US Patent Law Firms that Prosecuted Most Patents in 2020

We compiled a list of the top patent law firms and ranked them based on the total number of utility patents they filed in 2020. We have filtered company legal departments to compile the list. 

Law FirmApplications Filed
Oblon Mcclelland Maier & Neustadt LLP2458
Sughrue Mion PLLC2196
Oliff PLC1829
Birch Stewart Kolasch & Birch LLP1804
Knobbe Martens Olson & Bear llp1713
Foley & Lardner llp1523
Wenderoth Lind & Ponack LLP997
Nixon & Vanderhye PC911
Studebaker & Brackett PC910
Muncy Geissler Olds & Lowe p c889
Cantor Colburn LLP802
Venable LLP787
Harness Dickey Troy769
Fish & Richardson PC DC759
Greenblum & Bernstein PLC720
Norton Rose Fulbright LLP701
Xsensus LLP673
Banner & Witcoff Ltd668
Osha Bergman Watanabe & Burton llp639
Updated on March 1, 2021

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