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
Key Kesan Dallmann6—6U.S. District Court for the Eastern District of Texas(3)U.S. District Court for the Western District of Texas(3)Lead Counsel · lead or primary counsel · Counsel
Reinhart Boerner Van Deuren156Wisconsin Eastern District Court(6)local counsel · Counsel · counsel
Miller Johnson336Patent Trial and Appeal Board (PTAB)(3)Michigan Western District Court(2)United States District Court for the Western District of Michigan, Southern Division(1)Counsel · Lead Counsel · Attorney
Kellogg, Hansen, Todd, Figel & Frederick516U.S. District Court for the Northern District of West Virginia(3)U.S. International Trade Commission(2)Texas Eastern District Court(1)lead counsel · counsel · Counsel
BakerHostetler426Delaware District Court(2)Delaware Supreme Court(1)Patent Trial and Appeal Board (PTAB)(1)Counsel · Counsel (argued) · Local Counsel
Padmanabhan & Dawson156Patent Trial and Appeal Board (PTAB)(5)Delaware District Court(1)Counsel · lead counsel · Lead Counsel
Cozen O'Connor516Patent Trial and Appeal Board (PTAB)(2)United States District Court for the Western District of Texas(2)California Central District Court(1)lead counsel · Counsel for Plaintiff · Counsel
Fredrikson & Byron336Patent Trial and Appeal Board (PTAB)(2)United States Judicial Panel on Multidistrict Litigation, centralized in the Southern District of Iowa.(2)Minnesota District Court(1)Counsel · counsel · local counsel
Miller Barondess246U.S. District Court for the Central District of California(6)Lead Counsel · lead counsel · Counsel for Defendants
Lex Lumina336U.S. Court of Appeals for the Federal Circuit (CAFC)(2)U.S. Patent Trial and Appeal Board (PTAB)(2)Northern District of California(1)Counsel · Lead Counsel (for appeal) · Lead Counsel
Noroozi426U.S. Court of Appeals for the Federal Circuit (CAFC)(3)California Northern District Court(1)Patent Trial and Appeal Board (PTAB)(1)lead counsel · Lead Counsel
The Webb Law Firm257U.S. District Court for the Western District of Texas(3)Court of Appeals for the Federal Circuit(1)Pennsylvania Eastern District Court(1)lead counsel · Counsel · local counsel
Alavi Anaipakos7—7U.S. District Court for the Eastern District of Texas(5)California Northern District Court(1)U.S. District Court for the Eastern District of Texas, Marshall Division(1)Counsel · of counsel · lead counsel
Holland & Hart347Wyoming District Court(3)Texas Eastern District Court(2)Texas Western District Court(1)Of Counsel · Counsel of Record · counsel
Crowell & Moring257Patent Trial and Appeal Board (PTAB)(2)Court of Appeals for the Federal Circuit(1)Delaware District Court(1)counsel · Lead Counsel · lead counsel
Manatt, Phelps & Phillips437Patent Trial and Appeal Board (PTAB)(2)Texas Western District Court(2)U.S. District Court for the Northern District of Georgia(2)Counsel · of counsel · lead counsel
Steptoe347Patent Trial and Appeal Board (PTAB)(5)Delaware District Court(1)Texas Eastern District Court(1)Attorney · Counsel · lead counsel
Davis Wright Tremaine437Arizona District Court(4)Patent Trial and Appeal Board (PTAB)(1)Washington Western District Court(1)Counsel · Litigation attorney · Of Counsel
Cahill Gordon & Reindel347Delaware District Court(2)Texas Western District Court(2)E.D. Texas(1)Lead Counsel · Counsel of record · Counsel (admitted Pro Hac Vice)
Knobbe Martens347California Northern District Court(1)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Central District of California(1)counsel · lead counsel · key counsel
Volpe Koenig167Patent Trial and Appeal Board (PTAB)(6)New York Southern District Court(1)Counsel for Patent Owner · lead counsel · Shareholder
Graves & Shaw527Court of Appeals for the Federal Circuit(2)Patent Trial and Appeal Board(2)U.S. District Court for the Western District of Texas, Waco Division(2)Counsel · lead counsel · Lead Counsel
Tensegrity Law Group628U.S. District Court for the District of Delaware(4)Patent Trial and Appeal Board (PTAB)(2)California Northern District Court(1)lead counsel · pro hac vice · of counsel
Cole Schotz448Texas Eastern District Court(4)Patent Trial and Appeal Board (PTAB)(2)California Central District Court(1)Attorney to be Noticed · attorney to be noticed · Counsel
Heyman Enerio Gattuso & Hirzel358Delaware District Court(5)D. Del.(1)local counsel · Local Counsel · Partner, likely local counsel