Counsel registry

Representatives

Law firms representing parties in tracked US patent litigation. Counts come from per-case “Plaintiff representatives” and “Defendant representatives” sections. A firm with multiple attorneys on one case counts as a single appearance per side. Click any column header to sort; defaults to total cases, descending.

1443 firms · 10622 total appearances across 3609 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Fish & Richardson95198293Texas Eastern District Court(66)Patent Trial and Appeal Board (PTAB)(60)U.S. District Court for the District of Delaware(40)lead counsel · Counsel · counsel
Gillam & Smith62197259Texas Eastern District Court(162)Patent Trial and Appeal Board (PTAB)(26)Texas Western District Court(16)local counsel · Local Counsel · lead counsel
Stamoulis & Weinblatt16614180U.S. District Court for the District of Delaware(73)U.S. District Court for the Eastern District of Texas(38)U.S. District Court for the Western District of Texas(20)lead counsel · local counsel · Lead Counsel
Quinn Emanuel Urquhart & Sullivan64114178Texas Eastern District Court(49)Patent Trial and Appeal Board (PTAB)(34)U.S. District Court for the District of Delaware(18)lead counsel · Counsel · counsel
Morris, Nichols, Arsht & Tunnell71100171U.S. District Court for the District of Delaware(114)USPTO Patent Trial and Appeal Board(11)U.S. Court of Appeals for the Federal Circuit(9)local counsel · Local Counsel · lead counsel
Russ August & Kabat13230162Texas Eastern District Court(51)U.S. District Court for the Western District of Texas(27)Patent Trial and Appeal Board (PTAB)(25)lead counsel · counsel · Counsel
Finnegan, Henderson, Farabow, Garrett & Dunner7779156Patent Trial and Appeal Board (PTAB)(66)Texas Eastern District Court(22)U.S. Court of Appeals for the Federal Circuit(14)lead counsel · back-up counsel · Counsel
Farnan11040150U.S. District Court for the District of Delaware(93)Patent Trial and Appeal Board (PTAB)(24)U.S. District Court for the District of Delaware, Judge Jennifer L. Hall(5)local counsel · Local Counsel · lead counsel
Perkins Coie5197148Patent Trial and Appeal Board (PTAB)(45)California Northern District Court(17)U.S. District Court for the Eastern District of Texas(12)lead counsel · Counsel · counsel
Miller Fair Henry12025145Texas Eastern District Court(97)Patent Trial and Appeal Board (PTAB)(16)Texas Western District Court(11)local counsel · Local Counsel · of counsel
Kirkland & Ellis4697143Texas Eastern District Court(33)Patent Trial and Appeal Board (PTAB)(26)U.S. District Court for the District of Delaware(12)lead counsel · counsel · Counsel
Ward, Smith & Hill12115136Texas Eastern District Court(88)Texas Western District Court(17)Patent Trial and Appeal Board (PTAB)(9)local counsel · Local Counsel · Of Counsel
McKool Smith8236118Texas Eastern District Court(39)Patent Trial and Appeal Board (PTAB)(29)U.S. District Court for the District of Delaware(12)lead counsel · counsel · Counsel
Capshaw DeRieux9916115U.S. District Court for the Eastern District of Texas(61)U.S. District Court for the Western District of Texas(18)Patent Trial and Appeal Board (PTAB)(8)local counsel · Local Counsel · lead counsel
Nelson Bumgardner Conroy9220112U.S. District Court for the Eastern District of Texas(24)USPTO Patent Trial and Appeal Board(17)U.S. District Court for the Western District of Texas(9)lead counsel · back-up counsel · Counsel
Susman Godfrey8328111Texas Eastern District Court(30)Patent Trial and Appeal Board(18)Texas Western District Court(18)lead counsel · counsel · Lead Counsel
The Dacus Firm405494U.S. District Court for the Eastern District of Texas(42)U.S. District Court for the Western District of Texas(18)Patent Trial and Appeal Board (PTAB)(6)local counsel · Local Counsel · of counsel
Gibson, Dunn & Crutcher246690U.S. District Court for the District of Delaware(17)Patent Trial and Appeal Board (PTAB)(15)Texas Eastern District Court(14)lead counsel · counsel · of counsel
Sterne, Kessler, Goldstein & Fox315889Patent Trial and Appeal Board (PTAB)(54)Delaware District Court(7)Court of Appeals for the Federal Circuit(6)lead counsel · counsel · Counsel
Wilmer Cutler Pickering Hale and Dorr196988Patent Trial and Appeal Board (PTAB)(23)U.S. Court of Appeals for the Federal Circuit(14)Texas Eastern District Court(9)lead counsel · counsel · back-up counsel