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 · 10890 total appearances across 3725 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Bradley Arant Boult Cummings4913Tennessee Middle District Court(2)U.S. District Court for the District of Delaware(2)Court of Appeals for the Federal Circuit(1)lead counsel · Lead 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 · attorney
Barnes & Thornburg4913Illinois Northern District Court(5)Patent Trial and Appeal Board (PTAB)(5)U.S. District Court for the District of Delaware(2)Lead Counsel · Counsel · lead counsel
Shelton Coburn21113U.S. District Court for the Western District of Texas(4)Patent Trial and Appeal Board (PTAB)(3)U.S. District Court for the Western District of Texas, Waco Division; continued in Austin Division(3)local counsel · lead counsel · counsel
Bryan Cave Leighton Paisner31013U.S. Patent and Trademark Office, Patent Trial and Appeal Board(5)U.S. Court of Appeals for the Federal Circuit(2)Texas Eastern District Court(1)lead counsel · district court counsel · district-court counsel
Kaleo Legal31013Virginia Eastern District Court(4)U.S. District Court for the Eastern District of Virginia (Norfolk Division)(3)Patent Trial and Appeal Board (PTAB)(2)local counsel · local counsel / of counsel · lead local counsel
Tensegrity Law Group11314U.S. District Court, Central District of California(4)U.S. District Court for the District of Delaware(3)USPTO Patent Trial and Appeal Board(3)trial counsel · lead counsel · pro hac vice
Holland & Knight6814Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(5)Florida Middle District Court(1)lead counsel · Lead Counsel · Backup 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
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
The Shore Firm12214Texas Western District Court(6)USPTO Patent Trial and Appeal Board(3)Delaware District Court(2)Counsel · lead counsel · Lead Counsel
Wisnia5914U.S. District Court for the Southern District of New York(3)USPTO Patent Trial and Appeal Board(3)PTAB (IPR)(1)lead counsel · lead trial counsel · counsel
Etheridge Law Group14115Texas Eastern District Court(12)Texas Western District Court(3)lead counsel · of counsel · Lead Counsel
Fitch, Even, Tabin & Flannery9615Patent Trial and Appeal Board (PTAB)(6)U.S. Court of Appeals for the Federal Circuit(2)U.S. District Court for the Eastern District of New York(2)lead counsel · counsel · backup counsel
Paul, Weiss, Rifkind, Wharton & Garrison7815Delaware District Court(3)Patent Trial and Appeal Board (PTAB)(3)U.S. District Court for the Northern District of West Virginia(3)counsel · lead counsel · Of Counsel
Dickinson Wright8715Texas Eastern District Court(5)Patent Trial and Appeal Board (PTAB)(3)Arizona District Court(1)Counsel · lead counsel · Lead 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
Ward & Smith Law Firm15—15U.S. District Court for the Eastern District of Texas(9)United States District Court for the Eastern District of Texas, Marshall Division(4)U.S. District Court for the District of Delaware(1)local counsel · Local Counsel · co-counsel
Feinberg Day Alberti & Thompson14115U.S. District Court for the Western District of Pennsylvania(4)U.S. District Court for the Eastern District of Virginia(2)N.D. Cal. (Judge Edward J. Davila)(1)trial counsel · of counsel · lead counsel
Steptoe & Johnson31215Patent Trial and Appeal Board(4)U.S. District Court for the Northern District of California(4)Texas Eastern District Court(2)Counsel · local counsel · counsel