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.

1448 firms · 10708 total appearances across 3641 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Davidson Berquist Jackson & Gowdey224U.S. District Court for the Northern District of Georgia(2)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas, Tyler Division(1)of counsel · outside counsel · attorney of record
Kroub, Silbersher & Kolmykov224PTAB(2)Texas Western District Court(1)U.S. District Court for the Eastern District of Texas(1)Partner · Counsel for Patent Owner · Counsel of Record
Osborn Maledon224Arizona District Court(3)local counsel · Local Counsel
Wilson, Robertson & Vandeventer224Texas Eastern District Court(3)Local Counsel · lead counsel · local counsel
Williams Mullen224Patent 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
Ice Miller134Nevada District Court(2)Patent Trial and Appeal Board (PTAB)(2)Counsel (requested withdrawal) · Of Counsel · counsel
Cadwell Thomas134Delaware District Court(1)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Western District of Louisiana, Monroe Division; transferred to E.D. Tex. as 2:26-cv-00670 (MDL No. 3190)(1)Lead Counsel · Co-Counsel · counsel of record
McDermott Will & Schulte224Patent Trial and Appeal Board (PTAB)(3)U.S. District Court for the District of Delaware(1)Backup Counsel · back-up counsel · lead counsel
Quarles & Brady134Arizona District Court(2)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Southern District of Iowa(1)PTAB counsel · Counsel · lead counsel
Lewis Rice134U.S. District Court for the Eastern District of Missouri(2)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Southern District of Iowa(1)lead counsel · Counsel · of counsel
Wilson Elser Moskowitz Edelman & Dicker134California Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Southern District of New York(1)local counsel · lead counsel · Counsel
Gibbons—44New Jersey District Court(3)Patent Trial and Appeal Board (PTAB)(1)local counsel
Carlson, Caspers, Vandenburgh & Lindquist134Eastern District of Texas(1)Eastern District of Texas (E.D. Tex.)(1)U.S. District Court for the District of Delaware (Judge Richard G. Andrews)(1)lead counsel · of counsel · Counsel
Simon Law Firm4—4Kansas District Court(2)Missouri Western District Court(1)U.S. District Court for the Southern District of Iowa(1)lead counsel · Lead Attorney
Dentons Davis Brown—44Southern District of Iowa(3)U.S. District Court for the Western District of Wisconsin(1)Counsel · counsel · local counsel
Skadden, Arps, Slate, Meagher & Flom—44U.S. District Court for the District of Delaware(2)District of Delaware; U.S. Court of Appeals for the Federal Circuit; U.S. Supreme Court(1)U.S. District Court, District of Utah(1)lead counsel · counsel · Lead Counsel
Rubino Law224Patent Trial and Appeal Board (PTAB)(2)US District Court for the Eastern District of Texas(2)Counsel · Lead Counsel · counsel
Whitestone Law224United States Patent and Trademark Office, Patent Trial and Appeal Board(3)Texas Eastern District Court(1)lead counsel · backup counsel · counsel
Smith, Gambrell & Russell134California Southern District Court(1)N.D. Ill. (Judge John Robert Blakey)(1)Patent Trial and Appeal Board (PTAB)(1)counsel · local counsel · Counsel
MT2 Law Group314United States District Court for the Eastern District of Texas(3)U.S. District Court for the Eastern District of Texas (Lufkin Division)(1)lead counsel · Local Counsel · local counsel