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.

FirmPlaintiffDefendantTotalTop courtsTop roles
Polsinelli7916Patent Trial and Appeal Board (PTAB)(4)Texas Eastern District Court(4)California Southern District Court(1)lead counsel · Lead Counsel · counsel
Troutman Pepper Hamilton Sanders8816Texas Eastern District Court(8)PTAB(3)U.S. District Court for the Eastern District of Virginia(2)Counsel · Lead Counsel · local counsel
Etheridge Law Group14115Texas Eastern District Court(12)Texas Western District Court(3)lead counsel · of counsel · Lead Counsel
Albritton Law Firm12315U.S. District Court for the Eastern District of Texas(11)U.S. Patent and Trademark Office, Patent Trial and Appeal Board(2)Delaware District Court(1)local counsel · Local Counsel · of counsel
Sheppard, Mullin, Richter & Hampton7815Patent Trial and Appeal Board (PTAB)(4)Delaware District Court(3)Texas Western District Court(2)lead counsel · Counsel · counsel of record
Morris James51015U.S. District Court for the District of Delaware(12)Court of Appeals for the Federal Circuit(1)District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(1)local counsel · Local Counsel · lead and local counsel
Scott Douglass & McConnico31215Texas Western District Court(13)Patent Trial and Appeal Board (PTAB)(2)local counsel · Local Counsel · counsel
Bayard11415Delaware District Court(10)District of Delaware; U.S. Court of Appeals for the Federal Circuit; U.S. Supreme Court(2)Patent Trial and Appeal Board (PTAB)(2)local counsel · Local Counsel · Of Counsel / Local Counsel
Patton Tidwell & Culbertson11415Texas Eastern District Court(11)Patent Trial and Appeal Board (PTAB)(2)Texas Western District Court(1)local counsel · Local Counsel · Counsel
Nixon Peabody7815Patent Trial and Appeal Board (PTAB)(6)Michigan Western District Court(2)U.S. District Court for the District of Delaware(2)Counsel · Counsel for Petitioner · counsel
Stamoulis & Associates14—14U.S. District Court for the Eastern District of Texas(6)U.S. District Court for the District of Delaware(3)Court of Appeals for the Federal Circuit(2)lead counsel · Lead Counsel · local counsel
Williams & Connolly13114New Jersey District Court(4)U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(4)Patent Trial and Appeal Board (PTAB)(2)Lead Counsel · lead counsel · Counsel
Akin Gump Strauss Hauer & Feld7714Texas Western District Court(4)Texas Eastern District Court(3)Patent Trial and Appeal Board (PTAB)(2)Counsel · lead counsel · Lead Counsel
Dechert6814Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office (USPTO)(7)New Jersey District Court(3)Delaware District Court(1)lead counsel · of counsel · Counsel
Vinson & Elkins41014Texas Eastern District Court(4)U.S. District Court for the Western District of Texas(4)U.S. Patent and Trademark Office, Patent Trial and Appeal Board(2)Counsel · Lead Counsel · of counsel
White & Case6814Patent Trial and Appeal Board (PTAB)(3)U.S. Court of Appeals for the Federal Circuit(2)U.S. District Court for the Northern District of California(2)lead counsel · counsel · Associate
Dickinson Wright8614Texas Eastern District Court(5)Patent Trial and Appeal Board (PTAB)(3)Arizona District Court(1)Counsel · lead counsel · Lead Counsel
Prince Lobel Tye13114U.S. District Court for the Eastern District of Texas(10)District of Massachusetts(1)Patent Trial and Appeal Board (PTAB)(1)lead counsel · Lead Counsel · Counsel
WilmerHale31013U.S. District Court for the Western District of Texas(5)Court of Appeals for the Federal Circuit(2)Patent Trial and Appeal Board (PTAB)(2)lead counsel · Counsel · of counsel
Paul, Weiss, Rifkind, Wharton & Garrison6713U.S. District Court for the Northern District of West Virginia(3)Patent Trial and Appeal Board (PTAB)(2)U.S. District Court for the District of Delaware(2)lead counsel · counsel · Of Counsel
Shaw Keller8513Delaware District Court(8)Patent Trial and Appeal Board (PTAB)(4)Local Counsel · local counsel · Counsel
Proskauer Rose7613U.S. District Court for the Northern District of Illinois(4)Patent Trial and Appeal Board (PTAB)(3)United States District Court for the District of Colorado(2)lead counsel · Associate Counsel · counsel
Herbert Smith Freehills Kramer (US)31013Patent Trial and Appeal Board (PTAB)(10)Delaware District Court(1)U.S. District Court for the Eastern District of Texas(1)Backup Counsel · Lead Counsel · Counsel
Saul Ewing5712U.S. District Court for the District of Delaware(5)U.S. District Court for the District of New Jersey(4)Court of Appeals for the Federal Circuit(2)Lead Counsel · lead counsel · supporting counsel
Shook, Hardy & Bacon4812California Central District Court(2)U.S. District Court for the District of Delaware(2)U.S. District Court for the Western District of Texas(2)counsel · Lead Counsel · Counsel