Maryland ranks #22 among US states for total patents filed in 2018, with 5,397 patents from 3,464 inventors across 249 cities. On a per-capita basis that is 0.9 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Maryland 2018
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Baltimore, MD | 785 | 466 |
| #2 | Rockville, MD | 407 | 230 |
| #3 | Gaithersburg, MD | 339 | 220 |
| #4 | Bethesda, MD | 311 | 210 |
| #5 | Potomac, MD | 238 | 136 |
| #6 | Silver Spring, MD | 238 | 158 |
| #7 | Germantown, MD | 205 | 116 |
| #8 | Ellicott City, MD | 185 | 132 |
| #9 | Columbia, MD | 157 | 112 |
| #10 | Frederick, MD | 152 | 88 |
| #11 | Bel Air, MD | 94 | 53 |
| #12 | North Potomac, MD | 77 | 52 |
| #13 | Annapolis, MD | 75 | 58 |
| #14 | Timonium, MD | 67 | 47 |
| #15 | Laurel, MD | 65 | 42 |
| #16 | Severna Park, MD | 51 | 29 |
| #17 | College Park, MD | 50 | 32 |
| #18 | Clarksville, MD | 47 | 35 |
| #19 | Towson, MD | 47 | 27 |
| #20 | Kensington, MD | 44 | 32 |
| #21 | Boyds, MD | 43 | 27 |
| #22 | Elkton, MD | 42 | 32 |
| #23 | Clarksburg, MD | 41 | 26 |
| #24 | Cockeysville, MD | 40 | 32 |
| #25 | Olney, MD | 39 | 25 |