Maryland ranks #21 among US states for total patents filed in 2020, with 7,024 patents from 4,116 inventors across 240 cities. On a per-capita basis that is 1.1 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Maryland 2020
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Baltimore, MD | 1,209 | 655 |
| #2 | Rockville, MD | 498 | 272 |
| #3 | Gaithersburg, MD | 361 | 222 |
| #4 | Bethesda, MD | 337 | 224 |
| #5 | Silver Spring, MD | 272 | 166 |
| #6 | Columbia, MD | 265 | 143 |
| #7 | Potomac, MD | 263 | 146 |
| #8 | Ellicott City, MD | 263 | 165 |
| #9 | Germantown, MD | 255 | 132 |
| #10 | Frederick, MD | 205 | 93 |
| #11 | Bel Air, MD | 108 | 62 |
| #12 | Timonium, MD | 100 | 63 |
| #13 | Annapolis, MD | 94 | 69 |
| #14 | North Potomac, MD | 92 | 52 |
| #15 | Chevy Chase Section Five, MD | 89 | 17 |
| #16 | College Park, MD | 77 | 54 |
| #17 | Laurel, MD | 76 | 52 |
| #18 | Severna Park, MD | 70 | 32 |
| #19 | Cockeysville, MD | 61 | 43 |
| #20 | Towson, MD | 57 | 41 |
| #21 | Elkton, MD | 55 | 33 |
| #22 | Clarksburg, MD | 53 | 27 |
| #23 | Clarksville, MD | 52 | 37 |
| #24 | Greenbelt, MD | 52 | 40 |
| #25 | Bowie, MD | 51 | 32 |