling into the D or F bands, such as the 0.80% recorded in April 2026, indicate potential bottlenecks in patent filings, reduced early-stage venture funding, or institutional friction in bringing new technologies to market. Persistent low ratings can deter external investors, cause high-growth technology enterprises to relocate to more vibrant innovation hubs, and shrink local R&D expenditure. Maintaining focused strategic initiatives to prevent reversion into the lower tiers is essential to safeguarding Kentucky’s long-term position as an emerging technology center.

Discussion:

In September, the Kentucky inventionINDEX scored a negative sentiment which was higher than the previous year’s average and outperformed the upward trend for the year. This is in contrast to the prior 12 months, which experienced a slight downward trend.

As the economy continues to stabilize in the post-pandemic era, it remains uncertain whether any backlog of applications still exists or if the department has returned to normal processing timelines. The inventionINDEX could also be affected by lingering consequences from the pandemic, such as company closures, reduced workforces, and limited R&D capabilities, which may still be impacting current operations.

Learn More:
Are you thinking of patenting any of your bright ideas? Did you know your research work could be eligible for the R&D Tax Credit and you can receive up to 14% back on your expenses? To find out more, please check out our free online eligibility test.

Swanson Reed’s Kentucky office provides R&D tax credit consulting and advisory services to Louisville, Lexington, Bowling Green, Owensboro, Covington, Richmond, Georgetown, Florence, Hopkinsville and Elizabethtown

Feel free to book a quick teleconference with one of R&D tax specialists if you would like to learn more about R&D tax credit opportunities.

Who We Are:

Swanson Reed is the largest Specialist R&D tax credit advisory firm in the United States. With offices nationwide, we are one of the only firms globally to exclusively provide R&D tax credit consulting services to our clients. We have been exclusively providing R&D tax credit claim preparation and audit compliance solutions for over 30 years.

Swanson Reed hosts daily free webinars and provides free IRS CE and CPE credits for CPAs. For more information please visit us at www.swansonreed.com/free-webinars or contact your usual Swanson Reed representative.