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.

1466 firms · 10873 total appearances across 3717 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Lerner David Littenberg Krumholz & Mentlik246U.S. District Court for the District of Delaware(4)United States Patent and Trademark Office, Patent Trial and Appeal Board(2)lead counsel · backup counsel · Local Counsel
Morris, Manning & Martin156N.D. Ga.(2)Patent Trial and Appeal Board (PTAB)(2)C.D. Cal.(1)lead counsel · local counsel · Lead Counsel
Wiley Rein156U.S. District Court for the District of Delaware(3)Patent Trial and Appeal Board (PTAB) of the USPTO(1)Texas Eastern District Court(1)of counsel · lead counsel · Counsel
Miller Barondess246U.S. District Court for the Central District of California(6)lead counsel · Lead Counsel · Counsel for Defendants
Dentons US156Texas Eastern District Court(3)E.D. Tex. (Judge Rodney Gilstrap)(1)PTAB(1)Lead Counsel · backup counsel (Petitioner) · Partner
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
Watson Burns6—6U.S. District Court, Western District of Tennessee (Memphis Division)(3)W.D. Tenn.(2)United States District Court for the Western District of Tennessee(1)local counsel
Fernald Law Group6—6U.S. District Court for the Central District of California(4)C.D. Cal.(1)C.D. Cal. (Judge Andre Birotti Jr.)(1)local counsel
Geiszler Law Firm—66U.S. District Court for the Eastern District of Texas(4)E.D. Tex.(1)U.S. District Court, E.D. Texas (Marshall Division) — Judge Rodney Gilstrap(1)lead counsel · attorney of record · defense counsel
Shearman & Sterling426U.S. District Court for the District of Utah(2)Patent Trial and Appeal Board(1)United States District Court for the Northern District of California(1)lead counsel · co-counsel · PHV counsel
Fitzsimmons IP Law336Patent Trial and Appeal Board, U.S. Patent and Trademark Office(5)U.S. District Court for the Western District of Texas, Waco Division; later transferred to Austin Division(1)lead counsel · counsel of record
Kramer Day Alberti Lim Tonkovich & Belloli426Patent Trial and Appeal Board(3)U.S. District Court for the Western District of Texas(2)U.S. District Court for the Western District of Texas, Waco Division(1)counsel of record · pro hac vice counsel · lead counsel
Goldberg Segalla336Patent Trial and Appeal Board (PTAB)(3)U.S. District Court for the Western District of Texas, Waco Division; continued in Austin Division(3)counsel · lead counsel · backup counsel
Dunlap Codding336Patent Trial and Appeal Board(4)U.S. Court of Appeals for the Federal Circuit(1)IPR co-counsel · co-counsel · IPR 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
Arnold & Porter257U.S. District Court for the Eastern District of Texas(2)New York Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)counsel · pro hac vice counsel · Of Counsel / Additional Counsel
Cherian617Court of Appeals for the Federal Circuit(3)U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board(1)lead counsel · Counsel of Record · back-up counsel
AddyHart527Patent Trial and Appeal Board (PTAB)(2)U.S. Court of Appeals for the Federal Circuit(1)U.S. District Court for the Central District of California(1)lead counsel · appellate counsel · Lead Counsel