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.

1449 firms · 10750 total appearances across 3658 cases with counsel data.

Firm	Plaintiff	Defendant	Total	Top courts	Top roles
Patent Law Works	1	—	1	U.S. District Court for the Western District of Texas, Waco Division(1)	prosecution counsel
Novak Druce + Quigg	—	1	1	U.S. District Court for the Southern District of Florida(1)	lead counsel
Richard M. Saccocio	—	1	1	—	counsel for defendant
Green & Green	—	1	1	U.S. District Court for the Southern District of Florida(1)	corporate counsel
Diserio Martin O'Connor & Castiglioni	—	1	1	U.S. District Court for the Southern District of New York; transferred to the U.S. District Court for the District of Massachusetts(1)	listed for Defendant
Seed and Berry	—	1	1	U.S. District Court for the Southern District of New York; transferred to the U.S. District Court for the District of Massachusetts(1)	counsel of record
Collen IP Intellectual Property Law	1	—	1	U.S. District Court for the Southern District of New York; transferred to the U.S. District Court for the District of Massachusetts(1)	of counsel
Collen Law Associates	1	—	1	U.S. District Court for the District of Nevada(1)	outside/lead patent counsel
Quirk & Tratos	1	—	1	U.S. District Court for the District of Nevada(1)	lead trial / local counsel · local counsel
Midlige Richter	—	1	1	U.S. District Court for the District of New Jersey(1)	local counsel
Gray Cary Ware & Freidenrich	1	—	1	U.S. International Trade Commission(1)	lead counsel · counsel of record
Ruttenberg IP Law	—	1	1	U.S. Court of Appeals for the Federal Circuit(1)	counsel (unverified)
Oliff & Berridge	—	1	1	U.S. District Court for the Central District of California(1)	pro hac vice counsel
Perkins Coie / Holland & Knight	—	1	1	E.D. Ky. (Lexington; Judge Karen K. Caldwell)(1)	out-of-state defense counsel, pro hac vice; lead PTAB counsel
Bartko Zankel	—	1	1	U.S. District Court for the Northern District of California(1)	local counsel
Keller Rackauekas Umberg Zipser	1	—	1	U.S. District Court for the Central District of California(1)	local counsel
Nelson Bumgardner Albritton/Conroy	1	—	1	U.S. District Court, W.D. Texas (Waco Division) — Judge Alan D. Albright(1)	lead counsel
Steckler, Wayne, Cochran, Cherry & Love	1	—	1	U.S. District Court for the Western District of Texas, Waco Division(1)	local counsel
Akerman	1	—	1	United States District Court for the Southern District of Florida(1)	lead counsel
Rimon	1	—	1	Patent Trial and Appeal Board(1)	lead counsel · additional counsel