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.

1245 firms · 7334 total appearances across 2532 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Nelson Mullins Riley & Scarborough2—2Massachusetts District Court(1)North Carolina Western District Court(1)Local Counsel
Choate Hall & Stewart112Massachusetts District Court(1)U.S. District Court for the District of Delaware(1)Local Counsel · lead counsel
Bernstein IP Strategy112Patent Trial and Appeal Board (PTAB)(2)counsel · Counsel
Wilks Law112District Court for the District of Delaware(1)U.S. Patent and Trademark Office (PTAB)(1)Local Counsel
Merck Sharp & Dohme LLC112New Jersey District Court(1)PTAB (Patent Trial and Appeal Board)(1)in-house · Back-up Counsel (In-house)
Womble Bond Dickinson112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Utah(1)lead counsel · Counsel
Honigman—22Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Utah(1)lead counsel · Counsel
O'Connell Law Office—22Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Utah(1)of counsel · local counsel
Weide & Miller2—2U.S. District Court for the District of Nevada(2)Local Counsel · Lead Counsel / Local Counsel
Wyatt Tarrant & Combs112U.S. District Court for the Western District of Tennessee(1)local counsel
Bryan Cave Leighton Paisner—22Patent Trial and Appeal Board (PTAB), United States Patent and Trademark Office(1)Texas Eastern District Court(1)lead counsel · counsel · Lead Counsel
The Law Offices of Charles B. Molster, III2—2Virginia Eastern District Court(2)lead counsel · local counsel
Dinsmore & Shohl112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(1)Local Counsel · Lead Counsel
Jackson Kelly2—2West Virginia Northern District Court(2)of counsel · Local Counsel
Flaherty Sensabaugh Bonasso—22West Virginia Northern District Court(2)local counsel
Umhofer, Mitchell & King2—2New Jersey District Court(1)U.S. District Court for the Central District of California (transferred to N.D.W. Va.); U.S. Court of Appeals for the Federal Circuit(1)Local Counsel · Local Counsel (initially in C.D. Cal.)
Carey Douglas Kessler & Ruby2—2U.S. District Court for the Northern District of West Virginia(2)local counsel · Local Counsel
Marshall, Gerstein & Borun112District of New Jersey(1)U.S. District Court for the Central District of California (transferred to N.D.W. Va.); U.S. Court of Appeals for the Federal Circuit(1)counsel · lead counsel · Lead Counsel
Goodwin112Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)lead counsel · Of Counsel
Carlson Caspers IP Litigation & Counseling112United States District Court for the District of Minnesota(1)Counsel · Lead Counsel
McCaulley Law Group112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas(1)of counsel · Back-up Counsel
Caldwell Intellectual Property Law2—2Patent Trial and Appeal Board (PTAB)(1)United States District Court for the District of Massachusetts(1)counsel · lead counsel
McDermott Will & Schulte112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Southern District of Iowa(1)Backup Counsel · Lead Counsel · Counsel
McKee Voorhees & Sease—22United States Judicial Panel on Multidistrict Litigation, centralized in the Southern District of Iowa.(2)counsel · Counsel
Thompson Coburn112Missouri Eastern District Court(2)lead counsel · local counsel