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 in technology center 1700. 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 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 1101 |
| 2 | BIRCH STEWART KOLACH & BIRCH, LLP | 882 |
| 3 | SUGHRUE MION, PLC | 736 |
| 4 | CANTOR COLBURN LLP | 646 |
| 5 | OLIFF PLC | 629 |
| 6 | FOLEY & LARDNER LLP | 422 |
| 7 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 414 |
| 8 | MORGAN LEWIS & BOCKIUS LLP | 378 |
| 9 | HARNESS, DICKEY & PIERCE P.L.C. | 354 |
| 10 | KNOBBE MARTENS OLSON & BEAR LLP | 311 |
| 11 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 287 |
| 12 | KILPATRICK TOWNSEND & STOCKTON LLP | 282 |
| 13 | FISH & RICHARDSON P.C. | 278 |
| 14 | GREENBLUM & BERNSTEIN P.L.C. | 268 |
| 15 | WENDEROTH, LIND & PONACK, L.L.P. | 250 |
| 16 | DENTONS LLP | 243 |
| 17 | DORITY & MANNING, P.A. | 240 |
| 18 | FAEGRE DRINKER BIDDLE & REATH LLP | 234 |
| 18 | JCIPRNET | 234 |
| 20 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 224 |
| 21 | BUCHANAN INGERSOLL & ROONEY P.C | 223 |
| 22 | DINSMORE & SHOHL LLP | 220 |
| 23 | MCDERMOTT WILL & EMERY LLP | 208 |
| 24 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 204 |
| 25 | THE WEBB LAW FIRM | 202 |
| 26 | PATTERSON & SHERIDAN, LLP. | 193 |
| 27 | VENABLE LLP | 182 |
| 28 | BAKER & HOSTETLER LLP | 178 |
| 29 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 176 |
| 30 | NORTON ROSE FULBRIGHT | 174 |
| 31 | NIXON & VANDERHYE P.C. | 173 |
| 32 | BROOKS KUSHMAN, P.C. | 170 |
| 33 | MILLEN WHITE ZELANO & BRANIGAN, P.C. | 161 |
| 34 | MERCHANT & GOULD P.C. | 159 |
| 35 | WOMBLE BOND DICKINSON (US) LLP | 154 |
| 35 | LEYDIG, VOIT & MAYER, LTD | 154 |
| 37 | DICKINSON WRIGHT PLLC | 150 |
| 38 | STUDEBAKER & BRACKETT PC | 148 |
| 39 | FITCH, EVEN, TABIN & FLANNERY LLP | 147 |
| 40 | PEARNE & GORDON LLP | 146 |
| 40 | K&L GATES LLP | 146 |
| 42 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 141 |
| 42 | RATNERPRESTIA | 141 |
| 44 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 140 |
| 44 | KENJA IP LAW PC | 140 |
| 46 | OSHA BERGMAN WATANABE & BURTON LLP | 135 |
| 47 | OSTROLENK FABER LLP | 134 |
| 48 | THORPE NORTH & WESTERN LLP | 131 |
| 48 | BARNES & THORNBURG LLP | 131 |
| 50 | DLA PIPER LLP | 130 |
| 51 | WOLF, GREENFIELD & SACKS, P.C. | 129 |
| 51 | BURR & BROWN, PLLC | 129 |
| 53 | LOCKE LORD LLP | 128 |
| 53 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 128 |
| 55 | SNELL & WILMER L.L.P. | 127 |
| 56 | ARMSTRONG TEASDALE LLP | 125 |
| 57 | HAUPTMAN HAM LLP | 124 |
| 58 | MARSHALL, GERSTEIN & BORUN LLP | 122 |
| 58 | BAKER BOTTS L.L.P | 122 |
| 60 | ROTHWELL, FIGG, ERNST & MANBECK P.C. | 121 |
| 61 | RANKIN, HILL & CLARK LLP | 119 |
| 62 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 118 |
| 63 | LEE IP LAW PC | 107 |
| 63 | NIXON & PEABODY LLP | 107 |
| 65 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 106 |
| 65 | QUARLES & BRADY LLP | 106 |
| 67 | NATH GOLDBERG & MEYER | 104 |
| 68 | POLSINELLI LLP | 103 |
| 68 | GREER BURNS & CRAIN LTD. | 103 |
| 70 | EVERSHEDS SUTHERLAND (US) LLP | 100 |
| 71 | MCGARRY BAIR PC | 98 |
| 72 | DUANE MORRIS LLP | 97 |
| 73 | RENNER OTTO BOISSELLE & SKLAR, LLP | 94 |
| 74 | NOVICK, KIM & LEE, PLLC | 93 |
| 74 | PANITCH SCHWARZE BELISARIO & NADEL LLP | 93 |
| 74 | SEED INTELLECTUAL PROPERTY LAW GROUP | 93 |
| 77 | TROUTMAN PEPPER | 92 |
| 77 | VOLPE & KOENIG, P.C. | 92 |
| 79 | ARENT FOX LLP | 91 |
| 80 | MICHAEL BEST & FRIEDRICH LLP | 90 |
| 81 | SCIENBIZIP, P.C. | 87 |
| 81 | SHERIDAN ROSS P.C. | 87 |
| 81 | CARLSON, GAKSEY & OLDS. P.C. | 87 |
| 84 | WORKMAN NYDEGGER | 86 |
| 84 | CROWELL & MORING LLP | 86 |
| 86 | BANNER & WITCOFF, LTD | 85 |
| 87 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 83 |
| 87 | BRACEWELL LLP | 83 |
| 89 | LUCAS & MERCANTI, LLP | 79 |
| 89 | BRINKS GILSON & LIONE | 79 |
| 91 | THOMAS HORSTEMEYER, LLP | 78 |
| 91 | ABEL SCHILLINGER, LLP | 78 |
| 93 | LORENZ & KOPF LLP | 76 |
| 93 | CONLEY ROSE, P.C. | 76 |
| 95 | DORSEY & WHITNEY LLP | 75 |
| 96 | FAY SHARPE LLP | 74 |
| 97 | HAYNES AND BOONE, LLP | 73 |
| 97 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 73 |
| 97 | BLANK ROME LLP | 73 |
| 100 | ABELMAN, FRAYNE & SCHWAB | 71 |
| 101 | RABIN & BERDO, P.C. | 70 |
| 101 | VORYS, SATER, SEYMOUR & PEASE LLP | 70 |
| 103 | MYERS BIGEL, P.A. | 69 |
| 103 | WEAVER AUSTIN VILLENEUVE & SAMPSON LLP | 69 |
| 103 | KED & ASSOCIATES LLP | 69 |
| 103 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 69 |
| 107 | MUETING RAASCH GROUP | 67 |
| 107 | PERKINS COIE LLP | 67 |
| 109 | MCKEE, VOORHEES & SEASE, PLC | 66 |
| 109 | NORRIS MCLAUGHLIN P.A. | 66 |
| 109 | GREENBERG TRAURIG LLP | 66 |
| 112 | MEUNIER CARLIN & CURFMAN LLC | 63 |
| 112 | YEE & ASSOCIATES, P.C. | 63 |
| 112 | ALSTON & BIRD LLP | 63 |
| 115 | BAYRAMOGLU LAW OFFICES LLC | 62 |
| 115 | TRASKBRITT P.C. | 62 |
| 115 | GLOBAL IP COUNCELORS, LLP | 62 |
| 118 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 61 |
| 118 | BACHMAN & LAPOINTE, P.C. | 61 |
| 118 | AMIN, TUROCY & WATSON, LLP | 61 |
| 118 | LEASON ELLIS LLP | 61 |
| 122 | MCCARTER & ENGLISH, LLP | 60 |
| 122 | THE MARBURY LAW GROUP | 60 |
| 122 | MAIER & MAIER, PLLC | 60 |
| 125 | YOUNG & THOMPSON | 59 |
| 125 | WOOD HERRON & EVANS LLP | 59 |
| 125 | BOZICEVIC, FIELD & FRANCIS LLP | 59 |
| 125 | HESLIN ROTHENBERG FARLEY & MESITI P.C. | 59 |
| 129 | THE DOBRUSIN LAW FIRM P.C. | 58 |
| 130 | IPUSA, PLLC | 57 |
| 130 | KINNEY & LANGE, P.A. | 57 |
| 132 | MCGINN IP LAW GROUP, PLLC | 56 |
| 132 | WASH PARK IP LTD. | 56 |
| 132 | MH2 TECHNOLOGY LAW GROUP LLP | 56 |
| 135 | PATTERSON, THUENTE, PEDERSEN, P.A. | 55 |
| 135 | HUNTON ANDREWS KURTH LLP | 55 |
| 135 | CALFEE HALTER & GRISWOLD LLP | 55 |
| 135 | CARTER, DELUCA, FARRELL & SCHMIDT, LLP | 55 |
| 135 | KLARQUIST SPARKMAN, LLP | 55 |
| 140 | BOOKOFF MCANDREWS, LLC | 54 |
| 141 | MASCHOFF BRENNAN | 53 |
| 141 | DAVIDSON, DAVIDSON & KAPPEL, LLC | 53 |
| 143 | MOSER TABOADA | 52 |
| 143 | CANON U.S.A. INC. IP DIVISION | 52 |
| 145 | WILSON SONSINI GOODRICH & ROSATI | 51 |
| 145 | REISING ETHINGTON P.C. | 51 |
| 145 | LADAS & PARRY LLP | 51 |
| 148 | SALIWANCHIK, LLOYD & EISENSCHENK | 50 |
| 148 | MAGINOT MOORE & BECK LLP | 50 |
| 148 | OHLANDT, GREELEY, RUGGIERO & PERLE, L.L.P. | 50 |
| 148 | LOWENSTEIN & SANDLER LLP | 50 |
| 148 | CLARK & BRODY | 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