Maryland ranks #22 among US states for total patents filed in 2025, with 5,075 patents from 3,049 inventors across 225 cities. On a per-capita basis that is 0.8 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Maryland 2025
| Rank ↑ | City ↕ | Patents ↕ | Inventors ↕ |
|---|---|---|---|
| #1 | Baltimore, MD | 852 | 524 |
| #2 | Rockville, MD | 339 | 183 |
| #3 | Gaithersburg, MD | 265 | 174 |
| #4 | Bethesda, MD | 246 | 161 |
| #5 | Germantown, MD | 229 | 126 |
| #6 | Columbia, MD | 192 | 112 |
| #7 | Silver Spring, MD | 177 | 111 |
| #8 | Ellicott City, MD | 176 | 108 |
| #9 | Potomac, MD | 167 | 88 |
| #10 | Frederick, MD | 145 | 71 |
| #11 | Chevy Chase Section Five, MD | 105 | 32 |
| #12 | College Park, MD | 84 | 48 |
| #13 | Severna Park, MD | 75 | 24 |
| #14 | Timonium, MD | 69 | 46 |
| #15 | Towson, MD | 62 | 39 |
| #16 | Annapolis, MD | 61 | 42 |
| #17 | North Bethesda, MD | 56 | 15 |
| #18 | North Potomac, MD | 51 | 27 |
| #19 | Bel Air, MD | 44 | 36 |
| #20 | Greenbelt, MD | 44 | 34 |
| #21 | Clarksburg, MD | 42 | 31 |
| #22 | Clarksville, MD | 41 | 22 |
| #23 | Hyattsville, MD | 41 | 21 |
| #24 | Laurel, MD | 38 | 30 |
| #25 | Catonsville, MD | 37 | 25 |