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 2018 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 | 557 |
| 2 | BROOKS KUSHMAN, P.C. | 548 |
| 3 | CANTOR COLBURN LLP | 534 |
| 4 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 457 |
| 5 | HARNESS, DICKEY & PIERCE P.L.C. | 449 |
| 6 | KNOBBE MARTENS OLSON & BEAR LLP | 337 |
| 7 | SUGHRUE MION, PLC | 333 |
| 8 | MCDERMOTT WILL & EMERY LLP | 321 |
| 9 | KILPATRICK TOWNSEND & STOCKTON LLP | 304 |
| 10 | BIRCH STEWART KOLACH & BIRCH, LLP | 275 |
| 11 | BRINKS GILSON & LIONE | 226 |
| 12 | FOLEY & LARDNER LLP | 225 |
| 12 | CROWELL & MORING LLP | 225 |
| 14 | MORGAN LEWIS & BOCKIUS LLP | 221 |
| 15 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 217 |
| 16 | PRICE HENEVELD LLP | 213 |
| 17 | FISH & RICHARDSON P.C. | 203 |
| 18 | MICHAEL BEST & FRIEDRICH LLP | 202 |
| 19 | LORENZ & KOPF LLP | 200 |
| 20 | NORTON ROSE FULBRIGHT | 195 |
| 21 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 188 |
| 22 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 187 |
| 23 | DINSMORE & SHOHL LLP | 185 |
| 24 | BAKER BOTTS L.L.P | 181 |
| 25 | THE WEBB LAW FIRM | 174 |
| 26 | QUINN IP LAW | 172 |
| 27 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 171 |
| 28 | BEJIN BIENEMAN PLC | 168 |
| 29 | BARNES & THORNBURG LLP | 161 |
| 30 | GLOBAL IP COUNCELORS, LLP | 159 |
| 31 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 158 |
| 32 | SNELL & WILMER L.L.P. | 155 |
| 33 | HAUPTMAN HAM LLP | 153 |
| 34 | KING & SCHICKLI, PLLC | 152 |
| 35 | BUCHANAN INGERSOLL & ROONEY P.C | 151 |
| 36 | PATTERSON & SHERIDAN, LLP. | 146 |
| 37 | WENDEROTH, LIND & PONACK, L.L.C. | 139 |
| 38 | STUDEBAKER & BRACKETT PC | 136 |
| 39 | GREENBLUM & BERNSTEIN P.L.C. | 134 |
| 40 | VOLPE & KOENIG, P.C. | 133 |
| 41 | RANKIN, HILL & CLARK LLP | 132 |
| 41 | NIXON & VANDERHYE P.C. | 132 |
| 41 | DORITY & MANNING, P.A. | 132 |
| 44 | BAKER & HOSTETLER LLP | 125 |
| 44 | BANNER & WITCOFF, LTD | 125 |
| 46 | ANDRUS INTELLECTAUL PROPERTY LAW, LLP | 124 |
| 47 | WORKMAN NYDEGGER | 123 |
| 48 | YOUNG & THOMPSON | 122 |
| 49 | MERCHANT & GOULD P.C. | 119 |
| 50 | TAFT STETTININUS & HOLLISTER LLP | 117 |
| 51 | CARLSON, GAKSEY & OLDS. P.C. | 116 |
| 52 | MCCOY RUSSELL LLP | 115 |
| 53 | HAYNES & BOONE, LLP | 114 |
| 54 | DICKINSON WRIGHT PLLC | 112 |
| 55 | BLANK ROME LLP | 108 |
| 55 | ALSTON & BIRD LLP | 108 |
| 57 | SKF USA INC. PATENT DEPT. | 106 |
| 57 | MARSHALL, GERSTEIN & BORUN LLP | 106 |
| 59 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 102 |
| 59 | FITZPATRICK, CELLA, HARPER & SCINTO | 102 |
| 61 | MILLER, MATTHIAS & HULL LLP | 101 |
| 62 | GREER BURNS & CRAIN LTD. | 100 |
| 63 | FITCH, EVEN, TABIN & FLANNERY LLP | 99 |
| 64 | WOMBLE BOND DICKINSON (US) LLP | 98 |
| 64 | REISING ETHINGTON P.C. | 98 |
| 66 | NEAL, GERBER & EISENBERG LLP | 95 |
| 67 | RABIN & BERDO, P.C. | 93 |
| 68 | TRASKBRITT P.C. | 92 |
| 68 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 92 |
| 68 | PEARNE & GORDON LLP | 92 |
| 71 | LOCKE LORD LLP | 91 |
| 72 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 90 |
| 73 | DARROW MUSTAFA PC | 89 |
| 74 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 88 |
| 74 | RENNER OTTO BOISSELLE & SKLAR, LLP | 88 |
| 74 | OSHA LIANG LLP | 88 |
| 74 | GE GLOBAL PATENT OPERATION | 88 |
| 78 | LEE & HAYES PLLC | 85 |
| 79 | DRINKER BIDDLE & REATH LLP | 84 |
| 79 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 84 |
| 81 | WOOD HERRON & EVANS LLP | 82 |
| 81 | WESTMAN CHAMPLIN & KOEHER, P.A. | 82 |
| 83 | PERKINS COIE LLP | 80 |
| 83 | LEYDIG, VOIT & MAYER, LTD | 80 |
| 85 | MORI & WARD, LLP | 78 |
| 86 | FLETCHER YODER P.C. | 77 |
| 87 | CARRIER BLACKMAN & ASSOCIATES, P.C. | 76 |
| 88 | QUARLES & BRADY LLP | 75 |
| 88 | SHUMAKER, LOOP & KENDRICK, LLP | 75 |
| 88 | HENRY M. FEIEREISEN LLC | 75 |
| 91 | SHERIDAN ROSS P.C. | 74 |
| 91 | KEATING & BENNETT, LLP | 74 |
| 93 | FAEGRE BAKER DANIELS LLP | 73 |
| 94 | KAMRATH IP LAWFIRM, P.A. | 72 |
| 95 | DAVIDSON, DAVIDSON & KAPPEL, LLC | 71 |
| 96 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 70 |
| 97 | NELSON MULLINS RILEY & SCARBOROUGH LLP | 69 |
| 98 | ARMSTRONG TEASDALE LLP | 67 |
| 99 | MACMILLAN, SOBANSKI & TODD, LLC | 66 |
| 99 | HOVEY WILLIAMS LLP | 66 |
| 101 | COZEN O'CONNOR | 64 |
| 101 | DORSEY & WHITNEY LLP | 64 |
| 103 | HANLEY FLIGHT & ZIMMERMAN, LLC | 63 |
| 104 | MASCHOFF BRENNAN | 62 |
| 104 | COLLARD & ROE, P. C. | 62 |
| 106 | WOLF, GREENFIELD & SACKS, P.C. | 61 |
| 106 | POLSINELLI LLP | 61 |
| 106 | SEED INTELLECTUAL PROPERTY LAW GROUP | 61 |
| 109 | CONLEY ROSE, P.C. | 60 |
| 110 | JENKINS, WILSON, TAYLOR & HUNT, P.A. | 59 |
| 111 | STAAS & HALSEY LLP | 58 |
| 112 | RATNERPRESTIA | 57 |
| 112 | PATENT PORTFOLIO BUILDERS, PLLC | 57 |
| 112 | DAVIS & BUJOLD, PLLC | 57 |
| 115 | POSZ LAW GROUP, PLC | 56 |
| 115 | HUSCH BLACKWELL LLP | 56 |
| 115 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 56 |
| 115 | FAY SHARPE LLP | 56 |
| 115 | BRACEWELL LLP | 56 |
| 120 | THOMAS HORSTEMEYER, LLP | 55 |
| 120 | SCHMEISER, OLSEN & WATTS, LLP | 55 |
| 120 | MAGINOT MOORE & BECK LLP | 55 |
| 120 | LEASON ELLIS LLP | 55 |
| 124 | HUNTON ANDREWS KURTH LLP | 54 |
| 125 | LADAS & PARRY LLP | 53 |
| 126 | MOORE & VAN ALLEN PLLC | 52 |
| 126 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 52 |
| 126 | LEMPIA SUMMERFIELD KATZ LLC | 52 |
| 126 | HESLIN ROTHENBERG FARLEY & MESITI P.C. | 52 |
| 126 | HOGAN LOVELLS US LLP | 52 |
| 131 | FOX ROTHSCHILD LLP | 51 |
| 131 | CANON U.S.A. INC. IP DIVISION | 51 |
| 133 | TUMEY L.L.P. | 50 |
| 133 | ROBERTS MLOTKOSKI SAFRAN COLE & CALDERON, P.C. | 50 |
If you have any questions about the Top Patent Firms 2018 list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com