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
Rozier Hardt McDonough	18	4	22	Texas Eastern District Court(12)Texas Western District Court(4)U.S. District Court for the District of Massachusetts(2)	lead counsel · Lead Counsel · local counsel
Devlin Law Firm	20	2	22	Texas Western District Court(5)U.S. District Court for the District of Delaware(4)Patent Trial and Appeal Board (PTAB)(3)	lead counsel · counsel · Counsel
Avantech Law	16	6	22	Patent Trial and Appeal Board (PTAB)(7)Texas Eastern District Court(7)Delaware District Court(5)	lead counsel · counsel · Attorney for Plaintiff (District Court Litigation)
Robins Kaplan	13	9	22	Patent Trial and Appeal Board (PTAB)(8)Texas Eastern District Court(7)United States District Court for the Eastern District of Texas, Marshall Division(3)	counsel · lead counsel · Counsel
Buether Joe & Counselors	19	2	21	U.S. District Court for the Western District of Texas(11)Texas Eastern District Court(4)Delaware District Court(2)	lead counsel · local counsel · of counsel
Norton Rose Fulbright US	7	13	20	Patent Trial and Appeal Board(6)Court of Appeals for the Federal Circuit(4)Texas Western District Court(4)	counsel · Counsel · Back-Up Counsel
Wolf, Greenfield & Sacks	7	13	20	Patent Trial and Appeal Board (PTAB)(7)Massachusetts District Court(3)Texas Eastern District Court(3)	counsel · lead counsel · Counsel
The Stafford Davis Firm	20	—	20	Texas Eastern District Court(13)U.S. District Court for the Western District of Texas(7)	local counsel · Of Counsel · of counsel
Arnold & Porter Kaye Scholer	7	13	20	Patent Trial and Appeal Board (PTAB)(7)California Northern District Court(2)U.S. District Court for the Eastern District of Texas(2)	Counsel · lead counsel · of counsel
Walsh Pizzi O'Reilly Falanga	16	4	20	New Jersey District Court(13)Patent Trial and Appeal Board (PTAB)(3)U.S. District Court in New Jersey(1)	local counsel · Local Counsel · Counsel
Mann \| Tindel \| Thompson	10	9	19	Texas Eastern District Court(14)U.S. District Court for the Western District of Texas(3)California Southern District Court(1)	local counsel · lead counsel · other counsel
Folio Law Group	15	4	19	Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(4)California Central District Court(3)	Lead Counsel · Counsel · counsel
DiNovo Price	16	3	19	U.S. District Court for the Western District of Texas(8)Texas Eastern District Court(7)Patent Trial and Appeal Board (PTAB)(1)	lead counsel · Lead Counsel · Counsel
Reichman Jorgensen Lehman & Feldberg	14	5	19	Texas Western District Court(7)Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Eastern District of Texas(3)	Counsel · lead counsel · counsel
Truelove Law Firm	13	6	19	Texas Eastern District Court(13)Patent Trial and Appeal Board (PTAB)(4)District Court, E.D. Texas(1)	local counsel · Local Counsel · Counsel
Smith, Katzenstein & Jenkins	7	11	18	U.S. District Court for the District of Delaware(14)Patent Trial and Appeal Board (PTAB)(3)U.S. Court of Appeals for the Federal Circuit(1)	local counsel · Local Counsel
Skiermont Derby	9	9	18	Patent Trial and Appeal Board (PTAB)(5)District of Delaware(2)Illinois Northern District Court(2)	Counsel · counsel · lead counsel
Bragalone Olejko Saad	15	2	17	Texas Eastern District Court(14)U.S. District Court for the District of Delaware(1)	lead counsel · Lead Counsel · Counsel
Direction IP Law	17	—	17	Texas Eastern District Court(10)Texas Western District Court(3)U.S. District Court for the District of Delaware(2)	lead counsel · of counsel · Lead Counsel
Brooks Kushman	3	14	17	Patent Trial and Appeal Board (PTAB)(5)Delaware District Court(4)Texas Eastern District Court(2)	Counsel · lead counsel · pro hac vice
McDermott Will & Emery	4	13	17	Patent Trial and Appeal Board (PTAB)(6)U.S. District Court for the District of Delaware(2)U.S. District Court for the Southern District of Iowa(2)	Lead Counsel · lead counsel · Counsel
Merchant & Gould	7	10	17	Wisconsin Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(3)U.S. District Court for the Eastern District of Texas(3)	lead counsel · counsel · Counsel
Fabricant Rubino Lambrianakos	12	5	17	U.S. District Court for the Eastern District of Texas(10)Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Western District of Texas, Waco Division(1)	Counsel · Lead Counsel · lead counsel
The Mort Law Firm	14	2	16	Texas Eastern District Court(6)U.S. District Court for the Western District of Texas(6)U.S. District Court for the District of Delaware(2)	local counsel · of counsel · lead counsel
Buether Joe & Carpenter	16	—	16	Texas Western District Court(7)U.S. District Court for the Eastern District of Texas(5)California Northern District Court(1)	lead counsel · of counsel · counsel