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.

1449 firms · 10730 total appearances across 3648 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Patterson Thuente IP112California Northern District Court(1)PTAB(1)Counsel
Klarquist2—2United States District Court for the Western District of Texas, Waco Division(1)Washington Western District Court(1)local counsel · Lead Counsel
Lee & Ko—22Eastern District of Texas, Marshall Division(2)Counsel · Lead Counsel · Korean Counsel
Skipper Law112Eastern District of Texas, Marshall Division(1)Patent Trial and Appeal Board (PTAB)(1)lead counsel · counsel
Schwegman Lundberg & Woessner—22Patent Trial and Appeal Board (PTAB)(2)of counsel · lead 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
Carlson Caspers IP Litigation & Counseling112United States District Court for the District of Minnesota(1)Counsel · Lead Counsel
Goodwin112Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)lead counsel · Of 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)trial counsel · lead trial counsel; liaison counsel · counsel
Carey Douglas Kessler & Ruby2—2U.S. District Court for the Northern District of West Virginia(2)local counsel · 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.)
Flaherty Sensabaugh Bonasso—22West Virginia Northern District Court(2)local counsel
Jackson Kelly2—2West Virginia Northern District Court(2)of counsel · Local Counsel
Dinsmore & Shohl2—2Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Kentucky, Lexington Division(1)local counsel · Lead Counsel
Haynes Boone2—2Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)Appellate Counsel · lead counsel
The Law Offices of Charles B. Molster, III2—2Virginia Eastern District Court(2)lead counsel · local counsel
Weide & Miller2—2U.S. District Court for the District of Nevada(2)Local Counsel · Lead Counsel / Local 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
Womble Bond Dickinson112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Utah(1)lead counsel · Counsel
Merck Sharp & Dohme LLC112New Jersey District Court(1)PTAB (Patent Trial and Appeal Board)(1)in-house · Back-up Counsel (In-house)