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.

1242 firms · 7315 total appearances across 2525 cases with counsel data.

Firm	Plaintiff	Defendant	Total	Top courts	Top roles
Barceló, Harrison & Walker	1	—	1	Patent Trial and Appeal Board (PTAB)(1)	counsel
Bird Marella	1	—	1	Patent Trial and Appeal Board (PTAB)(1)	counsel
Hill, Kertscher & Pixley	—	1	1	U.S. District Court for the Northern District of Georgia(1)	local counsel
Nelson & Voelker	1	—	1	U.S. District Court for the Eastern District of Texas(1)	Lead Counsel
SHeart IP	1	—	1	U.S. District Court for the Eastern District of Texas(1)	Of Counsel
Gardner Groff Greenwald & Villanueva	—	1	1	U.S. District Court for the Northern District of Georgia(1)	local counsel
Parks IP Law	1	—	1	U.S. District Court for the Northern District of Georgia(1)	local counsel
Heartfield Law Firm	—	1	1	U.S. District Court for the Eastern District of Texas(1)	Local Counsel
Sullivan Blackburn Pratt	1	—	1	U.S. District Court for the Northern District of California(1)	lead counsel · of counsel
Diamond McCarthy	1	—	1	U.S. District Court for the Northern District of California(1)	of counsel · local counsel
Durie Tangri	—	1	1	U.S. District Court for the Northern District of California(1)	Of Counsel
Reza & Associates	1	—	1	U.S. District Court for the Western District of Texas(1)	of counsel
General Motors	—	1	1	U.S. District Court for the Western District of Texas(1)	in-house
Kheyfits & Caira	1	—	1	U.S. District Court for the District of Delaware(1)	lead counsel · of counsel
Ross M. Babbitt Co.	—	1	1	U.S. Patent and Trademark Office, Patent Trial and Appeal Board (PTAB)(1)	Counsel
SledgeLaw	1	—	1	U.S. District Court for the Eastern District of Texas(1)	Local Counsel
Kheyfits Belenky	1	—	1	U.S. District Court for the Southern District of New York(1)	Local Counsel
Personalized Media Communications	—	1	1	U.S. Supreme Court(1)	in-house
Steckler Wayne Cochran	—	1	1	U.S. District Court for the Western District of Texas(1)	of counsel · lead counsel
Blanchard Horton	—	1	1	U.S. District Court for the Eastern District of Tennessee(1)	lead counsel
The Main Law Firm	1	—	1	U.S. District Court for the Eastern District of Texas(1)	Lead Counsel · Of Counsel
McCollough Law Firm	—	1	1	U.S. District Court for the Eastern District of Texas(1)	Lead Counsel
Bell & Associates	—	1	1	U.S. District Court for the Eastern District of Texas(1)	Counsel
Hoffman & Howes	—	1	1	U.S. District Court for the Eastern District of Texas(1)	Lead Counsel
Darrow Mustafa	—	1	1	U.S. District Court for the Western District of Texas(1)	additional counsel