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
RatnerPrestia1—1Delaware District Court(1)Local Counsel
United Microelectronics Corporation—11Texas Eastern District Court(1)in-house
Taiwan Semiconductor Manufacturing Company—11Texas Eastern District Court(1)in-house
Alavi & Ana1—1Texas Eastern District Court(1)local counsel · of counsel
Irwin IP—11United States District Court for the Western District of Michigan, Southern Division(1)Counsel
Carlson, Caspers, Vandenburgh & Lindquist1—1US District Court for the District of Delaware(1)lead counsel
GlobalFoundries1—1Patent Trial and Appeal Board (PTAB)(1)in-house
Muncy, Geissler, Olds & Lowe1—1Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office(1)lead counsel
Element IP Law1—1Minnesota District Court(1)Partner · lead counsel · Attorney
The Weingarten Law Firm—11Texas Eastern District Court(1)Local Counsel
Day Pitney1—1U.S. District Court for the Eastern District of Texas(1)Counsel
Nelson Mullins1—1U.S. District Court for the Eastern District of Texas(1)Counsel
Lerner David Littenberg & Krumholz—11Patent Trial and Appeal Board (PTAB)(1)counsel · lead counsel
AJU IPG—11Patent Trial and Appeal Board (PTAB)(1)Patent Attorney
Wilmer Cutler Pickering Hale Dorr—11Patent Trial and Appeal Board (PTAB)(1)lead counsel
Cederoth Law—11U.S. District Court for the District of Delaware(1)Lead Counsel
Rozier Hanner McDonough—11Patent Trial and Appeal Board (PTAB)(1)Lead Counsel · Back-up Counsel
Reichman Jorgensen Lehman & Feldberg and SLC Trial Law1—1Texas Western District Court (W.D. Texas)(1)counsel
Goldman Ismail Tomaselli Brennan & Baum—11Texas Western District Court (W.D. Texas)(1)lead counsel
Wilson Patent Law1—1U.S. District Court for the Western District of Texas(1)Lead Counsel
Ropes & Gray, Sheppard, Mullin, Richter & Hampton—11Texas Northern District Court(1)counsel
Topsoe, Inc.1—1Patent Trial and Appeal Board (PTAB)(1)in-house
Patnstr1—1U.S. District Court for the District of Utah(1)lead counsel
Strong & Hanni—11U.S. District Court for the District of Utah(1)local counsel
The Johnson IP Law Firm—11U.S. District Court for the District of Utah(1)of counsel