Kentucky ranks #32 among US states for total patents filed in 2021, with 1,871 patents from 1,120 inventors across 134 cities. On a per-capita basis that is 0.4 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Kentucky 2021
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Louisville, KY | 626 | 367 |
| #2 | Lexington, KY | 356 | 240 |
| #3 | Georgetown, KY | 60 | 34 |
| #4 | Crestwood, KY | 56 | 24 |
| #5 | Bowling Green, KY | 53 | 28 |
| #6 | Florence, KY | 41 | 23 |
| #7 | Prospect, KY | 37 | 19 |
| #8 | Versailles, KY | 32 | 13 |
| #9 | Independence, KY | 29 | 13 |
| #10 | Goshen, KY | 23 | 7 |
| #11 | Nicholasville, KY | 21 | 12 |
| #12 | La Grange, KY | 19 | 6 |
| #13 | Erlanger, KY | 16 | 14 |
| #14 | Elizabethtown, KY | 16 | 11 |
| #15 | Fort Thomas, KY | 16 | 8 |
| #16 | Park Lake, KY | 15 | 6 |
| #17 | Owensboro, KY | 15 | 12 |
| #18 | Newport, KY | 15 | 8 |
| #19 | Winchester, KY | 15 | 8 |
| #20 | Covington, KY | 14 | 13 |
| #21 | Bellevue, KY | 13 | 7 |
| #22 | Union, KY | 13 | 5 |
| #23 | Paris, KY | 13 | 8 |
| #24 | Whitesville, KY | 11 | 2 |
| #25 | Frankfort, KY | 11 | 10 |