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
Thompson Hine123Patent Trial and Appeal Board (PTAB)(1)US District Court, California Northern District Court(1)Western District of Texas(1)lead counsel · Partner · counsel (to be admitted pro hac vice)
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
Carlson, Caspers, Vandenburgh & Lindquist123Eastern District of Texas(1)Eastern District of Texas (E.D. Tex.)(1)US District Court for the District of Delaware(1)lead counsel · Counsel · of 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
Ice Miller123Nevada District Court(2)Patent Trial and Appeal Board (PTAB)(1)Counsel (requested withdrawal) · Of Counsel · counsel
Carmichael IP—33Patent Trial and Appeal Board (PTAB)(3)Other Counsel · Attorney for Patent Owner · Lead Counsel
Buchalter123California Central District Court(1)U.S. District Court for the Northern District of Georgia(1)Counsel · local counsel
Weintraub Tobin Law Corporation—33Patent Trial and Appeal Board (PTAB)(3)lead counsel · back-up counsel · Lead Counsel
Barclay Damon213New York Southern District Court(2)Delaware District Court(1)significant counsel · Partner, Co-chair of IP Litigation Practice · Counsel
Hueston Hennigan213Minnesota District Court(1)Patent Trial and Appeal Board (PTAB)(1)lead counsel · counsel · Partner
Edell, Shapiro & Finnan213Patent Trial and Appeal Board (PTAB)(2)counsel · lead counsel
Ramey & Schwaller3—3Texas Western District Court(2)Texas Eastern District Court(1)Counsel · Lead Counsel · lead counsel
Law Office of R. Alan Burnett123Patent Trial and Appeal Board (PTAB)(1)United States Court of Appeals for the Federal Circuit(1)United States Patent and Trademark Office (USPTO)(1)lead counsel · Counsel
Mitchell & Company—33District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(2)District of Delaware(1)Counsel for Defendant · counsel · Lead Counsel