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.

1242 firms · 7315 total appearances across 2525 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
King & Spalding8412Patent Trial and Appeal Board (PTAB)(2)United States District Court for the Eastern District of Texas, Marshall Division(2)Michigan Eastern District Court(1)trial counsel · Of Counsel · Lead Counsel
Keker, Van Nest & Peters21012Delaware District Court(4)U.S. District Court for the Northern District of California(3)Patent Trial and Appeal Board (PTAB)(1)lead counsel · Counsel · of counsel
Reed Smith11112California Central District Court(2)Patent Trial and Appeal Board (PTAB)(2)U.S. Court of Appeals for the Federal Circuit(2)Of Counsel · lead counsel · Lead Counsel
Ropes & Gray21012Delaware District Court(3)Texas Northern District Court(2)U.S. Court of Appeals for the Federal Circuit(2)lead counsel · Lead Counsel · Counsel
Snell & Wilmer8412U.S. District Court for the District of Arizona(4)California Central District Court(2)U.S. District Court for the District of Nevada(2)Local Counsel · local counsel · Counsel
Young Conaway Stargatt & Taylor7512U.S. District Court for the District of Delaware(11)local counsel · Local Counsel · Counsel
The Davis Firm5712Patent Trial and Appeal Board (PTAB)(7)U.S. District Court for the Eastern District of Texas(3)Delaware District Court(1)lead counsel · local counsel · Counsel
Barnes & Thornburg4812Illinois Northern District Court(5)Patent Trial and Appeal Board (PTAB)(5)U.S. District Court for the District of Delaware(1)Lead Counsel · Counsel · lead counsel
Perilla Knox & Hildebrandt3912Patent Trial and Appeal Board (PTAB)(8)California Central District Court(1)Delaware District Court(1)Lead Counsel · lead counsel · Counsel
Antonelli, Harrington & Thompson10111Texas Eastern District Court(5)Court of Appeals for the Federal Circuit(1)E.D. Tex.(1)lead counsel · of counsel · counsel
Holland & Knight5611Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(4)Florida Middle District Court(1)lead counsel · Lead Counsel · Backup Counsel
Kent & Risley10111U.S. District Court for the Eastern District of Texas(8)Georgia Northern District Court(1)Indiana Southern District Court(1)lead counsel · Lead Counsel · local counsel
Faegre Drinker Biddle & Reath4711Delaware District Court(5)Minnesota District Court(3)North Carolina Western District Court(1)lead counsel · local counsel · pro hac vice attorney
DLA Piper (US)—1111Texas Western District Court(4)Florida Middle District Court(2)Texas Eastern District Court(2)Counsel · lead counsel · Lead Counsel
Herbert Smith Freehills Kramer6511Patent Trial and Appeal Board (PTAB)(5)U.S. District Court for the Eastern District of Texas(2)Delaware District Court(1)lead counsel · Lead Counsel · of counsel
Banner & Witcoff6511Patent Trial and Appeal Board (PTAB)(3)Court of Appeals for the Federal Circuit (CAFC)(2)U.S. District Court for the District of Massachusetts(2)attorney · Attorney for Plaintiff · appellate counsel
Haltom & Doan2911Texas Eastern District Court(7)Patent Trial and Appeal Board (PTAB)(1)Texas(1)Local Counsel · local counsel · Counsel
The Shore Firm9211Texas Western District Court(4)Delaware District Court(2)Patent Trial and Appeal Board (PTAB)(2)Counsel · lead counsel · Lead Counsel
Eversheds Sutherland (US)6511Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Northern District of California(2)California Central District Court(1)Counsel · Backup Counsel · Lead Counsel
Alavi & Anaipakos7411Patent Trial and Appeal Board (PTAB)(5)Texas Eastern District Court(3)Florida Southern District Court(1)Counsel · counsel · Lead Counsel
One9211California Northern District Court(4)Texas Eastern District Court(2)United States District Court for the Northern District of California, San Francisco Division(2)Lead Counsel · Counsel · counsel
Bradley Arant Boult Cummings3710Tennessee Middle District Court(2)U.S. District Court for the District of Delaware(2)Court of Appeals for the Federal Circuit(1)lead counsel · Lead Counsel · Counsel
The Roth Law Firm8210U.S. District Court for the Eastern District of Texas(9)Local Counsel · local counsel · local and trial counsel
Kobre & Kim6410California Northern District Court(4)Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Southern District of California(1)Counsel · lead counsel · Attorney for Plaintiff
Mann Tindel & Thompson6410Texas Eastern District Court(3)Court of Appeals for the Federal Circuit(2)U.S. District Court for the Western District of Texas(2)local counsel · Local Counsel · partner