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.

1280 firms · 7744 total appearances across 2683 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Fish & Richardson85165250Texas Eastern District Court(63)Patent Trial and Appeal Board (PTAB)(50)U.S. District Court for the District of Delaware(41)lead counsel · Counsel · counsel
Gillam & Smith62169231Texas Eastern District Court(162)Patent Trial and Appeal Board (PTAB)(17)Texas Western District Court(15)local counsel · Local Counsel · lead counsel
Stamoulis & Weinblatt1659174U.S. District Court for the District of Delaware(72)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 & Sullivan5594149Texas Eastern District Court(49)Patent Trial and Appeal Board (PTAB)(25)U.S. District Court for the District of Delaware(17)lead counsel · Counsel · Lead Counsel
Russ August & Kabat11329142Texas Eastern District Court(48)U.S. District Court for the Western District of Texas(25)Patent Trial and Appeal Board (PTAB)(24)lead counsel · counsel · Counsel
Miller Fair Henry11427141Texas Eastern District Court(99)Patent Trial and Appeal Board (PTAB)(15)Texas Western District Court(11)local counsel · Local Counsel · of counsel
Morris, Nichols, Arsht & Tunnell5676132Delaware District Court(100)PTAB(4)Court of Appeals for the Federal Circuit(3)local counsel · Local Counsel · Counsel
Ward, Smith & Hill10816124Texas Eastern District Court(87)Texas Western District Court(17)U.S. District Court for the Eastern District of Texas, Marshall Division(6)local counsel · Local Counsel · Of Counsel
Finnegan, Henderson, Farabow, Garrett & Dunner4960109Patent Trial and Appeal Board (PTAB)(42)Texas Eastern District Court(22)Delaware District Court(10)lead counsel · Counsel · Lead Counsel
Capshaw DeRieux8916105U.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)(8)local counsel · Local Counsel · lead counsel
Kirkland & Ellis2678104Texas Eastern District Court(35)Patent Trial and Appeal Board (PTAB)(11)U.S. District Court for the Northern District of Illinois(9)lead counsel · Counsel · Lead Counsel
McKool Smith663096Texas Eastern District Court(41)Patent Trial and Appeal Board (PTAB)(21)Delaware District Court(9)lead counsel · counsel · Lead Counsel
Perkins Coie365995Patent Trial and Appeal Board (PTAB)(30)California Northern District Court(17)Court of Appeals for the Federal Circuit(7)Counsel · lead counsel · counsel
Farnan603292U.S. District Court for the District of Delaware(69)Patent Trial and Appeal Board (PTAB)(11)Texas Western District Court(2)local counsel · Local Counsel · Likely Local Counsel
Susman Godfrey581977Texas Eastern District Court(28)Texas Western District Court(16)U.S. District Court for the District of Delaware(7)lead counsel · Lead Counsel · Counsel
Baker Botts333770Patent Trial and Appeal Board (PTAB)(20)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 & Bird304070Texas Eastern District Court(28)Patent Trial and Appeal Board (PTAB)(14)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
Sidley Austin184664Patent Trial and Appeal Board (PTAB)(17)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
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
Sterne, Kessler, Goldstein & Fox243963Patent Trial and Appeal Board (PTAB)(34)Court of Appeals for the Federal Circuit(6)Delaware District Court(6)Counsel · lead counsel · counsel
Wilmer Cutler Pickering Hale and Dorr125163Patent Trial and Appeal Board (PTAB)(13)Delaware District Court(9)Texas Eastern District Court(9)lead counsel · counsel · Counsel
Potter Minton144660U.S. District Court for the Eastern District of Texas(45)U.S. District Court for the Western District of Texas(3)E.D. Tex.(2)local counsel · Local Counsel · counsel
Gibson, Dunn & Crutcher85159Texas Eastern District Court(13)U.S. District Court for the District of Delaware(8)Patent Trial and Appeal Board (PTAB)(6)Counsel · Lead Counsel · lead counsel
Paul Hastings243357Patent Trial and Appeal Board (PTAB)(19)Delaware District Court(11)U.S. District Court for the Eastern District of Texas(8)lead counsel · Lead Counsel · counsel