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.

1249 firms · 7347 total appearances across 2539 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Fabricant, Rubino & Lambrianakos415U.S. District Court for the Eastern District of Texas(3)U.S. District Court for the Western District of Texas(1)U.S. Patent and Trademark Office, Patent Trial and Appeal Board (PTAB)(1)Counsel · lead counsel · counsel
Nyemaster Goode5—5U.S. District Court for the Southern District of Iowa(2)U.S. District Court for the District of Arizona(1)U.S. District Court for the District of Utah(1)Local Counsel · lead counsel · local counsel
Parsons Behle & Latimer415U.S. District Court for the District of Utah(5)local counsel
Hatch Law Group415U.S. District Court for the District of Utah(5)local counsel · Local Counsel · Counsel
Keker & Van Nest—55Texas Eastern District Court(2)California Central District Court(1)Rhode Island District Court(1)of counsel · lead counsel · trial counsel
Brown Rudnick235Patent Trial and Appeal Board (PTAB)(3)California Central District Court(1)U.S. District Court for the District of Massachusetts(1)Counsel · Partner · local counsel
Munger, Tolles & Olson145U.S. Court of Appeals for the Federal Circuit(2)PTAB(1)U.S. District Court for the Central District of California(1)co-lead counsel · Likely partner or senior associate · Counsel
Wiggin and Dana415Delaware District Court(3)Patent Trial and Appeal Board (PTAB)(1)Lead Counsel · Of Counsel · lead counsel
Shelton Coburn145US District Court for the Western District of Texas(3)United States District Court for the Eastern District of Texas(2)lead counsel · counsel · local counsel
Cahill Gordon & Reindel235Texas Western District Court(2)E.D. Texas(1)U.S. District Court for the District of Delaware(1)Lead Counsel · Counsel of record · lead counsel
Hunton Andrews Kurth235U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB)(1)Virginia Eastern District Court(1)Of Counsel · local counsel · Counsel
Scardino5—5U.S. District Court for the Eastern District of Texas(4)Washington Western District Court(1)lead counsel · Local counsel · counsel
Lando & Anastasi325Patent Trial and Appeal Board (PTAB)(2)Delaware District Court(1)Massachusetts District Court(1)Lead Counsel · Back-up Counsel · counsel
Cozen O'Connor415Patent Trial and Appeal Board (PTAB)(2)California Central District Court(1)New Jersey District Court(1)lead counsel · Counsel for Plaintiff · counsel
Caldwell Cassady Curry325Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)U.S. District Court for the District of Arizona(1)lead counsel · Attorney for Plaintiff · Lead Counsel
Williams Mullen235Patent Trial and Appeal Board (PTAB) of the USPTO(2)North Carolina Eastern District Court(1)North Carolina Middle District Court(1)local counsel · Local Counsel · Of Counsel
Gemini Law145Patent Trial and Appeal Board (PTAB)(2)U.S. District Court for the District of Delaware(2)District of New Jersey(1)counsel · lead counsel · respondent counsel
Hillyer Legal325California Central District Court(4)lead counsel · of counsel · Director of Litigation
Motieka & Audzevicius145Patent Trial and Appeal Board(2)Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Texas(1)counsel · local counsel
McGuireWoods336Texas Eastern District Court(3)U.S. District Court for the District of Delaware(1)U.S. District Court for the Northern District of Illinois(1)local counsel · lead counsel · Lead Counsel
Davis Firm426Patent Trial and Appeal Board (PTAB)(3)District Court, E.D. Texas(1)Texas Eastern District Court(1)local counsel · Counsel for Petitioner · counsel
Womble Bond Dickinson (US)426U.S. District Court for the District of Delaware(2)U.S. Patent Trial and Appeal Board (PTAB)(2)Court of Appeals for the Federal Circuit(1)Of Counsel · pro hac vice counsel · counsel
Crowell & Moring246Patent Trial and Appeal Board (PTAB)(2)Court of Appeals for the Federal Circuit(1)Delaware District Court(1)counsel · Lead Counsel · lead counsel
Sullivan & Cromwell336Patent Trial and Appeal Board (PTAB)(2)Virginia Eastern District Court(2)U.S. District Court for the Eastern District of Virginia, Norfolk Division(1)Counsel · Appellate Counsel · lead counsel
Charhon, Callahan, Robson & Garza156Patent Trial and Appeal Board(2)Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Texas(1)counsel · lead counsel · Likely Local Counsel