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 2020 where the patent firms were listed on the front of the utility patents, and the art unit is between 3600-3619, 3630-3679. 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 | Firm Name | Patents |
|---|---|---|
| 1 | OLIFF PLC | 627 |
| 2 | CANTOR COLBURN LLP | 607 |
| 3 | BROOKS KUSHMAN, P.C. | 470 |
| 4 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 441 |
| 5 | MORGAN LEWIS & BOCKIUS LLP | 434 |
| 6 | SUGHRUE MION, PLC | 406 |
| 6 | KNOBBE MARTENS OLSON & BEAR LLP | 406 |
| 8 | HARNESS, DICKEY & PIERCE P.L.C. | 388 |
| 9 | FISH & RICHARDSON P.C. | 376 |
| 10 | KILPATRICK TOWNSEND & STOCKTON LLP | 303 |
| 11 | NORTON ROSE FULBRIGHT | 278 |
| 12 | DORITY & MANNING, P.A. | 271 |
| 13 | FOLEY & LARDNER LLP | 269 |
| 14 | CROWELL & MORING LLP | 265 |
| 15 | PRICE HENEVELD LLP | 259 |
| 16 | DICKINSON WRIGHT PLLC | 254 |
| 17 | MICHAEL BEST & FRIEDRICH LLP | 248 |
| 18 | BIRCH STEWART KOLACH & BIRCH, LLP | 245 |
| 19 | DINSMORE & SHOHL LLP | 240 |
| 20 | BEJIN BIENEMAN PLC | 234 |
| 21 | BARNES & THORNBURG LLP | 229 |
| 22 | NIXON & VANDERHYE P.C. | 224 |
| 23 | BUCHANAN INGERSOLL & ROONEY P.C | 219 |
| 24 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 212 |
| 25 | GREENBLUM & BERNSTEIN P.L.C. | 202 |
| 26 | RANKIN, HILL & CLARK LLP | 201 |
| 27 | SNELL & WILMER L.L.P. | 200 |
| 28 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 194 |
| 29 | FAEGRE DRINKER BIDDLE & REATH LLP | 188 |
| 30 | WENDEROTH, LIND & PONACK, L.L.P. | 182 |
| 31 | TAFT STETTININUS & HOLLISTER LLP | 167 |
| 32 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 164 |
| 32 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 164 |
| 34 | GLOBAL IP COUNCELORS, LLP | 161 |
| 35 | WOMBLE BOND DICKINSON (US) LLP | 160 |
| 36 | CARLSON, GAKSEY & OLDS. P.C. | 157 |
| 37 | BAKER & HOSTETLER LLP | 155 |
| 38 | HAYNES AND BOONE, LLP | 152 |
| 39 | THE WEBB LAW FIRM | 150 |
| 39 | JCIPRNET | 150 |
| 41 | MCCOY RUSSELL LLP | 146 |
| 41 | LORENZ & KOPF LLP | 146 |
| 43 | BAKER BOTTS L.L.P | 143 |
| 44 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 140 |
| 44 | BRINKS GILSON & LIONE | 140 |
| 46 | FITCH, EVEN, TABIN & FLANNERY LLP | 134 |
| 47 | PATTERSON & SHERIDAN, LLP. | 133 |
| 48 | STUDEBAKER & BRACKETT PC | 132 |
| 49 | MASCHOFF BRENNAN | 129 |
| 49 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 129 |
| 51 | MERCHANT & GOULD P.C. | 128 |
| 51 | HAUPTMAN HAM LLP | 128 |
| 51 | AMIN, TUROCY & WATSON, LLP | 128 |
| 54 | BRACEWELL LLP | 126 |
| 55 | WORKMAN NYDEGGER | 124 |
| 56 | VOLPE & KOENIG, P.C. | 122 |
| 57 | VENABLE LLP | 118 |
| 58 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 117 |
| 58 | ALSTON & BIRD LLP | 117 |
| 58 | BANNER & WITCOFF, LTD | 117 |
| 61 | HANLEY FLIGHT & ZIMMERMAN, LLC | 115 |
| 62 | LEYDIG, VOIT & MAYER, LTD | 114 |
| 63 | LEE & HAYES PLLC | 113 |
| 64 | RATNERPRESTIA | 112 |
| 65 | OSHA BERGMAN WATANABE & BURTON LLP | 110 |
| 65 | REISING ETHINGTON P.C. | 110 |
| 65 | PERKINS COIE LLP | 110 |
| 68 | MAIER & MAIER, PLLC | 109 |
| 69 | RENNER OTTO BOISSELLE & SKLAR, LLP | 108 |
| 69 | SHERIDAN ROSS P.C. | 108 |
| 69 | GREER BURNS & CRAIN LTD. | 108 |
| 72 | POLSINELLI LLP | 104 |
| 73 | THE SMALL PATENT LAW GROUP, LLC | 102 |
| 74 | WESTMAN CHAMPLIN & KOEHLER, P.A. | 100 |
| 74 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 100 |
| 76 | EVERSHEDS SUTHERLAND (US) LLP | 98 |
| 77 | MARSHALL, GERSTEIN & BORUN LLP | 96 |
| 78 | WOOD HERRON & EVANS LLP | 94 |
| 78 | QUINN IP LAW | 94 |
| 78 | ARMSTRONG TEASDALE LLP | 94 |
| 81 | QUARLES & BRADY LLP | 92 |
| 82 | SCHMEISER, OLSEN & WATTS, LLP | 89 |
| 83 | SEED INTELLECTUAL PROPERTY LAW GROUP | 87 |
| 84 | PEARNE & GORDON LLP | 86 |
| 84 | MORI & WARD, LLP | 86 |
| 84 | DORSEY & WHITNEY LLP | 86 |
| 87 | GREENBERG TRAURIG LLP | 84 |
| 87 | FENWICK & WEST LLP | 84 |
| 89 | DARROW MUSTAFA PC | 83 |
| 90 | C. TUMEY LAW GROUP PLLC | 82 |
| 91 | MAGINOT MOORE & BECK LLP | 81 |
| 91 | DAVIS & BUJOLD, PLLC | 81 |
| 93 | LOCKE LORD LLP | 79 |
| 93 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 79 |
| 95 | YOUNG & THOMPSON | 78 |
| 95 | HUNTON ANDREWS KURTH LLP | 78 |
| 95 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 78 |
| 98 | MAYER & WILLIAMS PC | 77 |
| 99 | NEAL, GERBER & EISENBERG LLP | 76 |
| 99 | KEATING & BENNETT, LLP | 76 |
| 99 | CONLEY ROSE, P.C. | 76 |
| 99 | ANDRUS INTELLECTAUL PROPERTY LAW, LLP | 76 |
| 103 | MCDERMOTT WILL & EMERY LLP | 75 |
| 104 | WOLF, GREENFIELD & SACKS, P.C. | 74 |
| 104 | LEMPIA SUMMERFIELD KATZ LLC | 74 |
| 104 | TROUTMAN PEPPER | 74 |
| 104 | MARSHALL & MELHORN, LLC | 74 |
| 108 | HOWARD & HOWARD ATTORNEYS PLLC | 73 |
| 108 | ANOVA LAW GROUP, PLLC | 73 |
| 110 | FLETCHER YODER P.C. | 72 |
| 111 | SLATER MATSIL | 71 |
| 111 | KING & SCHICKLI, PLLC | 71 |
| 113 | THOMAS HORSTEMEYER, LLP | 70 |
| 114 | TRASKBRITT P.C. | 69 |
| 114 | K&L GATES LLP | 69 |
| 114 | BOTOS CHURCHILL IP LAW LLP | 69 |
| 117 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 68 |
| 117 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 68 |
| 119 | ARENT FOX LLP | 67 |
| 120 | MCGUIREWOODS LLP | 66 |
| 120 | POSZ LAW GROUP, PLC | 66 |
| 122 | WASH PARK IP LTD. | 65 |
| 122 | NELSON MULLINS RILEY & SCARBOROUGH LLP | 65 |
| 122 | MACMILLAN, SOBANSKI & TODD, LLC | 65 |
| 125 | LADAS & PARRY LLP | 64 |
| 126 | SUITER SWANTZ PC LLO | 63 |
| 126 | BURRIS LAW, PLLC | 63 |
| 128 | COZEN O'CONNOR | 62 |
| 128 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 62 |
| 130 | BLANK ROME LLP | 61 |
| 131 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 60 |
| 131 | RABIN & BERDO, P.C. | 60 |
| 131 | THYSSENKRUPP NORTH AMERICA, INC. | 60 |
| 134 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 59 |
| 135 | KINNEY & LANGE, P.A. | 58 |
| 135 | CHAMBERLAIN HRDLICKA | 58 |
| 135 | FAY SHARPE LLP | 58 |
| 138 | COLLARD & ROE, P. C. | 57 |
| 138 | BCF LLP | 57 |
| 140 | ROBERTS CALDERON SAFRAN & COLE, P.C. | 56 |
| 140 | PERMAN & GREEN, LLP | 56 |
| 142 | GARCIA-ZAMOR IP LAW | 55 |
| 143 | SHOOK, HARDY & BACON L.L.P. | 54 |
| 143 | ROSENBERG, KLEIN & LEE | 54 |
| 145 | SHEPPARD, MULLIN, RICHTER & HAMPTON LLP | 53 |
| 145 | CARRIER BLACKMAN & ASSOCIATES, P.C. | 53 |
| 145 | FISHMAN STEWART PLLC | 53 |
| 145 | CLEMENTS BENARD WALKER PLLC | 53 |
| 149 | PATENT PORTFOLIO BUILDERS, PLLC | 52 |
| 149 | LAWRENCE YOUST PLLC | 52 |
| 149 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 52 |
| 152 | BAYRAMOGLU LAW OFFICES LLC | 51 |
| 152 | SANCHELIMA & ASSOCIATES P.A. | 51 |
| 152 | UNITED IP COUNSELORS, LLC | 51 |
| 152 | JENKINS, WILSON, TAYLOR & HUNT, P.A. | 51 |
| 156 | MCANDREWS, HELD & MALLOY, LTD. | 50 |
| 156 | MH2 TECHNOLOGY LAW GROUP LLP | 50 |
If you have any questions about the Top Patent Firms 2020 list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com