Delaware ranks #37 among US states for total patents filed in 2022, with 1,013 patents from 608 inventors across 33 cities. On a per-capita basis that is 1.0 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Delaware 2022
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Wilmington, DE | 445 | 249 |
| #2 | Newark, DE | 122 | 97 |
| #3 | Nonatum Mills, DE | 111 | 52 |
| #4 | Hockessin, DE | 78 | 49 |
| #5 | Middletown, DE | 44 | 26 |
| #6 | Bear, DE | 42 | 34 |
| #7 | Claymont, DE | 40 | 12 |
| #8 | Dover, DE | 40 | 24 |
| #9 | New Castle, DE | 17 | 14 |
| #10 | Lewes, DE | 16 | 11 |
| #11 | Georgetown, DE | 13 | 1 |
| #12 | Smyrna, DE | 9 | 6 |
| #13 | Milford, DE | 5 | 5 |
| #14 | Seaford, DE | 3 | 3 |
| #15 | Newport, DE | 3 | 2 |
| #16 | Townsend, DE | 3 | 3 |
| #17 | Centreville, DE | 2 | 1 |
| #18 | Bethany Beach, DE | 2 | 2 |
| #19 | Milton, DE | 2 | 1 |
| #20 | Harrington, DE | 2 | 2 |
| #21 | Clayton, DE | 2 | 2 |
| #22 | Brantly Highway, DE | 1 | 1 |
| #23 | Knowles Crossroads, DE | 1 | 1 |
| #24 | Marydel, DE | 1 | 1 |
| #25 | Montchanin, DE | 1 | 1 |