Puerto Rico ranks #51 among US states for total patents filed in 2025, with 134 patents from 70 inventors across 26 cities. On a per-capita basis that is 0.0 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Puerto Rico 2025
| Rank ↑ | City ↕ | Patents ↕ | Inventors ↕ |
|---|---|---|---|
| #1 | San Juan, PR | 60 | 28 |
| #2 | Rincón, PR | 20 | 3 |
| #3 | Dorado, PR | 11 | 4 |
| #4 | Aguadilla, PR | 9 | 4 |
| #5 | Bayamón, PR | 5 | 2 |
| #6 | Guaynabo, PR | 3 | 3 |
| #7 | Mayagüez, PR | 3 | 3 |
| #8 | Trujillo Alto, PR | 3 | 3 |
| #9 | Carolina, PR | 2 | 2 |
| #10 | Humacao, PR | 2 | 2 |
| #11 | Peñuelas, PR | 1 | 1 |
| #12 | Isabela, PR | 1 | 1 |
| #13 | Wildentenweg, PR | 1 | 1 |
| #14 | Río Grande, PR | 1 | 1 |
| #15 | Hatillo, PR | 1 | 1 |
| #16 | Gurabo, PR | 1 | 1 |
| #17 | Aguada, PR | 1 | 1 |
| #18 | Yauco, PR | 1 | 1 |
| #19 | Cidra, PR | 1 | 1 |
| #20 | Arecibo, PR | 1 | 1 |
| #21 | Cayey, PR | 1 | 1 |
| #22 | Añasco, PR | 1 | 1 |
| #23 | Canóvanas, PR | 1 | 1 |
| #24 | Calzada, PR | 1 | 1 |
| #25 | Caguas, PR | 1 | 1 |