Louisiana ranks #41 among US states for total patents filed in 2023, with 912 patents from 667 inventors across 107 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 2023
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Baton Rouge, LA | 152 | 115 |
| #2 | Lafayette, LA | 109 | 78 |
| #3 | New Orleans, LA | 107 | 74 |
| #4 | Metairie, LA | 52 | 37 |
| #5 | Shreveport, LA | 40 | 33 |
| #6 | Houma, LA | 31 | 18 |
| #7 | Thibodaux, LA | 24 | 14 |
| #8 | Mandeville, LA | 24 | 17 |
| #9 | Covington, LA | 23 | 17 |
| #10 | Youngsville, LA | 23 | 13 |
| #11 | Kenner, LA | 19 | 15 |
| #12 | New Iberia, LA | 19 | 9 |
| #13 | Slidell, LA | 16 | 14 |
| #14 | Monroe, LA | 13 | 10 |
| #15 | Bossier City, LA | 12 | 8 |
| #16 | Prairieville, LA | 11 | 5 |
| #17 | Luling, LA | 9 | 7 |
| #18 | Lake Charles, LA | 9 | 8 |
| #19 | Jefferson, LA | 9 | 6 |
| #20 | Bastrop, LA | 8 | 2 |
| #21 | Westlake, LA | 7 | 5 |
| #22 | Clinton, LA | 7 | 5 |
| #23 | Zachary, LA | 7 | 6 |
| #24 | Marrero, LA | 6 | 5 |
| #25 | Broussard, LA | 6 | 6 |