Kentucky ranks #32 among US states for total patents filed in 2019, with 1,961 patents from 1,149 inventors across 143 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 2019
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Louisville, KY | 537 | 314 |
| #2 | Lexington, KY | 402 | 239 |
| #3 | Georgetown, KY | 78 | 48 |
| #4 | Crestwood, KY | 50 | 22 |
| #5 | Bowling Green, KY | 46 | 26 |
| #6 | Florence, KY | 45 | 26 |
| #7 | Bellevue, KY | 38 | 3 |
| #8 | Prospect, KY | 37 | 14 |
| #9 | Nicholasville, KY | 29 | 18 |
| #10 | Independence, KY | 25 | 13 |
| #11 | Burlington, KY | 24 | 9 |
| #12 | La Grange, KY | 24 | 9 |
| #13 | Winchester, KY | 23 | 14 |
| #14 | Covington, KY | 21 | 15 |
| #15 | Walton, KY | 21 | 12 |
| #16 | Mount Washington, KY | 20 | 5 |
| #17 | Newport, KY | 20 | 8 |
| #18 | Morganfield, KY | 17 | 12 |
| #19 | Union, KY | 17 | 5 |
| #20 | Owensboro, KY | 15 | 13 |
| #21 | Richmond, KY | 14 | 7 |
| #22 | Fort Thomas, KY | 13 | 10 |
| #23 | Paducah, KY | 13 | 10 |
| #24 | Alexandria, KY | 11 | 9 |
| #25 | Shelbyville, KY | 11 | 8 |