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.

1447 firms · 10678 total appearances across 3632 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Wolf Greenfield235Patent Trial and Appeal Board (PTAB)(2)International Trade Commission(1)Virginia Eastern District Court(1)Shareholder · Lead Counsel · Associate
Rubino IP415Texas Eastern District Court(3)E.D. Tex. (Marshall Division)(1)Patent Trial and Appeal Board (PTAB) of the USPTO(1)co-counsel · of counsel · Back-up Counsel
Thompson Hine235U.S. District Court for the Northern District of Georgia(2)Patent Trial and Appeal Board (PTAB)(1)US District Court, California Northern District Court(1)local counsel · lead counsel · Partner
Scardino5—5U.S. District Court for the Eastern District of Texas(4)Washington Western District Court(1)lead counsel · Local counsel · counsel
Debevoise & Plimpton—55Texas Eastern District Court(3)U.S. District Court for the District of Utah(2)Lead Counsel · counsel · lead trial counsel
Hudnell Law Group415U.S. District Court for the Southern District of New York(2)Patent Trial and Appeal Board (PTAB), U.S. Patent and Trademark Office(1)U.S. District Court for the Western District of Texas(1)lead counsel · Counsel · Counsel for Plaintiff-Appellant
Leydig, Voit & Mayer235U.S. District Court for the Eastern District of Texas(2)U.S. District Court for the District of Delaware(1)U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(1)lead counsel · Counsel · of counsel
Wiggin and Dana415Delaware District Court(3)Patent Trial and Appeal Board (PTAB)(1)Lead Counsel · Of Counsel · lead counsel
Goldstein & Russell5—5U.S. Court of Appeals for the Federal Circuit(2)Virginia Eastern District Court(2)U.S. District Court for the District of Delaware(1)appellate counsel · local counsel · arguing counsel
Keker & Van Nest—55Texas Eastern District Court(2)California Central District Court(1)Rhode Island District Court(1)of counsel · lead counsel · trial counsel
Fabricant, Rubino & Lambrianakos415U.S. District Court for the Eastern District of Texas(3)U.S. District Court for the Western District of Texas(1)U.S. Patent and Trademark Office, Patent Trial and Appeal Board (PTAB)(1)Counsel · lead counsel · counsel
Dovel & Luner5—5Texas Eastern District Court(2)U.S. District Court for the Central District of California(1)U.S. District Court for the District of Delaware(1)Of Counsel · Lead Counsel · lead counsel
Shore Chan DePumpo5—5U.S. District Court for the Eastern District of Texas(2)Texas Western District Court(1)U.S. District Court for the District of Delaware(1)local counsel · lead counsel · counsel
ArentFox Schiff235District of Massachusetts(1)PTAB(1)U.S. District Court for the District of New Jersey(1)counsel · lead counsel · of counsel
Cherian Harkins Dunham325Texas Eastern District Court(2)Court of Appeals for the Federal Circuit(1)Florida Southern District Court(1)Lead Counsel · Counsel · Of Counsel
Armond Wilson325Texas Eastern District Court(2)Delaware District Court(1)Patent Trial and Appeal Board (PTAB)(1)lead counsel · Likely Lead Counsel · Lead Counsel
McDonnell Boehnen Hulbert & Berghoff415District Court for the District of Delaware(4)U.S. District Court, Eastern District of Michigan (Southern Division)(1)Lead Counsel · lead counsel · of counsel
Sheppard Mullin145USPTO Patent Trial and Appeal Board(3)PTAB (IPR)(1)U.S. District Court for the Eastern District of Texas(1)counsel · defense counsel (terminated) · former counsel
Nutter, McClennen & Fish235U.S. District Court for the Northern District of Georgia(2)California Northern District Court(1)U.S. District Court for the District of Massachusetts(1)lead counsel · outside counsel · plaintiffs' counsel
Dunlap Bennett & Ludwig415Texas Western District Court(1)U.S. District Court for the Eastern District of Texas(1)United States Court of Appeals for the Federal Circuit(1)appellate counsel · Lead Counsel · of counsel