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 · 10871 total appearances across 3717 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Wolf Greenfield235Patent Trial and Appeal Board (PTAB)(2)International Trade Commission(1)Virginia Eastern District Court(1)Shareholder · Lead Counsel · Associate
Lando & Anastasi325Patent Trial and Appeal Board (PTAB)(2)Delaware District Court(1)Massachusetts District Court(1)Lead Counsel · Back-up Counsel · counsel
Meunier Carlin & Curfman235Patent Trial and Appeal Board (PTAB)(3)Massachusetts District Court(1)U.S. District Court for the District of Delaware(1)counsel · Of Counsel · Counsel for Patent Owner
Greene Espel325Minnesota District Court(2)Patent Trial and Appeal Board (PTAB)(2)local counsel · counsel · Local Counsel
Carmichael IP145Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the District of Delaware(1)backup counsel · Other Counsel · Attorney for Patent Owner
Bartlit Beck325U.S. Court of Appeals for the Federal Circuit(2)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Delaware(1)Lead Counsel · counsel · Counsel
Greenblum & Bernstein235U.S. District Court for the District of Delaware(2)Texas Eastern District Court(1)U.S. District Court for the Western District of Washington (removed from Washington Superior Court, King County)(1)of counsel · lead counsel · counsel
Hatch Law235California Northern District Court(2)C.D. Cal.(1)California Central District Court(1)counsel · Counsel · local counsel
Hillyer Legal325California Central District Court(4)lead counsel · of counsel · Director of Litigation
Ballard Spahr145Texas Western District Court(3)E.D. Pa.(1)Texas Eastern District Court(1)Counsel · defense counsel · Associate Counsel
Steckler Wayne Cherry & Love235Texas Western District Court(2)U.S. Court of Appeals for the Federal Circuit(1)United States Patent and Trademark Office, Patent Trial and Appeal Board(1)local counsel · Local Counsel
Altima Advisors/Attorneys325United States District Court for the Western District of Texas(3)Patent Trial and Appeal Board (PTAB)(2)Lead Counsel · PTAB lead counsel · back-up counsel
Bey & Cotropia415U.S. District Court for the Eastern District of Virginia, Norfolk Division(2)Patent Trial and Appeal Board (PTAB)(1)U.S. Court of Appeals for the Federal Circuit(1)appellate counsel · Local Counsel
Haley & Olson5—5U.S. District Court, Western District of Texas (Waco Division)(3)Patent Trial and Appeal Board(1)U.S. Court of Appeals for the Federal Circuit(1)local counsel · Local Counsel · lead local counsel
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
PV Law235Patent Trial and Appeal Board (PTAB)(3)Texas Eastern District Court(2)lead counsel · back-up counsel · backup counsel
Fisch Sigler325Patent Trial and Appeal Board (PTAB)(3)C.D. Cal.(1)U.S. District Court for the Central District of California (Judge James V. Selna)(1)lead counsel · back-up counsel · of counsel
Budo Law5—5E.D. Tex.(2)C.D. Cal.(1)U.S. District Court for the Central District of California(1)lead counsel
Carrington Coleman Sloman & Blumenthal145United States Patent and Trademark Office, Patent Trial and Appeal Board(2)U.S. Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Texas(1)lead counsel · counsel for Compass Bank · patent counsel
Cadwalader, Wickersham & Taft—55United States District Court for the Western District of Tennessee, Memphis Division(2)W.D. Tenn.(2)United States District Court for the Western District of Tennessee(1)lead counsel · defense counsel · counsel