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
Ice Miller123Nevada District Court(2)Patent Trial and Appeal Board (PTAB)(1)Counsel (requested withdrawal) · Of Counsel · 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
Zuber Lawler & Del Duca—33District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(2)District of Delaware(1)Counsel for Defendant · counsel · Lead Counsel
Ballard Spahr123Texas Western District Court(2)Texas Eastern District Court(1)Counsel · Associate Counsel
RL Drolet Patent Prosecution Services123Patent Trial and Appeal Board (PTAB)(2)Southern District of Florida(1)lead counsel · patent counsel · Lead Counsel
Shutts & Bowen123PTAB(1)Southern District of Florida(1)Counsel · Partner · Senior Associate
Bey & Cotropia213Patent Trial and Appeal Board (PTAB)(1)U.S. Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Virginia, Norfolk Division(1)Local Counsel · appellate 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
Gray Reed & McGraw224Texas Eastern District Court(4)counsel · lead counsel · local counsel
Flaster Greenberg314PTAB (Patent Trial and Appeal Board)(2)Court of Appeals for the Federal Circuit(1)North Carolina Middle District Court(1)Counsel for Petitioner · of counsel · counsel
Thorpe North & Western134Utah District Court(2)Court of Appeals for the Federal Circuit (CAFC)(1)lead counsel · counsel · Counsel
Global IP Law Group4—4Texas Western District Court(2)U.S. District Court for the Eastern District of Texas(1)U.S. District Court for the Northern District of Illinois, Eastern Division(1)Lead Counsel · lead counsel · local counsel
Spangler Law4—4Texas Eastern District Court(3)E.D. Tex.(1)local counsel · lead counsel · of counsel
Austin Hansley4—4Texas Eastern District Court(4)lead counsel · Local Counsel · counsel