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.

1245 firms · 7334 total appearances across 2532 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
von Briesen & Roper1—1PTAB (Patent Trial and Appeal Board)(1)counsel
Seitz, Van Ogtrop & Green1—1Delaware District Court(1)local counsel
Lyft, Inc.—11U.S. District Court for the District of Delaware(1)General Counsel · Senior IP Counsel · In-house counsel
DeMent and Marquardt1—1Patent Trial and Appeal Board (PTAB)(1)—
Hamilton, Brook, Smith & Reynolds—11Patent Trial and Appeal Board (PTAB)(1)lead counsel · first back-up counsel
Jumio Corporation—11California Northern District Court(1)in-house
Alan Sege Esq.—11California Northern District Court(1)counsel
Alan Sege—11California Northern District Court(1)Counsel
Law Office of Michael A. Sanzo1—1Patent Trial and Appeal Board (PTAB)(1)of counsel
Parker Poe Adams & Bernstein—11North Carolina Western District Court(1)Lead Counsel
Ward and Smith1—1Patent Trial and Appeal Board (PTAB)(1)lead counsel
Mazura Law Firm1—1California Southern District Court(1)Counsel
Coe & Berbarian—11Delaware District Court(1)Local Counsel
Dell Technologies, Inc.—11U.S. District Court for the Western District of Texas; U.S. Court of Appeals for the Federal Circuit(1)in-house
Fisch Sigler1—1Patent Trial and Appeal Board (PTAB)(1)Counsel · Lead Counsel
Irvin Feurich Law Corporation1—1California Central District Court(1)local counsel
Wilmer Cutler Pickering Hale and Dorr (WilmerHale)—11Delaware District Court(1)Lead Counsel · Counsel
Herbert Smith Freehills1—1United States District Court for the Eastern District of Virginia; U.S. Court of Appeals for the Federal Circuit (CAFC).(1)Counsel of record
DeCotiis, FitzPatrick, Cole & Giblin—11United States District Court for the Eastern District of Virginia; U.S. Court of Appeals for the Federal Circuit (CAFC).(1)trial counsel
TCL Communication—11California Central District Court(1)In-house counsel
Vaishnav & Kanumuri—11Patent Trial and Appeal Board (PTAB)(1)Counsel
Consovoy McCarthy1—1U.S. Court of Appeals for the Federal Circuit (CAFC)(1)counsel of record
Tomlinson McKinstry—11Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office (USPTO)(1)Of Counsel · Director
Olson Stein1—1California Central District Court(1)local counsel
Weintraub Tobin1—1California Central District Court(1)of counsel