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
Chachkes Law448Texas Eastern District Court(5)Attorney · Attorney for Defendants · Principal Attorney
Lewis Brisbois Bisgaard & Smith448U.S. District Court for the Central District of California(5)U.S. District Court for the District of Delaware(2)U.S. District Court for the Eastern District of Texas(1)Lead Counsel · lead counsel · 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
Tensegrity Law Group527U.S. District Court for the District of Delaware(3)Patent Trial and Appeal Board (PTAB)(2)California Northern District Court(1)lead counsel · pro hac vice · of 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
Berger & Hipskind617U.S. District Court for the Western District of Texas(3)U.S. District Court for the Central District of California(2)Delaware District Court(1)of counsel · lead counsel · Lead Counsel
Holland & Hart347Wyoming District Court(3)Texas Eastern District Court(2)Texas Western District Court(1)Of Counsel · Counsel of Record · 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
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
McGuireWoods336Texas Eastern District Court(3)U.S. District Court for the District of Delaware(1)U.S. District Court for the Northern District of Illinois(1)local counsel · lead counsel · Lead Counsel
Davis Firm426Patent Trial and Appeal Board (PTAB)(3)District Court, E.D. Texas(1)Texas Eastern District Court(1)local counsel · Counsel for Petitioner · counsel
Womble Bond Dickinson (US)426U.S. District Court for the District of Delaware(2)U.S. Patent Trial and Appeal Board (PTAB)(2)Court of Appeals for the Federal Circuit(1)Of Counsel · pro hac vice counsel · counsel
Crowell & Moring246Patent Trial and Appeal Board (PTAB)(2)Court of Appeals for the Federal Circuit(1)Delaware District Court(1)counsel · Lead Counsel · lead counsel
Sullivan & Cromwell336Patent Trial and Appeal Board (PTAB)(2)Virginia Eastern District Court(2)U.S. District Court for the Eastern District of Virginia, Norfolk Division(1)Counsel · Appellate Counsel · lead counsel
Charhon, Callahan, Robson & Garza156Patent Trial and Appeal Board(2)Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Texas(1)counsel · lead counsel · Likely Local Counsel
Klarquist Sparkman246Patent Trial and Appeal Board (PTAB) of the USPTO(3)Texas Eastern District Court(2)U.S. District Court for the Western District of Washington(1)lead counsel · counsel · of counsel
Carter Arnett426Patent Trial and Appeal Board (PTAB) of the USPTO(2)United States District Court for the Western District of Texas(2)U.S. Court of Appeals for the Federal Circuit(1)Attorney · local counsel · Counsel
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
Knobbe Martens336California 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