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.

1447 firms · 10650 total appearances across 3619 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Keker, Van Nest & Peters31316Delaware District Court(5)U.S. District Court for the Northern District of California(3)U.S. District Court for the Western District of Texas(3)lead counsel · Counsel · pro hac vice
Buether Joe & Carpenter16—16Texas 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
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
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
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
Patton Tidwell & Culbertson11415Texas Eastern District Court(11)Patent Trial and Appeal Board (PTAB)(2)Texas Western District Court(1)local counsel · Local Counsel · Counsel
Dickinson Wright8715Texas Eastern District Court(5)Patent Trial and Appeal Board (PTAB)(3)Arizona District Court(1)Counsel · lead counsel · Lead 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
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
Albritton Law Firm13215U.S. District Court for the Eastern District of Texas(11)Delaware District Court(1)U.S. District Court for the Eastern District of Texas, Tyler Division(1)local counsel · Local Counsel · of counsel
Etheridge Law Group14115Texas Eastern District Court(12)Texas Western District Court(3)lead counsel · of counsel · Lead Counsel
Saul Ewing8715U.S. District Court for the District of New Jersey(6)U.S. District Court for the District of Delaware(4)Court of Appeals for the Federal Circuit(3)local 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
The Shore Firm12214Texas Western District Court(6)USPTO Patent Trial and Appeal Board(3)Delaware District Court(2)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
Heyman Enerio Gattuso & Hirzel31114Delaware District Court(10)D. Del.(1)D. Del. (Judge Noreika)(1)local counsel · Local Counsel · lead 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
Holland & Knight6814Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(5)Florida Middle District Court(1)lead counsel · Lead Counsel · Backup 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
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