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.

1456 firms · 10768 total appearances across 3665 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Fisch Sigler1—1Patent Trial and Appeal Board (PTAB)(1)Counsel · Lead 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
Coe & Berbarian—11Delaware District Court(1)Local Counsel
Mazura Law Firm1—1California Southern District Court(1)Counsel
Parker Poe Adams & Bernstein—11North Carolina Western District Court(1)Lead Counsel
Law Office of Michael A. Sanzo1—1Patent Trial and Appeal Board (PTAB)(1)of counsel
Alan Sege—11California Northern District Court(1)Counsel
Alan Sege Esq.—11California Northern District Court(1)counsel
Jumio Corporation—11California Northern District Court(1)in-house
Hamilton, Brook, Smith & Reynolds—11Patent Trial and Appeal Board (PTAB)(1)lead counsel · first back-up counsel
DeMent and Marquardt1—1Patent Trial and Appeal Board (PTAB)(1)—
Lyft, Inc.—11U.S. District Court for the District of Delaware(1)General Counsel · Senior IP Counsel · In-house counsel
Seitz, Van Ogtrop & Green1—1Delaware District Court(1)local counsel
von Briesen & Roper1—1PTAB (Patent Trial and Appeal Board)(1)counsel
Bunsow DeMory—11Northern District of California(1)Counsel
Edleson, Rezzo & Hindman—11Patent Trial and Appeal Board (PTAB)(1)additional/specialty counsel
Grossman, Tucker, Perreault & Pfleger—11Patent Trial and Appeal Board (PTAB)(1)Counsel · Lead Counsel
Law Office of Scott C. Harris—11Patent Trial and Appeal Board (PTAB)(1)Counsel
Craig C. Reilly1—1Virginia Eastern District Court(1)local counsel
Keysight Technologies, Inc.—11U.S. Court of Appeals for the Federal Circuit(1)In-house counsel