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.

1249 firms · 7347 total appearances across 2539 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Maschoff Brennan358U.S. District Court for the District of Utah(5)United States District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board(1)Of Counsel · Lead Counsel · Local Counsel
Gish178U.S. District Court for the Northern District of California(3)United States District Court for the Eastern District of Texas(3)U.S. District Court for the District of Delaware(2)Lead Counsel · lead counsel · counsel
Rothwell, Figg, Ernst & Manbeck628Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(2)New York Southern District Court(1)counsel for PTAB proceedings · lead counsel · Lead Counsel
Farney Daniels628U.S. District Court for the District of Vermont(2)U.S. District Court for the Southern District of California(2)Federal Trade Commission (administrative complaint)(1)Lead Counsel · counsel · lead counsel
Siebman, Forrest, Burg & Smith358Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(2)Local Counsel · lead counsel · local counsel
BC Law Group628Texas Western District Court(3)U.S. District Court for the Eastern District of Texas(3)U.S. District Court for the Western District of Texas, Waco Division(1)Counsel · Lead Counsel · lead counsel
J. Wesley Hill8—8Texas Eastern District Court(8)local counsel · Local Counsel · lead counsel
Lowenstein & Weatherwax178Patent Trial and Appeal Board (PTAB)(7)Virginia Eastern District Court(1)Counsel · Lead Counsel · counsel
Spencer Fane268Patent Trial and Appeal Board (PTAB)(3)Arizona District Court(2)United States District Court, District of Nevada(2)Partner · local counsel · Counsel
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
Friedman, Suder & Cooke819U.S. District Court for the Eastern District of Texas(6)U.S. District Court for the Western District of Texas(1)United States District Court for the Southern District of California(1)lead counsel · Lead Counsel · of counsel
Nix, Patterson & Roach819U.S. District Court for the Eastern District of Texas(7)Eastern District of Texas, Marshall Division(1)U.S. Patent and Trademark Office, Patent Trial and Appeal Board(1)lead counsel · of counsel · Lead Counsel
Fox Rothschild639Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office(4)District Court, Delaware(1)U.S. District Court for the Eastern District of Pennsylvania(1)lead counsel · attorney · counsel
Munck Wilson Mandala279U.S. District Court for the Eastern District of Texas(4)Patent Trial and Appeal Board (PTAB)(2)New Jersey District Court(1)lead counsel · counsel · of counsel
Boies Schiller Flexner639Texas Eastern District Court(4)Patent Trial and Appeal Board (PTAB)(2)California Northern District Court(1)lead counsel · counsel · Counsel
McCarter & English459Delaware District Court(6)Patent Trial and Appeal Board (PTAB)(2)U.S. District Court for the District of New Jersey(1)local counsel · Local Counsel · lead counsel
Cravath, Swaine & Moore189Patent Trial and Appeal Board (PTAB)(5)Texas Eastern District Court(1)U.S. District Court for the Central District of California(1)lead counsel · of counsel · counsel
Benesch Friedlander Coplan & Aronoff189Patent Trial and Appeal Board (PTAB)(5)Texas Eastern District Court(3)U.S. District Court for the Central District of California(1)Counsel · counsel · Lead Counsel
Blue Peak Law Group549Texas Eastern District Court(3)PTAB(2)Washington Western District Court(2)counsel · Lead Counsel · Counsel
Bradley Arant Boult Cummings3710Tennessee Middle District Court(2)U.S. District Court for the District of Delaware(2)Court of Appeals for the Federal Circuit(1)lead counsel · Lead Counsel · Counsel
The Roth Law Firm8210U.S. District Court for the Eastern District of Texas(9)Local Counsel · local counsel · local and trial counsel
Kobre & Kim6410California Northern District Court(4)Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Southern District of California(1)Counsel · lead counsel · Attorney for Plaintiff
Kelly Hart & Hallman2810Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Western District of Texas(4)Texas Northern District Court(1)Local Counsel · local counsel · of counsel
Stinson6410Texas Eastern District Court(3)Delaware District Court(2)Arizona District Court(1)of counsel · counsel · Counsel