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).

Maine inventionINDEX Scores – Last 12 months

The March 2026 Maine inventionINDEX score of 1.05 percent, resulting in a C rating, indicates a period of relative stability following a volatile transition from the previous year. While this figure represents a slight retreat from the 1.10 percent recorded in February 2026, it remains comfortably above the performance floor established during the fourth quarter of 2025. This current rating suggests that the state’s innovation climate is currently in a phase of steady, albeit modest, output as it navigates the complexities of the early annual cycle. When viewed alongside the January 2026 score of 0.99 percent, the first quarter shows a clear upward trajectory compared to the concluding months of the previous year.

Historical context provides a broader perspective on the significance of the current 1.05 percent score. In a year-over-year comparison for the month of March, the 2026 data shows a marked improvement over March 2025, which saw a lower 0.82 percent. It also surpasses the March readings for 2023, 2022, and 2021, which were 0.71 percent, 0.88 percent, and 0.99 percent respectively. The only outlier remains the exceptional performance of March 2024, when the index surged to 1.78 percent with an A+ rating. This long-term view suggests that Maine is currently operating at a level that exceeds its typical historical baseline for this season, effectively moving away from the recurring F ratings that characterized much of the 2021 to 2023 period.

Achieving a higher grade on the inventionINDEX, such as the B or A ratings seen in mid-2025 and early 2024, carries profound positive implications for the regional economy. A higher score typically correlates with increased patent applications, a surge in research and development funding, and a more vibrant landscape for technological startups. These conditions foster an environment that attracts high-tier venture capital and retains top-tier intellectual talent within the state. As the score climbs, it reinforces Maine’s reputation as a hub for creativity and industrial modernization, ultimately driving long-term economic prosperity and high-value job growth.

Conversely, a lower index score or a descent into the D and F ranges signals potential systemic friction within the innovation pipeline. Such ratings often reflect a tightening of available capital, a slowdown in academic-to-industrial knowledge transfer, or a lack of institutional support for emerging inventors. The negative implications of a sustained low score include industrial stagnation and the risk of a brain drain, where the state’s most creative minds relocate to more dynamic innovation ecosystems. By monitoring these shifts closely, stakeholders can identify when the index enters these critical zones and implement targeted policies to prevent the stagnation observed during the challenging periods of late 2022 and early 2023.

Discussion:

In March, the Maine inventionINDEX scored a positive sentiment which was lower than the previous year’s average but outperformed 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.

Swanson Reed’s Maine office provides R&D tax credit consulting and advisory services to Portland, Lewiston, Bangor, South Portland and Auburn.

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.