Massachusetts ranks #4 among US states for total patents filed all time, with 561,367 patents from 88,656 inventors across 562 cities. On a per-capita basis that is 79.8 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Massachusetts All Time
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Cambridge, MA | 52,597 | 8,183 |
| #2 | Boston, MA | 34,268 | 5,993 |
| #3 | Newton, MA | 22,716 | 2,747 |
| #4 | Lexington, MA | 22,154 | 2,299 |
| #5 | Brookline, MA | 20,738 | 3,196 |
| #6 | Arlington, MA | 15,685 | 2,056 |
| #7 | Somerville, MA | 14,682 | 2,735 |
| #8 | Waltham, MA | 10,844 | 1,656 |
| #9 | Acton, MA | 10,469 | 1,334 |
| #10 | Andover, MA | 9,640 | 1,295 |
| #11 | Belmont, MA | 9,187 | 1,163 |
| #12 | Watertown, MA | 8,321 | 1,634 |
| #13 | Framingham, MA | 7,675 | 1,271 |
| #14 | Westford, MA | 7,069 | 1,013 |
| #15 | Concord, MA | 6,587 | 720 |
| #16 | Sudbury, MA | 6,548 | 857 |
| #17 | Wellesley, MA | 6,521 | 837 |
| #18 | Winchester, MA | 6,125 | 828 |
| #19 | Shrewsbury, MA | 6,082 | 938 |
| #20 | Needham, MA | 5,830 | 796 |
| #21 | Marlborough, MA | 5,527 | 796 |
| #22 | Bedford, MA | 5,512 | 774 |
| #23 | Natick, MA | 5,287 | 819 |
| #24 | Medford, MA | 4,934 | 941 |
| #25 | Sharon, MA | 4,850 | 848 |