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.

1280 firms · 7744 total appearances across 2683 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
AddyHart415Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Central District of California(1)U.S. District Court for the Eastern District of Virginia(1)lead counsel · Lead Counsel · of counsel
Fabricant, Rubino & Lambrianakos415U.S. District Court for the Eastern District of Texas(3)U.S. District Court for the Western District of Texas(1)U.S. Patent and Trademark Office, Patent Trial and Appeal Board (PTAB)(1)Counsel · lead counsel · counsel
Nyemaster Goode5—5U.S. District Court for the Southern District of Iowa(2)U.S. District Court for the District of Arizona(1)U.S. District Court for the District of Utah(1)Local Counsel · lead counsel · local counsel
Parsons Behle & Latimer415U.S. District Court for the District of Utah(5)local counsel
Hatch Law Group415U.S. District Court for the District of Utah(5)local counsel · Local Counsel · Counsel
Keker & Van Nest—55Texas Eastern District Court(2)California Central District Court(1)Rhode Island District Court(1)of counsel · lead counsel · trial counsel
Munger, Tolles & Olson145U.S. Court of Appeals for the Federal Circuit(2)PTAB(1)U.S. District Court for the Central District of California(1)co-lead counsel · Likely partner or senior associate · Counsel
Wiggin and Dana415Delaware District Court(3)Patent Trial and Appeal Board (PTAB)(1)Lead Counsel · Of Counsel · lead counsel
Shelton Coburn145US District Court for the Western District of Texas(3)United States District Court for the Eastern District of Texas(2)lead counsel · counsel · local counsel
Hunton Andrews Kurth235U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB)(1)Virginia Eastern District Court(1)Of Counsel · local counsel · Counsel
Scardino5—5U.S. District Court for the Eastern District of Texas(4)Washington Western District Court(1)lead counsel · Local counsel · counsel
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
Foley Hoag—55Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the District of Massachusetts(1)Lead Counsel · Counsel · Back-up Counsel
Caldwell Cassady Curry325Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)U.S. District Court for the District of Arizona(1)lead counsel · Attorney for Plaintiff · Lead Counsel
Williams Mullen235Patent 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
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
Gemini Law145Patent Trial and Appeal Board (PTAB)(2)U.S. District Court for the District of Delaware(2)District of New Jersey(1)counsel · lead counsel · respondent counsel
Hillyer Legal325California Central District Court(4)lead counsel · of counsel · Director of Litigation
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
The Chong Law Firm4—4Texas Eastern District Court(2)U.S. District Court for the District of Delaware(2)local counsel · counsel · of counsel
Taft Stettinius & Hollister224Court of Appeals for the Federal Circuit(1)Louisiana Eastern District Court(1)Texas Eastern District Court(1)lead counsel · local counsel · potential counsel
The Zimmerman Firm224Texas Eastern District Court(2)Patent Trial and Appeal Board(1)Texas Western District Court(1)lead counsel · Lead Counsel · Counsel
Ni, Wang & Massand314U.S. District Court for the Western District of Texas(2)Court of Appeals for the Federal Circuit(1)U.S. District Court for the District of Delaware (transferred from E.D.N.Y.)(1)of counsel · local counsel · lead counsel
Troutman Pepper Locke224North Carolina Middle District Court(1)Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)Back-up Counsel · lead counsel · of counsel