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.

1355 firms · 8993 total appearances across 3074 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Fish & Richardson89184273Texas Eastern District Court(64)Patent Trial and Appeal Board (PTAB)(54)U.S. District Court for the District of Delaware(42)lead counsel · Counsel · counsel
Gillam & Smith63175238Texas Eastern District Court(164)Patent Trial and Appeal Board (PTAB)(18)Texas Western District Court(17)local counsel · Local Counsel · lead counsel
Stamoulis & Weinblatt16513178U.S. District Court for the District of Delaware(74)U.S. District Court for the Eastern District of Texas(37)U.S. District Court for the Western District of Texas(20)lead counsel · local counsel · Lead Counsel
Quinn Emanuel Urquhart & Sullivan57100157Texas Eastern District Court(49)Patent Trial and Appeal Board (PTAB)(28)U.S. District Court for the District of Delaware(17)lead counsel · Counsel · Lead Counsel
Russ August & Kabat12330153Texas Eastern District Court(48)U.S. District Court for the Western District of Texas(26)Patent Trial and Appeal Board (PTAB)(25)lead counsel · counsel · Counsel
Morris, Nichols, Arsht & Tunnell5985144U.S. District Court for the District of Delaware(106)PTAB(6)U.S. Court of Appeals for the Federal Circuit(6)local counsel · Local Counsel · Counsel
Miller Fair Henry11627143Texas Eastern District Court(99)Patent Trial and Appeal Board (PTAB)(15)Texas Western District Court(11)local counsel · Local Counsel · of counsel
Ward, Smith & Hill11817135Texas Eastern District Court(88)Texas Western District Court(17)Patent Trial and Appeal Board (PTAB)(9)local counsel · Local Counsel · Of Counsel
Finnegan, Henderson, Farabow, Garrett & Dunner6367130Patent Trial and Appeal Board (PTAB)(53)Texas Eastern District Court(22)Delaware District Court(12)lead counsel · Counsel · Lead Counsel
Kirkland & Ellis3785122Texas Eastern District Court(35)Patent Trial and Appeal Board (PTAB)(17)United States District Court for the District of Delaware(10)lead counsel · Counsel · Lead Counsel
McKool Smith8337120Texas Eastern District Court(41)Patent Trial and Appeal Board (PTAB)(29)Delaware District Court(11)lead counsel · counsel · Lead Counsel
Perkins Coie4573118Patent Trial and Appeal Board (PTAB)(37)California Northern District Court(17)Court of Appeals for the Federal Circuit(8)lead counsel · Counsel · counsel
Capshaw DeRieux9016106U.S. District Court for the Eastern District of Texas(60)U.S. District Court for the Western District of Texas(17)Patent Trial and Appeal Board (PTAB)(9)local counsel · Local Counsel · lead counsel
Farnan6833101U.S. District Court for the District of Delaware(72)Patent Trial and Appeal Board (PTAB)(13)U.S. Court of Appeals for the Federal Circuit(3)local counsel · Local Counsel · Likely Local Counsel
Gibson, Dunn & Crutcher236487Texas Eastern District Court(15)U.S. District Court for the District of Delaware(15)Patent Trial and Appeal Board (PTAB)(12)lead counsel · Counsel · counsel
The Dacus Firm414485U.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)(5)local counsel · Local Counsel · of counsel
Susman Godfrey631982Texas Eastern District Court(30)Texas Western District Court(16)Patent Trial and Appeal Board (PTAB)(8)lead counsel · Lead Counsel · Counsel
Wilmer Cutler Pickering Hale and Dorr156277Patent Trial and Appeal Board (PTAB)(19)U.S. Court of Appeals for the Federal Circuit(12)Delaware District Court(11)lead counsel · counsel · Counsel
Sterne, Kessler, Goldstein & Fox274774Patent Trial and Appeal Board (PTAB)(43)Court of Appeals for the Federal Circuit(6)Delaware District Court(6)Counsel · lead counsel · counsel
Baker Botts344074Patent Trial and Appeal Board (PTAB)(21)U.S. District Court for the Eastern District of Texas(14)U.S. District Court for the District of Delaware(8)lead counsel · Counsel · of counsel
Alston & Bird324173Texas Eastern District Court(28)Patent Trial and Appeal Board (PTAB)(16)Delaware District Court(4)counsel · lead counsel · Counsel
Sidley Austin214970Patent Trial and Appeal Board (PTAB)(20)U.S. District Court for the Eastern District of Texas(15)U.S. District Court for the District of Delaware(8)lead counsel · Counsel · Lead Counsel
Morgan, Lewis & Bockius234770Patent Trial and Appeal Board (PTAB)(25)U.S. District Court for the Western District of Texas(6)Texas Eastern District Court(4)lead counsel · counsel · Counsel
Nelson Bumgardner Conroy571370U.S. District Court for the Eastern District of Texas(20)Patent Trial and Appeal Board (PTAB)(10)U.S. District Court for the Western District of Texas(8)lead counsel · Counsel · counsel
Potter Anderson & Corroon165066U.S. District Court for the District of Delaware(54)D. Del.(3)U.S. Patent Trial and Appeal Board (PTAB)(3)local counsel · Local Counsel · Potential Local Counsel