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
Katzoff & Riggs	—	1	1	U.S. District Court for the Southern District of California(1)	lead counsel
Rutan & Tucker	—	1	1	U.S. District Court for the Southern District of California(1)	lead counsel
Nicholson De Vos Webster & Elliott	1	—	1	U.S. Court of Appeals for the Federal Circuit(1)	of counsel
Hardy Parrish Yang	—	1	1	U.S. Court of Appeals for the Federal Circuit(1)	Lead Counsel · Of Counsel
Pulman, Cappuccio & Pullen	—	1	1	U.S. District Court for the Northern District of California(1)	local counsel
Tadlock Law Firm	1	—	1	U.S. District Court for the Eastern District of Texas(1)	counsel
Sullivan & Worcester	—	1	1	U.S. District Court for the Eastern District of Texas(1)	counsel
The Eichmann Law Firm	1	—	1	U.S. District Court for the Eastern District of Texas(1)	lead counsel
The L'Isle Law Firm	1	—	1	U.S. District Court for the Eastern District of Texas(1)	of counsel
Falcon Intellectual Property	1	—	1	U.S. District Court for the Eastern District of Texas(1)	of counsel
Milbank, Tweed, Hadley & McCloy	—	1	1	U.S. District Court for the Eastern District of Texas(1)	Lead Counsel · Of Counsel
Zimmerman & Weiser	1	—	1	U.S. District Court for the Northern District of Illinois, Eastern Division(1)	lead counsel
SML Avvocati	1	—	1	U.S. District Court for the Southern District of California(1)	lead counsel
Niknia Law Firm	1	—	1	U.S. District Court for the Central District of California(1)	counsel
Sneed	—	1	1	U.S. District Court for the Central District of California(1)	Lead Counsel
Troupis Law Office	1	—	1	U.S. District Court for the Central District of California(1)	Lead Counsel · Of Counsel
Law Offices of Jason P. Dollard	1	—	1	U.S. District Court for the Central District of California(1)	Of Counsel
LTL Attorneys	—	1	1	U.S. District Court for the Central District of California(1)	lead counsel · of counsel
Independent/Consultant	1	—	1	U.S. Patent Trial and Appeal Board (PTAB)(1)	back-up counsel
Blackbird Tech LLC (d/b/a Blackbird Technologies)	1	—	1	U.S. District Court for the District of Delaware(1)	lead counsel · counsel
Blackbird Tech	1	—	1	U.S. District Court for the District of Delaware(1)	Lead Counsel
U.S. Department of Justice, Civil Division	—	1	1	U.S. Court of Federal Claims(1)	of counsel · lead counsel
Gutride Safier	1	—	1	Delaware District Court(1)	of counsel
Derickson & Associates	1	—	1	Delaware District Court(1)	lead counsel
Beltran & O'Brien	1	—	1	Delaware District Court(1)	of counsel