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 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 | CANTOR COLBURN LLP | 612 |
| 2 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 597 |
| 3 | DORITY & MANNING, P.A. | 578 |
| 4 | OLIFF PLC | 526 |
| 5 | CARLSON, GASKEY & OLDS. P.C. | 496 |
| 6 | HARNESS, DICKEY & PIERCE P.L.C. | 432 |
| 7 | FISH & RICHARDSON P.C. | 431 |
| 8 | KNOBBE MARTENS OLSON & BEAR LLP | 373 |
| 9 | FOLEY & LARDNER LLP | 366 |
| 10 | MCCOY RUSSELL LLP | 362 |
| 11 | BIRCH STEWART KOLACH & BIRCH, LLP | 357 |
| 12 | NORTON ROSE FULBRIGHT | 356 |
| 13 | NIXON & VANDERHYE P.C. | 355 |
| 14 | MORGAN LEWIS & BOCKIUS LLP | 309 |
| 15 | MICHAEL BEST & FRIEDRICH LLP | 268 |
| 16 | SUGHRUE MION, PLC | 265 |
| 17 | WENDEROTH, LIND & PONACK, L.L.P. | 252 |
| 18 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 247 |
| 19 | PEARNE & GORDON LLP | 219 |
| 20 | BRINKS GILSON & LIONE | 216 |
| 21 | KILPATRICK TOWNSEND & STOCKTON LLP | 204 |
| 22 | ARMSTRONG TEASDALE LLP | 203 |
| 23 | BUCHANAN INGERSOLL & ROONEY P.C | 199 |
| 24 | DICKINSON WRIGHT PLLC | 197 |
| 24 | BARNES & THORNBURG LLP | 197 |
| 26 | MCANDREWS, HELD & MALLOY, LTD. | 182 |
| 26 | SNELL & WILMER L.L.P. | 182 |
| 28 | STUDEBAKER & BRACKETT PC | 171 |
| 29 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 168 |
| 30 | WOMBLE BOND DICKINSON (US) LLP | 165 |
| 30 | CROWELL & MORING LLP | 165 |
| 32 | BAKER & HOSTETLER LLP | 159 |
| 33 | BROOKS KUSHMAN, P.C. | 158 |
| 34 | KED & ASSOCIATES LLP | 157 |
| 34 | FLETCHER YODER P.C. | 157 |
| 36 | NEAL, GERBER & EISENBERG LLP | 155 |
| 37 | POSZ LAW GROUP, PLC | 154 |
| 38 | CARTER, DELUCA, FARRELL & SCHMIDT, LLP | 153 |
| 39 | MARSHALL, GERSTEIN & BORUN LLP | 147 |
| 40 | MCGARRY BAIR PC | 145 |
| 40 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 145 |
| 42 | MAGINOT MOORE & BECK LLP | 143 |
| 43 | THE WEBB LAW FIRM | 139 |
| 44 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 138 |
| 45 | GREENBLUM & BERNSTEIN P.L.C. | 136 |
| 46 | LEYDIG, VOIT & MAYER, LTD | 135 |
| 47 | OSHA BERGMAN WATANABE & BURTON LLP | 133 |
| 48 | FAEGRE DRINKER BIDDLE & REATH LLP | 131 |
| 48 | MERCHANT & GOULD P.C. | 131 |
| 50 | PRICE HENEVELD LLP | 128 |
| 51 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 127 |
| 52 | BAKER BOTTS L.L.P | 126 |
| 53 | JCIPRNET | 122 |
| 53 | BANNER & WITCOFF, LTD | 122 |
| 55 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 120 |
| 56 | LORENZ & KOPF LLP | 119 |
| 56 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 119 |
| 58 | K&L GATES LLP | 118 |
| 59 | RANKIN, HILL & CLARK LLP | 116 |
| 60 | GREER BURNS & CRAIN LTD. | 115 |
| 60 | DINSMORE & SHOHL LLP | 115 |
| 62 | TAFT STETTININUS & HOLLISTER LLP | 111 |
| 63 | FITCH, EVEN, TABIN & FLANNERY LLP | 110 |
| 64 | HAUPTMAN HAM LLP | 108 |
| 65 | QUARLES & BRADY LLP | 104 |
| 65 | GETZ BALICH | 104 |
| 65 | PERKINS COIE LLP | 104 |
| 65 | HOWARD & HOWARD ATTORNEYS PLLC | 104 |
| 65 | KINNEY & LANGE, P.A. | 104 |
| 65 | DORSEY & WHITNEY LLP | 104 |
| 71 | RATNERPRESTIA | 101 |
| 72 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 99 |
| 72 | KLARQUIST SPARKMAN, LLP | 99 |
| 74 | MCDERMOTT WILL & EMERY LLP | 97 |
| 75 | VOLPE & KOENIG, P.C. | 96 |
| 76 | WORKMAN NYDEGGER | 95 |
| 76 | MAIER & MAIER, PLLC | 95 |
| 76 | GLOBAL IP COUNCELORS, LLP | 95 |
| 79 | POLSINELLI LLP | 94 |
| 80 | RENNER OTTO BOISSELLE & SKLAR, LLP | 93 |
| 80 | QUINN IP LAW | 93 |
| 82 | WESTMAN CHAMPLIN & KOEHLER, P.A. | 91 |
| 82 | PATTERSON & SHERIDAN, LLP. | 91 |
| 82 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 91 |
| 85 | FISHMAN STEWART PLLC | 88 |
| 85 | COLLARD & ROE, P. C. | 88 |
| 87 | TROUTMAN PEPPER | 87 |
| 87 | BACHMAN & LAPOINTE, P.C. | 87 |
| 89 | SEED INTELLECTUAL PROPERTY LAW GROUP | 86 |
| 90 | SHERIDAN ROSS P.C. | 85 |
| 90 | LOCKE LORD LLP | 85 |
| 90 | COZEN O'CONNOR | 85 |
| 90 | HOFFMAN WARNICK LLC | 85 |
| 94 | MAYER & WILLIAMS PC | 84 |
| 94 | VENABLE LLP | 84 |
| 96 | MCGLEW AND TUTTLE, P.C. | 83 |
| 96 | PANITCH SCHWARZE BELISARIO & NADEL LLP | 83 |
| 96 | ANDRUS INTELLECTAUL PROPERTY LAW, LLP | 83 |
| 99 | STAAS & HALSEY LLP | 81 |
| 99 | REISING ETHINGTON P.C. | 81 |
| 99 | SHUMAKER, LOOP & KENDRICK, LLP | 81 |
| 102 | SHOOK, HARDY & BACON L.L.P. | 79 |
| 102 | SHUMAKER & SIEFFERT, P.A. | 79 |
| 102 | EVERSHEDS SUTHERLAND (US) LLP | 79 |
| 105 | BURRIS LAW, PLLC | 78 |
| 106 | BOOKOFF MCANDREWS, LLC | 77 |
| 106 | INVENSTONE PATENT, LLC | 77 |
| 106 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 77 |
| 109 | FISHERBROYLES LLP | 75 |
| 110 | YOUNG & THOMPSON | 74 |
| 110 | FROST BROWN TODD LLC | 74 |
| 112 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 73 |
| 113 | GREENBERG TRAURIG LLP | 71 |
| 114 | HANLEY FLIGHT & ZIMMERMAN, LLC | 70 |
| 115 | WOLF, GREENFIELD & SACKS, P.C. | 69 |
| 116 | PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP | 68 |
| 116 | BLANK ROME LLP | 68 |
| 118 | CALFEE HALTER & GRISWOLD LLP | 67 |
| 119 | WOOD HERRON & EVANS LLP | 66 |
| 120 | THOMAS HORSTEMEYER, LLP | 65 |
| 120 | BERESKIN & PARR LLP | 65 |
| 120 | KING & SCHICKLI, PLLC | 65 |
| 120 | EDELL, SHAPIRO & FINNAN LLC | 65 |
| 124 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 64 |
| 124 | RABIN & BERDO, P.C. | 64 |
| 124 | BAKER HUGHES PATENT ORGANIZATION | 64 |
| 127 | SHUTTLEWORTH & INGERSOLL, PLC | 62 |
| 128 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 61 |
| 128 | MCCARTER & ENGLISH, LLP | 61 |
| 130 | MCCORMICK, PAULDING & HUBER LLP | 60 |
| 130 | LUCAS & MERCANTI, LLP | 60 |
| 130 | ALSTON & BIRD LLP | 60 |
| 133 | MASCHOFF BRENNAN | 57 |
| 134 | CONLEY ROSE, P.C. | 56 |
| 135 | PENILLA IP, APC | 55 |
| 135 | MILLER, MATTHIAS & HULL LLP | 55 |
| 135 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 55 |
| 135 | COOPER LEGAL GROUP LLC | 55 |
| 135 | BOYLE FREDRICKSON S.C. | 55 |
| 140 | LEASON ELLIS LLP | 54 |
| 140 | RUTAN & TUCKER LLP | 54 |
| 140 | MORRISON & FOERSTER LLP | 54 |
| 140 | DENTONS LLP | 54 |
| 144 | SLAYDEN GRUBERT BEARD PLLC | 53 |
| 144 | KLINTWORTH & ROZENBLAT IP LLC | 53 |
| 146 | HAYNES AND BOONE, LLP | 52 |
| 146 | ROSENBERG, KLEIN & LEE | 52 |
| 146 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 52 |
| 146 | OSTROLENK FABER LLP | 52 |
| 150 | MCNEES WALLACE & NURICK LLC | 51 |
| 150 | ROTHWELL, FIGG, ERNST & MANBECK P.C. | 51 |
| 150 | KIRTON MCCONKIE, PC | 51 |
| 150 | DAVIDSON, DAVIDSON & KAPPEL, LLC | 51 |
| 154 | REINHART BOERNER VAN DEUREN P.C. | 50 |
| 154 | TRASKBRITT P.C. | 50 |
| 154 | BURR & FORMAN LLP | 50 |
| 154 | HUSCH BLACKWELL 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