Puerto Rico ranks #51 among US states for total patents filed in 2018, with 120 patents from 89 inventors across 33 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 2018
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | San Juan, PR | 29 | 28 |
| #2 | Rincón, PR | 22 | 1 |
| #3 | Mayagüez, PR | 11 | 7 |
| #4 | Ponce, PR | 8 | 7 |
| #5 | Caguas, PR | 7 | 7 |
| #6 | Guaynabo, PR | 6 | 6 |
| #7 | Carolina, PR | 4 | 3 |
| #8 | Cabo Rojo, PR | 3 | 2 |
| #9 | Dorado, PR | 3 | 3 |
| #10 | Arecibo, PR | 2 | 1 |
| #11 | San Germán, PR | 2 | 1 |
| #12 | Aguadilla, PR | 2 | 2 |
| #13 | Utuado, PR | 1 | 1 |
| #14 | Lajas, PR | 1 | 1 |
| #15 | Bayamón, PR | 1 | 1 |
| #16 | Sabana Grande, PR | 1 | 1 |
| #17 | Barranquitas, PR | 1 | 1 |
| #18 | Santa Isabel, PR | 1 | 1 |
| #19 | Corozal, PR | 1 | 1 |
| #20 | Coamo, PR | 1 | 1 |
| #21 | Cidra, PR | 1 | 1 |
| #22 | Ceiba, PR | 1 | 1 |
| #23 | Cayey, PR | 1 | 1 |
| #24 | Canóvanas, PR | 1 | 1 |
| #25 | Camuy, PR | 1 | 1 |