The following table shows the ranking of United States IP law firm. The ranking is based on the following conditions.
- Technical field: Electric communication (smartphone, cell phone, wireless network, video streaming, videoconference device, user authentication system, 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 | 1089 | Birch Stewart Kolasch & Birch |
| 2 | 942 | Oblon McClelland Maier & Neustadt |
| 3 | 926 | Sughrue Mion |
| 4 | 839 | Kilpatrick Townsend & Stockton |
| 5 | 818 | Fish & Richardson |
| 6 | 782 | Schwegman Lundberg & Woessner |
| 7 | 690 | Knobbe Martens Olson & Bear |
| 8 | 625 | Lee Hong Degerman Kang & Waimey |
| 9 | 624 | Jefferson IP Law |
| 10 | 589 | Harness Dickey & Pierce |
| 11 | 573 | Canon USA Inc IP Division |
| 12 | 535 | Slater Matsil |
| 13 | 514 | Dentons US |
| 14 | 454 | Cantor Colburn |
| 15 | 432 | Patterson & Sheridan |
| 16 | 431 | The Farrell Law Firm |
| 17 | 427 | Staas & Halsey |
| 18 | 427 | Baker Botts |
| 19 | 422 | Conley Rose |
| 20 | 414 | Fitzpatrick Cella Harper & Scinto |
| 21 | 412 | Oliff |
| 22 | 405 | Meyertons Hood Kivlin Kowert & Goetzel |
| 23 | 400 | Leydig Voit & Mayer |
| 24 | 396 | Haynes & Boone |
| 25 | 391 | Finnegan Henderson Farabow Garrett & Dunner |
| 26 | 390 | Perkins Coie |
| 27 | 390 | Morgan Lewis & Bockius |
| 28 | 385 | Banner & Witcoff |
| 29 | 373 | Fenwick & West |
| 30 | 367 | Foley & Lardner |
| 31 | 358 | Arent Fox |
| 32 | 357 | Amin Turocy & Watson |
| 33 | 357 | McDermott Will & Emery |
| 34 | 355 | Chip Law Group |
| 35 | 353 | Guntin & Gust |
| 36 | 336 | Shumaker & Sieffert |
| 37 | 329 | McDonnell Boehnen Hulbert & Berghoff |
| 38 | 320 | Baker & Hostetler |
| 39 | 316 | Seed IP Law Group |
| 40 | 312 | Nixon & Vanderhye |
| 41 | 296 | Holland & Hart |
| 42 | 292 | Wenderoth Lind & Ponack |
| 43 | 291 | Scully Scott Murphy & Presser |
| 44 | 287 | Womble Bond Dickinson (US) |
| 45 | 280 | Polsinelli |
| 46 | 261 | Sheridan Ross |
| 47 | 252 | Sage Patent Group |
| 48 | 250 | Merchant & Gould |
| 49 | 249 | Buchanan Ingersoll & Rooney |
| 50 | 248 | Lee & Hayes |
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.
