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.

1456 firms · 10768 total appearances across 3665 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Kaliko & Associates / YK Law1—1E.D. Texas (Marshall Division)(1)substantive counsel
Kramer Levin1—1Patent Trial and Appeal Board, U.S. Patent and Trademark Office(1)plaintiff counsel · appellate/PTAB counsel · appellate counsel
ITC Office of the General Counsel—11U.S. Court of Appeals for the Federal Circuit(1)counsel for appellee ITC
Office of the General Counsel, U.S. International Trade Commission—11U.S. Court of Appeals for the Federal Circuit(1)lead counsel · government counsel
Office of the Solicitor, USPTO—11U.S. Court of Appeals for the Federal Circuit (Judge Taranto)(1)lead counsel
Standley Law Group1—1U.S. District Court for the District of Delaware (Judge Richard G. Andrews)(1)lead counsel
Mangum Ririe1—1U.S. Court of Appeals for the Federal Circuit(1)local counsel
Cypress1—1U.S. Court of Appeals for the Federal Circuit(1)local counsel
Hill, Farrer & Burrill1—1U.S. District Court, Central District of California(1)local counsel
Orrick—11U.S. Court of Appeals for the Federal Circuit(1)—
Frost Brown Todd—11U.S. District Court for the Eastern District of Kentucky, Lexington Division(1)local counsel
Ward Greenberg Heller & Reidy—11U.S. District Court for the Western District of New York(1)local counsel
Not confirmed—11Patent Trial and Appeal Board (PTAB)(1)pro hac vice counsel · counsel · local counsel
Albritton Law1—1U.S. Patent and Trademark Office, Patent Trial and Appeal Board(1)plaintiff counsel
Hilgers Graben—11U.S. District Court for the Eastern District of Texas, Marshall Division(1)local counsel
Sheridan Ross1—1U.S. District Court for the District of Colorado(1)local counsel
Vowell Law Firm—11U.S. District Court for the District of Arizona(1)lead counsel
Kasowitz1—1U.S. District Court for the Western District of Texas(1)lead counsel · attorney of record · co-lead counsel
Thompson Technology Law—11Patent Trial and Appeal Board (PTAB), U.S. Patent and Trademark Office(1)back-up counsel
Holmgren Johnson: Mitchell Madden—11U.S. District Court for the Eastern District of Texas(1)counsel of record