Louisiana ranks #40 among US states for total patents filed in 2018, with 896 patents from 668 inventors across 111 cities. On a per-capita basis that is 0.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Louisiana 2018
| Rank ↑ | City ↕ | Patents ↕ | Inventors ↕ |
|---|---|---|---|
| #1 | Baton Rouge, LA | 121 | 104 |
| #2 | Lafayette, LA | 95 | 73 |
| #3 | New Orleans, LA | 94 | 69 |
| #4 | Houma, LA | 44 | 33 |
| #5 | Shreveport, LA | 39 | 31 |
| #6 | Bossier City, LA | 30 | 18 |
| #7 | Thibodaux, LA | 27 | 12 |
| #8 | Metairie, LA | 26 | 19 |
| #9 | Youngsville, LA | 24 | 19 |
| #10 | Mandeville, LA | 23 | 15 |
| #11 | Covington, LA | 18 | 14 |
| #12 | Lake Charles, LA | 17 | 10 |
| #13 | Kenner, LA | 16 | 11 |
| #14 | Calhoun, LA | 14 | 2 |
| #15 | New Iberia, LA | 14 | 12 |
| #16 | Hammond, LA | 12 | 11 |
| #17 | Prairieville, LA | 11 | 8 |
| #18 | Gonzales, LA | 11 | 5 |
| #19 | Slidell, LA | 11 | 9 |
| #20 | Plaquemine, LA | 10 | 1 |
| #21 | Monroe, LA | 10 | 9 |
| #22 | Zachary, LA | 10 | 7 |
| #23 | Harahan, LA | 9 | 6 |
| #24 | Belle Chasse, LA | 8 | 4 |
| #25 | Carencro, LA | 8 | 7 |