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 2019 where the patent firms were listed on the front of the utility patents, and the art unit is between 3700-3769, 3780-3789. 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 | 593 |
| 2 | CANTOR COLBURN LLP | 579 |
| 3 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 529 |
| 4 | CARLSON, GAKSEY & OLDS. P.C. | 471 |
| 5 | HARNESS, DICKEY & PIERCE P.L.C. | 469 |
| 6 | FISH & RICHARDSON P.C. | 461 |
| 7 | MCCOY RUSSELL LLP | 457 |
| 8 | DORITY & MANNING, P.A. | 450 |
| 9 | KNOBBE MARTENS OLSON & BEAR LLP | 449 |
| 10 | BIRCH STEWART KOLACH & BIRCH, LLP | 382 |
| 11 | FOLEY & LARDNER LLP | 379 |
| 12 | NIXON & VANDERHYE P.C. | 341 |
| 13 | SUGHRUE MION, PLC | 322 |
| 14 | MORGAN LEWIS & BOCKIUS LLP | 318 |
| 15 | NORTON ROSE FULBRIGHT | 298 |
| 16 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 282 |
| 17 | MICHAEL BEST & FRIEDRICH LLP | 266 |
| 18 | BUCHANAN INGERSOLL & ROONEY P.C | 236 |
| 19 | BRINKS GILSON & LIONE | 215 |
| 20 | WOMBLE BOND DICKINSON (US) LLP | 213 |
| 21 | PEARNE & GORDON LLP | 204 |
| 22 | CROWELL & MORING LLP | 202 |
| 23 | WENDEROTH, LIND & PONACK, L.L.C. | 192 |
| 24 | BROOKS KUSHMAN, P.C. | 191 |
| 25 | NEAL, GERBER & EISENBERG LLP | 190 |
| 26 | KILPATRICK TOWNSEND & STOCKTON LLP | 188 |
| 27 | STUDEBAKER & BRACKETT PC | 187 |
| 28 | SNELL & WILMER L.L.P. | 185 |
| 28 | BAKER & HOSTETLER LLP | 185 |
| 30 | BARNES & THORNBURG LLP | 181 |
| 31 | THE WEBB LAW FIRM | 173 |
| 32 | MAGINOT MOORE & BECK LLP | 168 |
| 32 | KINNEY & LANGE, P.A. | 168 |
| 32 | BANNER & WITCOFF, LTD | 168 |
| 35 | FLETCHER YODER P.C. | 162 |
| 36 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 160 |
| 36 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 160 |
| 38 | ARMSTRONG TEASDALE LLP | 159 |
| 39 | GREENBLUM & BERNSTEIN P.L.C. | 156 |
| 40 | LORENZ & KOPF LLP | 153 |
| 41 | MARSHALL, GERSTEIN & BORUN LLP | 150 |
| 41 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 150 |
| 41 | DICKINSON WRIGHT PLLC | 150 |
| 44 | MCANDREWS, HELD & MALLOY, LTD. | 147 |
| 45 | FISHMAN STEWART PLLC | 146 |
| 46 | POSZ LAW GROUP, PLC | 144 |
| 46 | DINSMORE & SHOHL LLP | 144 |
| 48 | VOLPE & KOENIG, P.C. | 143 |
| 49 | QUINN IP LAW | 140 |
| 49 | GENERAL ELECTRIC COMPANY | 140 |
| 51 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 135 |
| 52 | KED & ASSOCIATES LLP | 133 |
| 53 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 131 |
| 54 | YOUNG & THOMPSON | 130 |
| 55 | MERCHANT & GOULD P.C. | 126 |
| 56 | OSHA LIANG LLP | 125 |
| 56 | BAKER BOTTS L.L.P | 125 |
| 58 | O'SHEA GETZ P.C. | 122 |
| 59 | QUARLES & BRADY LLP | 121 |
| 60 | LOCKE LORD LLP | 117 |
| 61 | HAUPTMAN HAM LLP | 116 |
| 62 | PRICE HENEVELD LLP | 115 |
| 63 | PATTERSON & SHERIDAN, LLP. | 111 |
| 64 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 110 |
| 65 | K&L GATES LLP | 109 |
| 66 | DORSEY & WHITNEY LLP | 108 |
| 67 | PERKINS COIE LLP | 107 |
| 67 | LEYDIG, VOIT & MAYER, LTD | 107 |
| 69 | RANKIN, HILL & CLARK LLP | 106 |
| 69 | BEUSSE, WOLTER, SANKS & MAIRE, PLLC | 106 |
| 71 | MCGLEW AND TUTTLE, P.C. | 103 |
| 72 | HOWARD & HOWARD ATTORNEYS PLLC | 100 |
| 73 | MCGARRY BAIR PC | 94 |
| 73 | FITCH, EVEN, TABIN & FLANNERY LLP | 94 |
| 73 | GLOBAL IP COUNCELORS, LLP | 94 |
| 73 | COLLARD & ROE, P. C. | 94 |
| 77 | RATNERPRESTIA | 93 |
| 77 | FAEGRE BAKER DANIELS LLP | 93 |
| 77 | BACHMAN & LAPOINTE, P.C. | 93 |
| 80 | STAAS & HALSEY LLP | 92 |
| 81 | WORKMAN NYDEGGER | 90 |
| 81 | RABIN & BERDO, P.C. | 90 |
| 83 | SEED INTELLECTUAL PROPERTY LAW GROUP | 89 |
| 83 | MCDERMOTT WILL & EMERY LLP | 89 |
| 83 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 89 |
| 86 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 87 |
| 87 | SCHMEISER, OLSEN & WATTS, LLP | 86 |
| 87 | SHOOK, HARDY & BACON L.L.P. | 86 |
| 87 | MCCARTER & ENGLISH, LLP | 86 |
| 90 | GREENBERG TRAURIG LLP | 85 |
| 90 | GREER BURNS & CRAIN LTD. | 85 |
| 92 | POLSINELLI LLP | 84 |
| 93 | KLARQUIST SPARKMAN, LLP | 83 |
| 93 | DAVIDSON, DAVIDSON & KAPPEL, LLC | 83 |
| 95 | DENTONS LLP | 81 |
| 96 | FROST BROWN TODD LLC | 80 |
| 97 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 79 |
| 98 | WESTMAN CHAMPLIN & KOEHER, P.A. | 78 |
| 98 | RENNER OTTO BOISSELLE & SKLAR, LLP | 78 |
| 98 | COZEN O'CONNOR | 78 |
| 101 | LUCAS & MERCANTI, LLP | 77 |
| 101 | MORRISON & FOERSTER LLP | 77 |
| 101 | HOFFMAN WARNICK LLC | 77 |
| 101 | HUNTON ANDREWS KURTH LLP | 77 |
| 105 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 76 |
| 105 | DRINKER BIDDLE & REATH LLP | 76 |
| 107 | MCCORMICK, PAULDING & HUBER LLP | 75 |
| 107 | BERESKIN & PARR LLP | 75 |
| 107 | EDELL, SHAPIRO & FINNAN LLC | 75 |
| 110 | WOLF, GREENFIELD & SACKS, P.C. | 74 |
| 110 | EVERSHEDS SUTHERLAND (US) LLP | 74 |
| 112 | SHUMAKER, LOOP & KENDRICK, LLP | 73 |
| 113 | MAIER & MAIER, PLLC | 70 |
| 114 | FISHERBROYLES LLP | 69 |
| 114 | JCIPRNET | 69 |
| 116 | OSTROLENK FABER LLP | 68 |
| 116 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 68 |
| 116 | PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP | 68 |
| 116 | HAYNES & BOONE, LLP | 68 |
| 116 | GE GLOBAL PATENT OPERATION | 68 |
| 116 | BACON & THOMAS PLLC | 68 |
| 116 | ANDRUS INTELLECTAUL PROPERTY LAW, LLP | 68 |
| 116 | CALFEE HALTER & GRISWOLD LLP | 68 |
| 124 | WOOD HERRON & EVANS LLP | 67 |
| 124 | VENABLE LLP | 67 |
| 126 | REISING ETHINGTON P.C. | 66 |
| 126 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 66 |
| 126 | BARLOW, JOSEPHS & HOLMES, LTD. | 66 |
| 129 | ROSENBERG, KLEIN & LEE | 65 |
| 129 | TAFT STETTININUS & HOLLISTER LLP | 65 |
| 131 | SHUMAKER & SIEFFERT, P.A. | 63 |
| 131 | PANITCH SCHWARZE BELISARIO & NADEL LLP | 63 |
| 131 | KING & SCHICKLI, PLLC | 63 |
| 131 | BOOKOFF MCANDREWS, LLC | 63 |
| 135 | WINSTEAD PC | 62 |
| 135 | TROUTMAN SANDERS LLP | 62 |
| 135 | LADAS & PARRY LLP | 62 |
| 138 | SHUTTLEWORTH & INGERSOLL, PLC | 61 |
| 138 | MASCHOFF BRENNAN | 61 |
| 140 | REINHART BOERNER VAN DEUREN P.C. | 59 |
| 140 | KEATING & BENNETT, LLP | 59 |
| 142 | BLANK ROME LLP | 58 |
| 142 | DUANE MORRIS LLP | 58 |
| 144 | SHERIDAN ROSS P.C. | 57 |
| 144 | MILLER, MATTHIAS & HULL LLP | 57 |
| 144 | COOK ALEX LTD. | 57 |
| 147 | FAY SHARPE LLP | 56 |
| 148 | BOYLE FREDRICKSON S.C. | 55 |
| 149 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 54 |
| 149 | LEASON ELLIS LLP | 54 |
| 149 | HANLEY FLIGHT & ZIMMERMAN, LLC | 54 |
| 152 | FREDRIKSON & BYRON, P.A. | 53 |
| 153 | RUTAN & TUCKER LLP | 52 |
| 153 | STINSON LEONARD STREET LLP | 52 |
| 153 | TRASKBRITT P.C. | 52 |
| 153 | HUSCH BLACKWELL LLP | 52 |
| 157 | HOVEY WILLIAMS LLP | 51 |
| 158 | SEAGER, TUFTE & WICKHEM LLP | 50 |
| 158 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 50 |
| 158 | ALSTON & BIRD LLP | 50 |
If you have any questions about the Top Patent Firms 2019 list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com