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
Apple Inc.—22California Northern District Court(1)U.S. District Court for the Western District of Texas, Midland/Odessa(1)Senior Litigation Counsel · Chief IP Counsel · Counsel, IP Litigation
Pinckney, Weidinger, Urban & Joyce—22Delaware District Court(1)Patent Trial and Appeal Board (PTAB)(1)local counsel · Local Counsel
Weintraub Genshlea Chediak Sproul—22Patent Trial and Appeal Board (PTAB)(2)Counsel · Attorney for Patent Owner
Dowell Commercial Litigation—22Patent Trial and Appeal Board (PTAB)(2)Lead Counsel
The Law Offices of David A. Gerasimow2—2Texas Eastern District Court(1)Texas Western District Court(1)lead counsel · attorney
DiCello Levitt2—2New York Southern District Court(2)Partner · significant counsel
Tabet Divito & Rothstein112Patent Trial and Appeal Board (PTAB)(1)local counsel · Local Counsel
Groombridge, Wu, Baughman & Stone—22Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)Partner · counsel
Cork Maloney—22Patent Trial and Appeal Board (PTAB)(2)Back-Up Counsel · Counsel
X-Patents—22Delaware District Court(1)Patent Trial and Appeal Board (PTAB)(1)counsel
Walker Stevens Cannom—22Delaware District Court(2)lead counsel · local counsel
Kramer2—2Texas Western District Court(1)U.S. District Court for the Western District of Texas, Waco Division (WDTX)(1)Lead Counsel · Counsel · Partner
Weintraub Tobin Chediak Coleman Grodin Law Corporation2—2U.S. District Court for the Northern District of California(1)U.S. District Court for the Northern District of California, San Jose Division(1)counsel · lead counsel
Fletcher Yoder112Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)Counsel · lead counsel · Lead Counsel
Mintz—22Delaware District Court(2)Lead Counsel · Co-chair of the ITC Practice, Member in IP Litigation Practice
Sills Cummis & Gross112New Jersey District Court(1)PTAB (United States Patent and Trademark Office)(1)lead counsel; local counsel · Local Counsel
Stamoulis & Butsika2—2U.S. District Court for the District of Delaware(2)lead counsel · local counsel
Norton Rose Fulbright112Court of Appeals for the Federal Circuit(1)Texas Eastern District Court(1)of counsel · counsel
Adduci, Mastriani & Schaumberg2—2U.S. District Court for the Eastern District of Virginia(2)local counsel
Ciccarelli Law Firm112Texas Western District Court(1)U.S. District Court for the Eastern District of Virginia(1)Counsel · local counsel
Moore & Van Allen—22North Carolina Western District Court(2)Local Counsel · lead counsel
Resnick & Louis2—2Delaware District Court(1)United States District Court of Delaware(1)counsel · Of Counsel/Local Counsel
The Pitcock Law Group112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas(1)lead counsel · Lead Counsel
Chaudhari Law112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas(1)counsel · Counsel
Young, Conway, Stargatt & Taylor—22District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(2)Counsel for Defendant · local counsel