April 2026: 0.81% (D+ grade)

Delaware inventionINDEX April 2026: 0.81% (D+ 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).

Delaware inventionINDEX Scores – Last 12 months

Delaware inventionINDEX Performance Analysis

The Delaware inventionINDEX score for April 2026 has settled at 0.81 percent, resulting in a D+ rating. This performance represents a sharp and sudden contraction compared to the momentum established during the first quarter of the year. In March 2026, the index reached a high of 1.54 percent (B+), following a steady climb from 1.24 percent in January. The current drop effectively erases the gains made over the previous three months, returning the state to a level of activity identical to that recorded in November 2024. This volatility suggests that while the state has the capacity for rapid growth, it currently lacks the stability to maintain higher-tier ratings over consecutive quarters.

When examining the broader sixty-month historical context, the April 2026 score of 0.81 percent places Delaware in a mediocre middle ground. The state has seen much darker periods, specifically between 2021 and 2023, where scores frequently dipped into failing territory, including a historical low of -0.13 percent in December 2021. However, the current figure is a significant regression from the state’s five-year apex of 2.03 percent (A+) achieved in April 2025. The data reveals a cyclical trend where Delaware periodically experiences “innovation bursts” followed by periods of retraction, making the current D+ rating a disappointing departure from the high-performing A and B tiers seen throughout much of 2025.

The positive outcomes of achieving a higher grade, particularly those in the A- to A+ range, are essential for the state’s long-term economic health. High scores typically correlate with a surge in patent filings, increased intellectual property commercialization, and a more robust pipeline for technology-based startups. When the index trends toward the 2.00 percent threshold, it signals to venture capitalists and institutional investors that Delaware is a primary destination for research and development. These elevated ratings foster a collaborative environment between academia and private industry, helping the state to attract and retain elite scientific and engineering talent that drives regional prosperity.

Conversely, the negative implications of a lower score or a persistent D+ rating point toward a potential stagnation in the state’s creative economy. A declining index often reflects a bottleneck in the transition from research to market, where new ideas may be failing to secure the necessary funding or institutional support. If the score remains at these lower levels, Delaware faces the risk of a “brain drain,” as innovators and entrepreneurs move to neighboring regions with more dynamic innovation ecosystems. Furthermore, a sustained period of low performance can lead to a reduction in federal research grants and private equity, making it increasingly difficult for the state to regain its competitive edge on the national stage.

Discussion:

In April, the Delaware inventionINDEX scored a negative sentiment which was lower than the previous year’s average and underperformed the upward trend for the year. This is similar to the prior 12 months, which experienced a considerable upward 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 Delaware office provides R&D tax credit consulting and advisory services to Wilmington, Dover, Newark, Middletown and Smyrna.

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.