Maryland ranks #22 among US states for total patents filed in 2019, with 6,805 patents from 4,079 inventors across 254 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 2019
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Baltimore, MD | 1,094 | 607 |
| #2 | Rockville, MD | 508 | 273 |
| #3 | Bethesda, MD | 383 | 268 |
| #4 | Gaithersburg, MD | 356 | 216 |
| #5 | Germantown, MD | 290 | 144 |
| #6 | Silver Spring, MD | 264 | 171 |
| #7 | Ellicott City, MD | 256 | 161 |
| #8 | Potomac, MD | 252 | 139 |
| #9 | Frederick, MD | 214 | 119 |
| #10 | Columbia, MD | 204 | 136 |
| #11 | Timonium, MD | 115 | 73 |
| #12 | Bel Air, MD | 98 | 61 |
| #13 | Annapolis, MD | 86 | 60 |
| #14 | Severna Park, MD | 78 | 34 |
| #15 | Laurel, MD | 78 | 56 |
| #16 | College Park, MD | 77 | 45 |
| #17 | North Potomac, MD | 71 | 46 |
| #18 | Cockeysville, MD | 62 | 39 |
| #19 | Chevy Chase Section Five, MD | 55 | 19 |
| #20 | Towson, MD | 53 | 37 |
| #21 | Clarksville, MD | 49 | 30 |
| #22 | Boyds, MD | 48 | 27 |
| #23 | Greenbelt, MD | 46 | 27 |
| #24 | Kensington, MD | 46 | 33 |
| #25 | Clarksburg, MD | 46 | 30 |