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
The Chong Law Firm4—4Texas Eastern District Court(2)U.S. District Court for the District of Delaware(2)local counsel · counsel · of counsel
Hill Wallack—33U.S. District Court for the District of New Jersey(3)local counsel · lead counsel · core patent/ANDA counsel
Bryan Cave123U.S. District Court for the Northern District of Georgia(2)U.S. District Court for the Eastern District of Texas, Tyler Division(1)local counsel · outside counsel · lead trial counsel
Mauriel Kapouytian Woods213U.S. District Court for the District of Delaware(1)USPTO Patent Trial and Appeal Board (inter partes review)(1)of counsel · back-up counsel · lead trial counsel
Quinn Emanuel123Patent Trial and Appeal Board, U.S. Patent and Trademark Office(1)U.S. District Court for the Central District of California(1)counsel · team member · lead trial counsel
Mrejen Blinderman3—3U.S. District Court for the Southern District of Florida(3)lead counsel
Nelson Bumgardner3—3United States District Court for the Southern District of New York(1)W.D. Tex.(1)W.D. Tex. (Waco), Judge Alan D. Albright(1)of counsel · lead counsel · back-up PTAB counsel
Troutman Sanders123Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Maryland(1)U.S. District Court, Eastern District of California (Sacramento)(1)local counsel · counsel · IP litigation lead
Silverman, McDonald & Friedman3—3D. Del.(2)D. Del. (Judge Barker)(1)local counsel
Crewse Law Firm3—3N.D. Tex.(2)U.S. District Court for the Northern District of Texas(1)local counsel
Archer & Greiner—33U.S. District Court for the District of Utah(2)U.S. District Court, District of New Jersey (Camden Vicinage)(1)local counsel · former local counsel
Carter Arnett Bennett & Perez123Patent Trial and Appeal Board, U.S. Patent and Trademark Office(3)back-up counsel · lead counsel · former lead counsel
Calfee, Halter & Griswold123Patent Trial and Appeal Board, U.S. Patent and Trademark Office(1)U.S. District Court for the Northern District of Ohio(1)U.S. District Court, Northern District of California (San Jose Division)(1)local counsel · co-counsel
Barcelo, Harrison & Walker213Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Western District of Texas(1)U.S. District Court for the Western District of Texas, Midland-Odessa Division(1)backup counsel · PHV counsel
Phillips, Goldman, McLaughlin & Hall—33U.S. District Court, District of Delaware(2)U.S. District Court, Northern District of California(1)local counsel · counsel of record · Delaware counsel
Ortiz & Lopez3—3California Northern District Court(1)Illinois Northern District Court(1)Texas Eastern District Court(1)lead counsel
Steckler Wayne Cochran Cherry3—3U.S. District Court for the Western District of Texas, Waco Division(2)California Northern District Court(1)Counsel · counsel · local counsel
Fulbright & Jaworski213U.S. District Court for the Eastern District of Texas (Tyler Division)(2)International Trade Commission (ITC)(1)lead counsel · trial counsel · associate
Shutts & Bowen123PTAB(1)Southern District of Florida(1)Counsel · Partner · Senior Associate
RL Drolet Patent Prosecution Services123Patent Trial and Appeal Board (PTAB)(2)Southern District of Florida(1)lead counsel · patent counsel · Lead Counsel