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 · 10783 total appearances across 3672 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
ChandlerPC—11U.S. District Court for the Eastern District of Texas, Marshall Division(1)local counsel
The Boothe Law Firm1—1U.S. District Court for the Eastern District of Texas, Marshall Division(1)local counsel
Acronis—11District of Massachusetts(1)In-house Counsel
CSW Intellectual Property Law1—1E.D. Texas(1)Counsel
Hemingway & Hansen1—1U.S. District Court for the Western District of Texas(1)Counsel
Buchanan Ingersoll & Rooney—11District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(1)Counsel for Defendant
Arent Fox—11District of Massachusetts(1)IPR counsel
Federal Trade Commission1—1Federal Trade Commission (administrative complaint)(1)Director of the Bureau of Consumer Protection
Ferraiuoli1—1Florida Middle District Court(1)lead counsel · co-counsel · local counsel
Pitcock Law Group1—1U.S. District Court for the Eastern District of Texas(1)Lead Counsel
Reyes Browne Reilley1—1U.S. District Court for the Eastern District of Texas(1)Lead Counsel
O'Keefe, Egan & Peterman1—1U.S. District Court for the Eastern District of Texas(1)lead counsel
Rothwell Figg—11U.S. District Court for the Eastern District of Texas(1)counsel
Carolla Digital—11U.S. District Court(1)in-house counsel
Electronic Frontier Foundation1—1Patent Trial and Appeal Board (PTAB)(1)Staff Attorney
Michael D. Smith1—1U.S. District Court for the Eastern District of Texas (Lufkin Division)(1)counsel
Kenealy Vaidya—11Florida Southern District Court(1)of counsel
Patterson Law Group1—1Florida Southern District Court(1)lead counsel
Lewis Brisbois1—1United States District Court of Delaware(1)local counsel
Baker Donelson1—1United States District Court for the Eastern District of Virginia(1)Counsel