Maine ranks #42 among US states for total patents filed all time, with 19,194 patents from 4,281 inventors across 343 cities. On a per-capita basis that is 14.1 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Maine All Time
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Fryeburg, ME | 3,412 | 504 |
| #2 | Portland, ME | 1,239 | 276 |
| #3 | Kennebunk, ME | 566 | 89 |
| #4 | Scarborough, ME | 497 | 117 |
| #5 | York, ME | 476 | 86 |
| #6 | Falmouth, ME | 474 | 83 |
| #7 | Gorham, ME | 379 | 90 |
| #8 | Cape Elizabeth, ME | 375 | 98 |
| #9 | Saco, ME | 346 | 81 |
| #10 | South Portland, ME | 330 | 82 |
| #11 | Yarmouth, ME | 326 | 85 |
| #12 | Rockport, ME | 301 | 23 |
| #13 | Wells, ME | 283 | 34 |
| #14 | Orono, ME | 269 | 77 |
| #15 | Sanford, ME | 260 | 72 |
| #16 | Eliot, ME | 254 | 45 |
| #17 | Lisbon, ME | 251 | 24 |
| #18 | Biddeford, ME | 248 | 60 |
| #19 | Kennebunkport, ME | 234 | 38 |
| #20 | Gray, ME | 230 | 62 |
| #21 | Frye Island, ME | 211 | 59 |
| #22 | Auburn, ME | 199 | 60 |
| #23 | Freeport, ME | 194 | 37 |
| #24 | Brunswick, ME | 190 | 67 |
| #25 | Sullivan, ME | 187 | 1 |