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.

1242 firms · 7315 total appearances across 2525 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Fish & Richardson82161243Texas Eastern District Court(61)Patent Trial and Appeal Board (PTAB)(48)U.S. District Court for the District of Delaware(40)lead counsel · Counsel · counsel
Gillam & Smith58159217Texas Eastern District Court(152)Patent Trial and Appeal Board (PTAB)(15)Texas Western District Court(15)local counsel · Local Counsel · lead counsel
Stamoulis & Weinblatt1649173U.S. District Court for the District of Delaware(71)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 & Sullivan5392145Texas Eastern District Court(49)Patent Trial and Appeal Board (PTAB)(24)U.S. District Court for the District of Delaware(17)lead counsel · Counsel · Lead Counsel
Russ August & Kabat11128139Texas Eastern District Court(46)U.S. District Court for the Western District of Texas(25)Patent Trial and Appeal Board (PTAB)(23)lead counsel · counsel · Counsel
Miller Fair Henry11027137Texas Eastern District Court(95)Patent Trial and Appeal Board (PTAB)(15)Texas Western District Court(11)local counsel · Local Counsel · of counsel
Morris, Nichols, Arsht & Tunnell5372125Delaware District Court(95)Court of Appeals for the Federal Circuit(3)PTAB(3)local counsel · Local Counsel · Counsel
Ward, Smith & Hill10115116Texas Eastern District Court(83)Texas Western District Court(15)U.S. District Court for the Eastern District of Texas, Marshall Division(6)local counsel · Local Counsel · Of Counsel
Finnegan, Henderson, Farabow, Garrett & Dunner455398Patent Trial and Appeal Board (PTAB)(36)Texas Eastern District Court(20)Delaware District Court(9)lead counsel · Counsel · Lead Counsel
Kirkland & Ellis247397Texas Eastern District Court(31)Patent Trial and Appeal Board (PTAB)(11)U.S. District Court for the Northern District of Illinois(9)lead counsel · Counsel · Lead Counsel
Perkins Coie355792Patent Trial and Appeal Board (PTAB)(29)California Northern District Court(17)U.S. District Court for the Eastern District of Texas(7)Counsel · lead counsel · counsel
McKool Smith592887Texas Eastern District Court(38)Patent Trial and Appeal Board (PTAB)(19)Delaware District Court(7)lead counsel · Lead Counsel · counsel
Farnan563086U.S. District Court for the District of Delaware(64)Patent Trial and Appeal Board (PTAB)(11)Texas Western District Court(2)local counsel · Local Counsel · Likely Local Counsel
Capshaw DeRieux691180U.S. District Court for the Eastern District of Texas(48)U.S. District Court for the Western District of Texas(15)Patent Trial and Appeal Board (PTAB)(8)local counsel · Local Counsel · lead counsel
Susman Godfrey531972Texas Eastern District Court(28)Texas Western District Court(12)U.S. District Court for the District of Delaware(7)lead counsel · Lead Counsel · Counsel
Alston & Bird294069Texas Eastern District Court(28)Patent Trial and Appeal Board (PTAB)(13)Delaware District Court(4)counsel · Counsel · lead counsel
The Dacus Firm363268U.S. District Court for the Eastern District of Texas(41)U.S. District Court for the Western District of Texas(14)Patent Trial and Appeal Board (PTAB)(3)local counsel · Local Counsel · of counsel
Baker Botts323365Patent Trial and Appeal Board (PTAB)(18)U.S. District Court for the Eastern District of Texas(13)U.S. District Court for the District of Delaware(8)lead counsel · of counsel · Counsel
Potter Anderson & Corroon164864U.S. District Court for the District of Delaware(52)D. Del.(3)U.S. Patent Trial and Appeal Board (PTAB)(3)local counsel · Local Counsel · Potential Local Counsel
Sidley Austin164460Patent Trial and Appeal Board (PTAB)(14)U.S. District Court for the Eastern District of Texas(14)U.S. District Court for the District of Delaware(8)lead counsel · Lead Counsel · Counsel
Sterne, Kessler, Goldstein & Fox233659Patent Trial and Appeal Board (PTAB)(31)Court of Appeals for the Federal Circuit(6)Delaware District Court(6)Counsel · counsel · lead counsel
Wilmer Cutler Pickering Hale and Dorr94857Patent Trial and Appeal Board (PTAB)(11)Texas Eastern District Court(9)Delaware District Court(8)lead counsel · counsel · Counsel
Potter Minton144155U.S. District Court for the Eastern District of Texas(41)U.S. District Court for the Western District of Texas(3)E.D. Tex.(2)local counsel · Local Counsel · counsel
Gibson, Dunn & Crutcher64854Texas Eastern District Court(12)U.S. District Court for the District of Delaware(8)Patent Trial and Appeal Board (PTAB)(5)Counsel · Lead Counsel · lead counsel
Paul Hastings203151Patent Trial and Appeal Board (PTAB)(16)Delaware District Court(9)U.S. District Court for the Eastern District of Texas(7)Lead Counsel · lead counsel · counsel