Maine ranks #43 among US states for total patents filed in 2025, with 553 patents from 321 inventors across 99 cities. On a per-capita basis that is 0.4 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Maine 2025
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Fryeburg, ME | 70 | 26 |
| #2 | Portland, ME | 57 | 38 |
| #3 | Scarborough, ME | 28 | 19 |
| #4 | Bar Harbor, ME | 21 | 14 |
| #5 | Saco, ME | 16 | 8 |
| #6 | Yarmouth, ME | 16 | 8 |
| #7 | Gorham, ME | 15 | 13 |
| #8 | Biddeford, ME | 13 | 6 |
| #9 | Kennebunk, ME | 12 | 9 |
| #10 | Windham Center, ME | 11 | 7 |
| #11 | Wells, ME | 10 | 4 |
| #12 | Eliot, ME | 10 | 6 |
| #13 | Kennebunkport, ME | 10 | 1 |
| #14 | Bath, ME | 10 | 4 |
| #15 | Lyman, ME | 9 | 3 |
| #16 | Rockport, ME | 9 | 3 |
| #17 | Cape Elizabeth, ME | 8 | 6 |
| #18 | York, ME | 8 | 5 |
| #19 | Brunswick, ME | 8 | 6 |
| #20 | South Portland, ME | 8 | 5 |
| #21 | Falmouth, ME | 8 | 6 |
| #22 | Camden, ME | 7 | 2 |
| #23 | Oxford, ME | 7 | 1 |
| #24 | Orono, ME | 6 | 6 |
| #25 | Gray, ME | 6 | 4 |