Massachusetts inventionINDEX September 2026: 1.12% (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 Massachusetts inventionINDEX Scores

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

A long-term evaluation of the Massachusetts inventionINDEX reveals a pronounced shift in regional innovation productivity over the past 60 months. The metric for September 2026 stands at 1.12% with a C+ rating, matching August 2026 and reflecting a modest stabilization after reaching a multi-year low of 0.97% in April 2026. When juxtaposed against historical benchmarks, current performance trails significantly behind the peak levels recorded in late 2022 and late 2023, such as the high score of 1.92% in October 2023. While early periods in the series consistently yielded top-tier A and A+ marks driven by intense commercialization activity, the overall narrative over the past two years shows a distinct transition into lower B and C ratings.

Analyzing year-over-year transitions provides clearer context on this trajectory, demonstrating a structural moderation in index performance. During late 2023 and early 2024, scores routinely breached 1.40%, highlighted by January 2024 at 1.44% and December 2024 at 1.45%. By mid-2025, the index settled primarily within the 1.10% to 1.25% range, showing reduced output compared to earlier historic expansions. In 2026, the data indicates sustained pressure on innovation output, with five out of nine reported months failing to cross the 1.12% threshold, marking a cooling trend relative to the vibrant figures recorded between 2021 and 2023.

Achieving higher inventionINDEX scores, particularly in the A and A+ ranges, produces powerful economic advantages for the regional ecosystem. Higher scores signal a highly efficient translation of research and intellectual property into commercial enterprise, which directly boosts venture capital allocation and institutional investment. Elevated ratings enhance regional prestige, attracting world-class research talent, corporate partners, and technology incubators seeking high-yield innovation environments. Strong indexes also correspond to accelerated job creation in high-wage sectors, expanded tax revenues, and increased global competitiveness across key industries such as biotechnology, artificial intelligence, and clean energy.

Conversely, prolonged periods of lower inventionINDEX ratings carry serious negative implications for long-term economic development. Scores dropping into the C tier reflect reduced patent application density, slower technology transfer rates, or tightening capital availability for early-stage ventures. Persistent low ratings can discourage institutional investors, causing capital flight toward competing tech corridors that demonstrate higher efficiency. Additionally, diminished index output risks weakening startup survival rates, stifling corporate research expansion, and creating an environment where top-tier engineering and scientific talent migrates to regions offering broader commercial support.

Discussion:

In September, the Massachusetts inventionINDEX scored a positive sentiment which was higher than the previous year’s average and 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 Massachusetts office provides R&D tax credit consulting and advisory services to Boston, Worcester, Springfield, Lowell, Cambridge, New Bedford, Brockton, Quincy, Lynn and Fall River

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.

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