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.

1466 firms · 10901 total appearances across 3732 cases with counsel data.

Firm	Plaintiff	Defendant	Total	Top courts	Top roles
McCarter & English	42	12	54	U.S. District Court for the District of Delaware(32)Patent Trial and Appeal Board(10)U.S. Court of Appeals for the Federal Circuit(6)	local counsel · lead counsel · counsel
Duane Morris	15	39	54	Patent Trial and Appeal Board (PTAB)(15)Delaware District Court(10)Texas Eastern District Court(4)	lead counsel · trial counsel · Counsel
Hecht Partners	32	23	55	Patent Trial and Appeal Board(23)U.S. District Court for the Western District of Texas, Waco Division(7)Western District of Texas(6)	lead counsel · counsel · of counsel
Rozier Hardt McDonough	52	4	56	E.D. Tex.(13)Texas Eastern District Court(12)W.D. Tex.(6)	lead counsel · Lead Counsel · local counsel
Jones Day	24	33	57	Patent Trial and Appeal Board (PTAB)(13)Texas Eastern District Court(10)Delaware District Court(5)	lead counsel · back-up counsel · counsel
Kramer Levin Naftalis & Frankel	40	19	59	Patent Trial and Appeal Board (PTAB)(23)U.S. District Court for the Eastern District of Virginia(7)U.S. Court of Appeals for the Federal Circuit(5)	trial counsel · lead counsel · Lead Counsel
O'Melveny & Myers	17	44	61	Patent Trial and Appeal Board (PTAB)(19)Texas Eastern District Court(12)U.S. Court of Appeals for the Federal Circuit(5)	Back-Up Counsel · lead counsel · Counsel
Kilpatrick Townsend & Stockton	29	32	61	Patent Trial and Appeal Board(10)U.S. Court of Appeals for the Federal Circuit(10)Texas Eastern District Court(8)	lead counsel · of counsel · counsel
Desmarais	22	41	63	Texas Eastern District Court(14)Patent Trial and Appeal Board(12)U.S. District Court for the District of Delaware(10)	lead counsel · counsel · Lead Counsel
Haynes and Boone	38	25	63	Patent Trial and Appeal Board (PTAB)(39)U.S. Court of Appeals for the Federal Circuit(8)Texas Western District Court(3)	Counsel · lead counsel · back-up counsel
Richards, Layton & Finger	17	47	64	U.S. District Court for the District of Delaware(46)USPTO Patent Trial and Appeal Board(8)U.S. Court of Appeals for the Federal Circuit(2)	local counsel · Local Counsel · lead counsel
Potter Minton	12	53	65	U.S. District Court for the Eastern District of Texas(45)U.S. District Court for the Eastern District of Texas (Tyler Division)(3)U.S. District Court for the Western District of Texas(3)	local counsel · Local Counsel · counsel
Orrick, Herrington & Sutcliffe	23	42	65	Patent Trial and Appeal Board (PTAB)(12)Texas Eastern District Court(11)U.S. District Court for the District of Delaware(9)	lead counsel · Lead Counsel · Counsel
Bragalone Conroy	47	18	65	USPTO Patent Trial and Appeal Board(19)U.S. District Court for the District of Delaware(15)U.S. District Court for the Eastern District of Texas(14)	lead counsel · back-up counsel · of counsel
Morrison & Foerster	17	49	66	Texas Western District Court(13)Patent Trial and Appeal Board (PTAB)(12)Texas Eastern District Court(11)	Lead Counsel · lead counsel · counsel
Winston & Strawn	20	48	68	Patent Trial and Appeal Board (PTAB)(16)U.S. District Court for the Eastern District of Texas(15)Delaware District Court(7)	lead counsel · Counsel · counsel
Morgan, Lewis & Bockius	24	45	69	Patent Trial and Appeal Board (PTAB)(26)U.S. District Court for the Western District of Texas(6)Texas Eastern District Court(4)	lead counsel · counsel · Counsel
Ramey	70	3	73	Western District of Texas(28)Texas Northern District Court(8)Texas Eastern District Court(7)	lead counsel · of counsel · Lead Counsel
DLA Piper	20	54	74	Patent Trial and Appeal Board (PTAB)(18)Texas Eastern District Court(14)U.S. District Court for the Western District of Texas(8)	lead counsel · Counsel · of counsel
Rabicoff Law	69	6	75	Texas Eastern District Court(33)Texas Western District Court(9)E.D. Tex.(4)	lead counsel · Lead Counsel · of counsel