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.

1248 firms · 7345 total appearances across 2538 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Volpe & Koenig—33Patent Trial and Appeal Board (PTAB)(2)D. Del.(1)of counsel · counsel
Banie & Ishimoto213California Central District Court(1)U.S. District Court(1)U.S. District Court for the Eastern District of Texas(1)lead counsel · counsel · Counsel
Dickstein Shapiro3—3Court of Appeals for the Federal Circuit(1)New York Southern District Court(1)U.S. District Court for the Eastern District of Virginia(1)Of Counsel · pro hac vice · Trial Counsel
Feinberg Day Alberti & Thompson213U.S. District Court for the Eastern District of Virginia(2)U.S. District Court(1)lead counsel · Counsel · of counsel
Unified Patents Inc.3—3Patent Trial and Appeal Board (PTAB)(3)in-house · in-house counsel · Senior Patent Counsel
Blank Rome213Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)U.S. District Court for the District of Delaware(1)Counsel · of counsel · lead counsel
Shumaker, Loop & Kendrick123U.S. Court of Appeals for the Federal Circuit (CAFC)(1)U.S. District Court for the Northern District of Ohio(1)U.S. District Court for the Western District of North Carolina(1)Lead Counsel · Of Counsel · Associate
Samsung Electronics—33U.S. District Court for the Eastern District of Texas(3)in-house · Principal Legal Counsel
Lane Powell213U.S. District Court for the Western District of Washington(2)local counsel
Smith, Gambrell & Russell123California Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Northern District of Ohio(1)counsel · Counsel · lead counsel
Debevoise & Plimpton—33Texas Eastern District Court(3)Lead Counsel · counsel · Counsel
Allen Gardner Law123Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)Local Counsel · Attorney
Whitestone Law213Patent Trial and Appeal Board (PTAB)(2)Texas Eastern District Court(1)lead counsel · counsel
Rubino IP213US District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB) of the USPTO(1)Back-up Counsel · counsel · lead counsel
Slater Matsil3—3New York Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)attorney · Of Counsel · Lead Counsel
Haug Partners123District of Delaware(2)Patent Trial and Appeal Board (PTAB)(1)of counsel · Lead Counsel · lead counsel
Skadden, Arps, Slate, Meagher & Flom—33U.S. District Court for the District of Delaware(2)District of Delaware; U.S. Court of Appeals for the Federal Circuit; U.S. Supreme Court(1)lead counsel · counsel · Lead Counsel
Belin McCormick—33U.S. District Court for the Southern District of Iowa(2)Kansas District Court(1)Counsel · local counsel · co-counsel
Weiss Arons213PTAB (Patent Trial and Appeal Board)(1)Texas Western District Court(1)lead counsel · back-up counsel · Lead Counsel
Gibbons PC—33New Jersey District Court(2)Patent Trial and Appeal Board (PTAB)(1)local counsel · counsel · lead counsel
Ross213California Central District Court(2)Patent Trial and Appeal Board (PTAB)(1)counsel · counsel of record · Counsel
Wilson Elser Moskowitz Edelman & Dicker123California Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)local counsel · Counsel
O'Kelly & O'Rourke123Patent Trial and Appeal Board (PTAB), United States Patent and Trademark Office (USPTO)(2)Delaware District Court(1)counsel · Counsel · local counsel
Lewis Rice123Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Missouri(1)U.S. District Court for the Southern District of Iowa(1)lead counsel · Counsel · counsel
Ahmad, Zavitsanos, Anaipakos, Alavi & Mensing3—3United States District Court for the Eastern District of Texas(2)U.S. District Court for the Eastern District of Texas, Marshall Division(1)Counsel · Lead Counsel