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 · 10730 total appearances across 3648 cases with counsel data.

Firm	Plaintiff	Defendant	Total	Top courts	Top roles
Rivkin Radler	3	—	3	U.S. District Court for the District of New Jersey(2)Texas Eastern District Court(1)	local counsel · supporting · Counsel
Ross	2	1	3	California Central District Court(2)Patent Trial and Appeal Board (PTAB)(1)	counsel · counsel of record · Counsel
Honigman	—	3	3	Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Utah(1)U.S. District Court for the Eastern District of Michigan (Detroit); originally E.D. Tex.(1)	local counsel · lead counsel · Counsel
Weiss Arons	2	1	3	PTAB (Patent Trial and Appeal Board)(1)Texas Western District Court(1)	lead counsel · back-up counsel · Lead Counsel
Belin McCormick	—	3	3	U.S. District Court for the Southern District of Iowa(2)Kansas District Court(1)	Counsel · local counsel · co-counsel
Haug Partners	2	1	3	Patent Trial and Appeal Board (PTAB)(2)District of Delaware(1)	of counsel · Lead Counsel · lead counsel
Slater Matsil	3	—	3	New York Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)	attorney · Of Counsel · Lead Counsel
Allen Gardner Law	1	2	3	Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)	Local Counsel · Attorney
Hunton Andrews Kurth	2	1	3	U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB)(1)	Of Counsel · Counsel · counsel
Lane Powell	2	1	3	U.S. District Court for the Western District of Washington(2)	local counsel
Samsung Electronics US IP Center	1	2	3	U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB)(1)	in-house
Blank Rome	2	1	3	Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)U.S. District Court for the District of Delaware(1)	Counsel · of counsel · lead counsel
Unified Patents Inc.	3	—	3	Patent Trial and Appeal Board (PTAB)(3)	in-house · in-house counsel · Senior Patent Counsel
Dickstein Shapiro	3	—	3	Court of Appeals for the Federal Circuit(1)New York Southern District Court(1)U.S. District Court for the Eastern District of Virginia(1)	Of Counsel · pro hac vice · Trial Counsel
Volpe & Koenig	—	3	3	Patent Trial and Appeal Board (PTAB)(2)D. Del.(1)	of counsel · counsel
Nix Patterson	3	—	3	U.S. District Court for the Eastern District of Texas(3)	lead or co-counsel · Lead Trial Counsel · Lead Counsel
Law Office of T. John Ward, Jr.	3	—	3	U.S. District Court for the Eastern District of Texas(2)U.S. District Court for the Eastern District of Texas (Tyler Division)(1)	local counsel · of counsel
Troutman Pepper	2	1	3	U.S. District Court for the Eastern District of Texas(1)U.S. District Court for the Western District of Texas(1)U.S. District Court for the Western District of Texas, Waco Division(1)	merits counsel · Lead Counsel · lead counsel
Kelley Drye & Warren	1	2	3	Delaware District Court(1)U.S. District Court for the District of New Jersey(1)U.S. District Court for the Eastern District of Texas(1)	counsel · lead counsel · of counsel
Brinks Gilson & Lione	—	3	3	U.S. International Trade Commission(2)U.S. District Court for the Eastern District of Texas(1)	lead counsel · counsel