Top Patent Firms 2021 - Computer Networks, Multiplex, Cable and Cryptography/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 2400. 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.112110527%
2SUGHRUE MION PLC5545285%
3KILPATRICK TOWNSEND & STOCKTON LLP498571-13%
4OBLON MCCLELLAND MAIER & NEUSTADT L.L.P.483491-2%
5SCHWEGMAN LUNDBERG & WOESSNER P.A.471476-1%
6LEYDIG VOIT & MAYER LTD400453-12%
7SLATER MATSIL389449-13%
8PERKINS COIE LLP38321876%
9FOLEY & LARDNER LLP3803586%
10KOWERT HOOD MUNYON RANKIN & GOETZEL P.C.360399-10%
10LEE HONG DEGERMAN KANG & WAIMEY360502-28%
12JEFFERSON IP LAW LLP3533346%
13HOLLAND & HART LLP342357-4%
14WOMBLE BOND DICKINSON (US) LLP32528315%
15DENTONS323366-12%
16BANNER & WITCOFF LTD319331-4%
17POLSINELLI LLP318333-5%
18XSENSUS LLP307414-26%
19KNOBBE MARTENS OLSON & BEAR LLP299334-10%
20PATTERSON & SHERIDAN LLP.296327-9%
21BAKER & HOSTETLER LLP287290-1%
22SHUMAKER & SIEFFERT P.A.274285-4%
23CONLEY ROSE P.C.272303-10%
24LEE & HAYES PLLC27022023%
25FINNEGAN HENDERSON FARABOW GARRETT & DUNNER LLP265323-18%
26AMIN TUROCY & WATSON LLP258304-15%
27SEED INTELLECTUAL PROPERTY LAW GROUP241262-8%
28BIRCH STEWART KOLACH & BIRCH LLP235407-42%
28HANLEY FLIGHT & ZIMMERMAN LLC23520316%
30MORGAN LEWIS & BOCKIUS LLP234263-11%
31GUNTIN & GUST PLC233271-14%
31QUALCOMM INCORPORATED23388165%
33NICHOLSON DE VOS WEBSTER & ELLIOTT LLP23019816%
34HALEY GUILIANO LLP21317820%
35OSHA BERGMAN WATANABE & BURTON LLP20814246%
36ARENT FOX LLP203260-22%
36NIXON & VANDERHYE P.C.20318013%
38LADAS & PARRY LLP20111772%
39CANTOR COLBURN LLP198252-21%
40HAYNES AND BOONE LLP1971838%
41HARRITY & HARRITY LLP19517611%
42THE FARRELL LAW FIRM P.C190204-7%
43HARNESS IP187201-7%
44WENDEROTH LIND & PONACK L.L.P.1761713%
45CANON U.S.A. INC. IP DIVISION173191-9%
46SAGE PATENT GROUP172220-22%
47SCIENBIZIP P.C.168175-4%
48FENWICK & WEST LLP167224-25%
48MURPHY BILAK & HOMILLER PLLC167172-3%
50ADELI LLP16614812%
50BAKER BOTTS L.L.P166193-14%
52EDELL SHAPIRO & FINNAN LLC1641574%
52STERNE KESSLER GOLDSTEIN & FOX P.L.L.C.164181-9%
54FISHERBROYLES LLP160175-9%
55VOLPE & KOENIG P.C.154167-8%
56CHIP LAW GROUP153183-16%
57THOMAS HORSTEMEYER LLP15113214%
58MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP1491425%
59ANOVA LAW GROUP PLLC1391344%
60FLETCHER YODER P.C.138141-2%
61GREENBLUM & BERNSTEIN P.L.C.134140-4%
62GREENBERG TRAURIG LLP131137-4%
63DAVIS WRIGHT TREMAINE LLP129164-21%
63MASCHOFF BRENNAN129130-1%
63VAN PELT YI & JAMES LLP129165-22%
66LOWENSTEIN & SANDLER LLP128181-29%
67RYAN MASON & LEWIS LLP12510915%
67WORKMAN NYDEGGER125129-3%
69BEHMKE INNOVATION GROUP LLC123146-16%
70NORTON ROSE FULBRIGHT111113-2%
71COATS & BENNETT P.L.L.C.109126-13%
72OLIFF PLC1081035%
73JCIPRNET106108-2%
73SHEPPARD MULLIN RICHTER & HAMPTON LLP106201-47%
75MERCHANT & GOULD P.C.104153-32%
76HARRINGTON & SMITH103967%
77ALSTON & BIRD LLP102115-11%
78HONIGMAN MILLER SCHWARTZ & COHN LLP101107-6%
79KUNZLER BEAN & ADAMSON100938%
80HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT97175-45%
81BUCHANAN INGERSOLL & ROONEY P.C96107-10%
82KACVINSKY DAISAK BLUNI PLLC9519400%
83WESTMAN CHAMPLIN & KOEHLER P.A.93877%
84NSIP LAW928410%
85PROCOPIO CORY HARGREAVES & SAVITCH LLP907029%
85SCHMEISER OLSEN & WATTS LLP90113-20%
87SHOOK HARDY & BACON L.L.P.88106-17%
87WITHROW & TERRANOVA P.L.L.C.8892-4%
89MOORE & VAN ALLEN PLLC86816%
89TROUTMAN PEPPER867613%
89YOUNG BASILE HANLON & MACFARLANE P.C.86104-17%
92HESLIN ROTHENBERG FARLEY & MESITI P.C.8588-3%
92SQUIRE PATTON BOGGS LLP85100-15%
94BYRNE POH LLP846922%
94CHRISTOPHER & WEISBERG P.A.8441105%
96SCULLY SCOTT MURPHY & PRESSER PC82122-33%
97KLARQUIST SPARKMAN LLP81104-22%
98MCDERMOTT WILL & EMERY LLP8086-7%
99EVERSHEDS SUTHERLAND (US) LLP796423%
99JAFFERY WATSON MENDONSA & HAMILTON LLC7985-7%
99ROBERTS CALDERON SAFRAN & COLE P.C.796914%
102MCCLURE QUALEY & RODACK LLP7883-6%
103FUJITSU PATENT CENTER77103-25%
104HODGSON RUSS LLP7632138%
104WOLF GREENFIELD & SACKS P.C.766812%
106LORENZ & KOPF LLP75733%
107SPRINKLE IP LAW GROUP74731%
108LOZA & LOZA LLP73117-38%
109ARTEGIS LAW GROUP LLP7277-6%
109DLA PIPER LLP725824%
109LOCKE LORD LLP72100-28%
112CHERNOFF VILHAUER MCCLUNG & STENZEL LLP71693%
112ROTHWELL FIGG ERNST & MANBECK P.C.7187-18%
112STUDEBAKER & BRACKETT PC71114-38%
112TUCKER ELLIS LLP7198-28%
116PILLSBURY WINTHORP SHAW PITTMAN LLP70150-53%
116SHERIDAN ROSS P.C.7075-7%
118MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC686210%
119KLIGLER & ASSOCIATES67670%
120ESCHWEILER & POTASHNIK LLC664450%
120MICHAEL BEST & FRIEDRICH LLP66103-36%
122COOPER LEGAL GROUP LLC64615%
123PARATUS LAW GROUP PLLC6379-20%
123PATENT PORTFOLIO BUILDERS PLLC6383-24%
125NEWPORT IP LLC624055%
126MUNCY GEISSLER OLDS & LOWE P.C.6184-27%
127CROWELL & MORING LLP603858%
127HAUPTMAN HAM LLP60592%
129BOOKOFF MCANDREWS LLC5963-6%
129BRAKE HUGHES BELLERMAN LLP5974-20%
129CHAMBERLAIN HRDLICKA594434%
129CLEMENTS BERNARD WALKER PLLC5960-2%
129COMPASS IP LAW595018%
129ESPLIN & ASSOCIATES PC5963-6%
129HUNTON ANDREWS KURTH LLP5968-13%
136CONDO ROCCIA KOPTIW LLP584821%
136KEATING & BENNETT LLP5871-18%
136LERNER DAVID LITTENBERG KRUMHOLZ & MENTLIK LLP5872-19%
139FOUNTAINHEAD LAW GROUP P.C.574624%
139VENABLE LLP5768-16%
141MAIER & MAIER PLLC5617229%
141PATTERSON THUENTE PEDERSEN P.A.56544%
143GRIFFITHS & SEATON PLLC543746%
144CLAYTON MCKAY & BAILEY PC533361%
144CUENOT FORSYTHE & KIM LLC5354-2%
146MARSHALL GERSTEIN & BORUN LLP5259-12%
146MATTINGLY & MALUR PC5260-13%
146MCANDREWS HELD & MALLOY LTD.524711%
146ZILKA-KOTAB P.C.524321%
150GAZDZINSKI & ASSOCIATES PC514319%
151FIALA & WEAVER P.L.L.C.503832%

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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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