Louisiana ranks #39 among US states for total patents filed in 2017, with 1,006 patents from 697 inventors across 109 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 2017
| Rank ↑ | City ↕ | Patents ↕ | Inventors ↕ |
|---|---|---|---|
| #1 | Baton Rouge, LA | 147 | 105 |
| #2 | New Orleans, LA | 113 | 81 |
| #3 | Lafayette, LA | 105 | 70 |
| #4 | Shreveport, LA | 53 | 41 |
| #5 | Mandeville, LA | 39 | 24 |
| #6 | Houma, LA | 35 | 21 |
| #7 | Metairie, LA | 29 | 22 |
| #8 | Bossier City, LA | 25 | 15 |
| #9 | Youngsville, LA | 24 | 15 |
| #10 | Covington, LA | 24 | 15 |
| #11 | Lake Charles, LA | 22 | 17 |
| #12 | Slidell, LA | 21 | 19 |
| #13 | Gonzales, LA | 19 | 8 |
| #14 | Harahan, LA | 17 | 10 |
| #15 | Kenner, LA | 15 | 10 |
| #16 | Thibodaux, LA | 13 | 8 |
| #17 | Geismar, LA | 12 | 3 |
| #18 | Millards, LA | 12 | 1 |
| #19 | Ruston, LA | 12 | 9 |
| #20 | New Iberia, LA | 11 | 7 |
| #21 | Waggaman, LA | 11 | 9 |
| #22 | Broussard, LA | 11 | 10 |
| #23 | Prairieville, LA | 10 | 8 |
| #24 | Jefferson, LA | 10 | 6 |
| #25 | Breaux Bridge, LA | 9 | 4 |