Puerto Rico ranks #51 among US states for total patents filed in 2020, with 184 patents from 104 inventors across 29 cities. On a per-capita basis that is 0.1 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Puerto Rico 2020
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Rincón, PR | 57 | 1 |
| #2 | San Juan, PR | 50 | 38 |
| #3 | Mayagüez, PR | 11 | 8 |
| #4 | Guaynabo, PR | 8 | 8 |
| #5 | Ponce, PR | 6 | 4 |
| #6 | Aguadilla, PR | 6 | 4 |
| #7 | Dorado, PR | 5 | 4 |
| #8 | Bayamón, PR | 5 | 5 |
| #9 | Yauco, PR | 4 | 2 |
| #10 | Trujillo Alto, PR | 4 | 4 |
| #11 | Cabo Rojo, PR | 3 | 3 |
| #12 | Humacao, PR | 3 | 3 |
| #13 | Isabela, PR | 3 | 3 |
| #14 | Camuy, PR | 2 | 1 |
| #15 | Utuado, PR | 2 | 2 |
| #16 | Vega Alta, PR | 2 | 1 |
| #17 | Añasco, PR | 1 | 1 |
| #18 | Arecibo, PR | 1 | 1 |
| #19 | Caguas, PR | 1 | 1 |
| #20 | Guánica, PR | 1 | 1 |
| #21 | Guayanilla, PR | 1 | 1 |
| #22 | Juana Díaz, PR | 1 | 1 |
| #23 | Lares, PR | 1 | 1 |
| #24 | Las Piedras, PR | 1 | 1 |
| #25 | Orocovis, PR | 1 | 1 |