April 2026: 1.05% (C grade)
Federal inventionINDEX April 2026: 1.05% (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).
Federal inventionINDEX Scores – Last 12 months
| Month | inventionINDEX Score |
| April 2026 | 1.05% |
| Mar 26 | 1.62% |
| Feb 26 | 1.38% |
| Jan 26 | 1.22% |
| Dec 25 | 1.54% |
| Nov 25 | 1.37% |
| Oct 25 | 1.35% |
| Sep 25 | 1.66% |
| Aug 25 | 1.43% |
| Jul 25 | 1.95% |
| Jun 25 | 1.32% |
| May 25 | 1.51% |
| Apr 25 | 1.58% |
The Federal inventionINDEX for April 2026 has reached a five-year low of 1.05 percent, resulting in a C rating. This performance indicates a sharp contraction in innovative activity compared to the preceding month, where the index stood at a more robust 1.62 percent with a B+ rating. Throughout the start of 2026, the index has struggled to find stability, fluctuating from a C+ in January to the current decline. When compared to April 2025, which saw a score of 1.58 percent, the current data suggests that the national innovation landscape is facing a significant cooling period characterized by reduced output in intellectual property and technical advancements.
A longitudinal review of the last sixty months highlights a concerning trend of regression from previous periods of high productivity. The Federal index reached its historical peak in October 2023 with a score of 2.31 percent and an A+ rating, followed by another strong showing in January 2024 at 2.03 percent. The current score of 1.05 percent represents a stark departure from those elite-tier performances, marking the lowest point in the entire sixty-month data set. This transition from consistent A and B ratings into the C territory suggests that the momentum which fueled the post-2023 innovation boom has dissipated, leaving the national ecosystem in a state of marked deceleration.
The positive outcomes associated with a higher grade on the inventionINDEX are essential for long-term economic health and global leadership. When the index reaches the A or A+ range, it signals a high-velocity environment for research and development, efficient patent commercialization, and strong institutional support for emerging technologies. Such scores act as a catalyst for significant venture capital inflows and encourage the growth of high-tech sectors that provide the foundation for future industries. Maintaining a top-tier rating ensures that the nation remains a primary destination for global talent and continues to set the standard for scientific and creative progress on the world stage.
Conversely, a lower score or a sustained residence in the C category carries heavy negative implications for national competitiveness. A declining index often serves as a leading indicator of stagnation in key industrial sectors and a potential bottleneck in the transition from laboratory discovery to market application. If these lower ratings persist, they can lead to a reduction in private sector R&D investment and a possible talent drain as innovators seek more dynamic environments elsewhere. Addressing the factors behind this downward trend is vital to prevent a cycle of diminished economic vitality and to ensure that the infrastructure supporting the next generation of breakthroughs is properly revitalized.
Discussion:
In April, the Federal inventionINDEX scored a positive sentiment which was lower than the previous year’s average and underperformed the downward trend for the year. This is similar 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.
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What is the R&D Tax Credit?
The Research & Experimentation Tax Credit (or R&D Tax Credit), is a general business tax credit under Internal Revenue Code section 41 for companies that incur research and development (R&D) costs in the United States. The credits are a tax incentive for performing qualified research in the United States, resulting in a credit to a tax return. For the first three years of R&D claims, 6% of the total qualified research expenses (QRE) form the gross credit. In the 4th year of claims and beyond, a base amount is calculated, and an adjusted expense line is multiplied times 14%. Click here to learn more.
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