Top Patent Firms 2021 - Computer Architecture, Software & Information Security

The Harrity Analytics Team compiled a list of the top patent law firms that are ranked based on the total number of U.S. utility patents that issued in 2021 where the patent firms were listed on the front of the utility patents, and the art unit is in technology center 2100. Only patent firms that have obtained at least 50 utility patents are included. An attempt was made to correct for typographical errors. Company legal departments were not eliminated from the list.

Rank - OverallLaw Firm Name2021 Patents2020 PatentsYoY Difference
1FISH & RICHARDSON P.C.638723-12%
2SCHWEGMAN LUNDBERG & WOESSNER P.A.61250322%
3CANTOR COLBURN LLP443451-2%
4KNOBBE MARTENS OLSON & BEAR LLP39431425%
5PATTERSON & SHERIDAN LLP.318341-7%
6KOWERT HOOD MUNYON RANKIN & GOETZEL P.C.305321-5%
7FOLEY & LARDNER LLP292314-7%
8KILPATRICK TOWNSEND & STOCKTON LLP290385-25%
9WOMBLE BOND DICKINSON (US) LLP28623820%
10NICHOLSON DE VOS WEBSTER & ELLIOTT LLP2812618%
11LOWENSTEIN & SANDLER LLP2732711%
12IP & T GROUP LLP27223814%
13NIXON & VANDERHYE P.C.2592523%
14MORGAN LEWIS & BOCKIUS LLP257270-5%
15OBLON MCCLELLAND MAIER & NEUSTADT L.L.P.253255-1%
16RYAN MASON & LEWIS LLP23118227%
17SUGHRUE MION PLC221239-8%
18FINNEGAN HENDERSON FARABOW GARRETT & DUNNER LLP2202124%
19HESLIN ROTHENBERG FARLEY & MESITI P.C.2102100%
20FLETCHER YODER P.C.208226-8%
21KONRAD RAYNES DAVDA & VICTOR LLP20317814%
22BAINWOODHUANG18917011%
22FENWICK & WEST LLP189224-16%
24HAYNES AND BOONE LLP18716613%
25AMIN TUROCY & WATSON LLP18514726%
26HICKMAN BECKER BINGHAM LEDESMA LLP176225-22%
27JCIPRNET1721645%
28WORKMAN NYDEGGER167199-16%
29PERKINS COIE LLP16412136%
30HARNESS IP1601563%
31ZILKA-KOTAB P.C.15812526%
32BROOKS CAMERON & HUEBSCH PLLC15712724%
32GREENBERG TRAURIG LLP1579664%
34SHOOK HARDY & BACON L.L.P.156179-13%
35SCHMEISER OLSEN & WATTS LLP1551448%
36FUJITSU PATENT CENTER150161-7%
36TUTUNJIAN & BITETTO P.C.15010346%
38SCULLY SCOTT MURPHY & PRESSER PC14912717%
39BAKER BOTTS L.L.P1421328%
40STERNE KESSLER GOLDSTEIN & FOX P.L.L.C.13811322%
41SHEPPARD MULLIN RICHTER & HAMPTON LLP136150-9%
42ROBERTS CALDERON SAFRAN & COLE P.C.1338949%
43MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC130153-15%
44POLSINELLI LLP1259039%
45CONLEY ROSE P.C.1241185%
46HOLLAND & HART LLP1228740%
47BUCKLEY MASCHOFF & TALWALKAR LLC120126-5%
48CHAMBERLAIN HRDLICKA1198540%
49JAFFERY WATSON MENDONSA & HAMILTON LLC1187753%
50HANLEY FLIGHT & ZIMMERMAN LLC1169127%
51COMPASS IP LAW1138533%
52JEFFERSON IP LAW LLP110122-10%
53DENTONS105114-8%
54VAN PELT YI & JAMES LLP102173-41%
55VOLPE & KOENIG P.C.101111-9%
56BANNER & WITCOFF LTD99120-18%
57LEE & HAYES PLLC97908%
58THOMAS HORSTEMEYER LLP967626%
59COOPER LEGAL GROUP LLC94922%
59INVOKE94869%
61KLARQUIST SPARKMAN LLP93103-10%
62ALSTON & BIRD LLP9295-3%
63OLIFF PLC91857%
64SCHWABE WILLIAMSON & WYATT P.C.907029%
65KACVINSKY DAISAK BLUNI PLLC8842100%
66DAVIS WRIGHT TREMAINE LLP87117-26%
66LEYDIG VOIT & MAYER LTD87104-16%
66MATTINGLY & MALUR PC8793-6%
69MERCHANT & GOULD P.C.867416%
69TROP PRUNER & HU P.C.86816%
71GRIFFITHS & SEATON PLLC85104-18%
72MCDERMOTT WILL & EMERY LLP847315%
73DORITY & MANNING P.A.83821%
73EDELL SHAPIRO & FINNAN LLC83778%
75HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT80174-54%
76BIRCH STEWART KOLACH & BIRCH LLP7983-5%
76K&L GATES LLP79100-21%
76MCCLURE QUALEY & RODACK LLP7995-17%
79LARSON NEWMAN LLP78780%
80MICHAEL BEST & FRIEDRICH LLP7698-22%
80SLATER MATSIL7691-16%
82PILLSBURY WINTHORP SHAW PITTMAN LLP746710%
82WEAVER AUSTIN VILLENEUVE & SAMPSON LLP744951%
84PROCOPIO CORY HARGREAVES & SAVITCH LLP736611%
85HAUPTMAN HAM LLP7279-9%
85XSENSUS LLP72103-30%
87FOUNTAINHEAD LAW GROUP P.C.715627%
87SHUMAKER & SIEFFERT P.A.7174-4%
87SPRINKLE IP LAW GROUP7172-1%
90F. CHAU & ASSOCIATES LLC705821%
90FISHERBROYLES LLP7092-24%
90KUNZLER BEAN & ADAMSON7093-25%
90MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP7072-3%
90NEWPORT IP LLC7099-29%
95NORTON ROSE FULBRIGHT68638%
96MIDDLETON REUITLINGER674840%
97ARTEGIS LAW GROUP LLP66660%
97DALY CROWLEY MOFFORD & DURKEE LLP66652%
97DLA PIPER LLP665422%
97FIG. 1 PATENTS66
97MUNCY GEISSLER OLDS & LOWE P.C.6682-20%
102MUIRHEAD AND SATURNELLI LLC655910%
102WITHROW & TERRANOVA P.L.L.C.654835%
102YEE & ASSOCIATES P.C.6576-14%
105BAKER & HOSTETLER LLP6381-22%
106ALLEMAN HALL CREASMAN & TUTTLE LLP6283-25%
106ALLIANCE IP LLC6269-10%
106WENDEROTH LIND & PONACK L.L.P.625219%
109BRINKS GILSON & LIONE6198-38%
109CROWELL & MORING LLP613291%
109MASCHOFF BRENNAN6187-30%
112CUENOT FORSYTHE & KIM LLC6075-20%
112DORSEY & WHITNEY LLP6066-9%
112KELLER JOLLEY PREECE605215%
115GARG LAW FIRM PLLC593190%
115KIM & STEWART LLP5978-24%
117HOLLAND & KNIGHT LLP5882-29%
117LOZA & LOZA LLP5893-38%
119GARLICK & MARKISON57113-50%
119LEWIS ROCA ROTHGERBER CHRISTIE LLP574333%
119RENAISSANCE IP LAW GROUP LLP574916%
119SEED INTELLECTUAL PROPERTY LAW GROUP5769-17%
119TROUTMAN PEPPER57562%
124PARK VAUGHAN FLEMING & DOWLER LLP5665-14%
125HALEY GUILIANO LLP554134%
125MARSHALL GERSTEIN & BORUN LLP5579-30%
127HARRITY & HARRITY LLP5466-18%
127VISTA IP LAW GROUP LLP5457-5%
127VOLENTINE WHITT & FRANCOS PLLC5468-21%
130ARENT FOX LLP5361-13%
130MOORE & VAN ALLEN PLLC534713%
130NOVOTECHIP INTERNATIONAL PLLC532889%
130VIERRA MAGEN MARCUS LLP5382-35%
134ANOVA LAW GROUP PLLC51494%
134BROWNSTEIN HYATT FARBER SCHRECK LLP5114264%
134WILLIAM PARK & ASSOCIATES LTD.5158-12%
137BOOKOFF MCANDREWS LLC50484%
137HUNTON ANDREWS KURTH LLP50469%
137MANNAVA & KANG P.C.50484%

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If you have any questions about the Top Patent Firms list, or any other patent analytics related questions, feel free to contact:

Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com

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