The following table shows the ranking of United States IP law firm. The ranking is based on the following conditions.
- Technical field: Clothing (shirt, shirt collar, bra, wetsuit, hair extension, footwear, belt, flame resistant garment, etc.)
- Status: United States granted patents in 2018 (registration date).
- Count: The number of patents represented by each United States IP law firm, attorney or agent was counted. Even if attorney or agent belongs to a law firm, they were counted separately.
| Ranking | No. | IP law firm |
|---|---|---|
| 1 | 78 | Banner & Witcoff |
| 2 | 68 | Shook Hardy & Bacon |
| 3 | 53 | Honigman Miller Schwartz & Cohn |
| 4 | 50 | Matthew H Szalach |
| 5 | 50 | Jonathan P O'Brien |
| 6 | 40 | Kilpatrick Townsend & Stockton |
| 7 | 30 | Quinn IP Law |
| 8 | 25 | Schwegman Lundberg & Woessner |
| 9 | 25 | Klarquist Sparkman |
| 10 | 24 | Brinks Gilson & Lione |
| 11 | 17 | Thomas | Horstemeyer |
| 12 | 15 | Sterne Kessler Goldstein & Fox |
| 13 | 14 | Booth Udall Fuller |
| 14 | 13 | Muncy Geissler Olds & Lowe |
| 15 | 12 | Oblon McClelland Maier & Neustadt |
| 16 | 12 | Knobbe Martens Olson & Bear |
| 17 | 11 | Perkins Coie |
| 18 | 9 | Barnes & Thornburg |
| 19 | 9 | Cantor Colburn |
| 20 | 9 | Fish & Richardson |
In the patent search, it was confirmed that a high-accuracy population (i.e., a population not including non-relevant fields) of patents was obtained. Subsequently, the population was used to create the table.
By entering the Firm name in the "Attorney or Agent" column of USPTO database, you can find the patent information handled by each Firm.
