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 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 | CANTOR COLBURN LLP | 662 |
| 2 | OLIFF PLC | 605 |
| 3 | BROOKS KUSHMAN, P.C. | 516 |
| 4 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 513 |
| 5 | KNOBBE MARTENS OLSON & BEAR LLP | 413 |
| 6 | HARNESS, DICKEY & PIERCE P.L.C. | 402 |
| 7 | MORGAN LEWIS & BOCKIUS LLP | 388 |
| 8 | SUGHRUE MION, PLC | 374 |
| 9 | KILPATRICK TOWNSEND & STOCKTON LLP | 317 |
| 10 | PRICE HENEVELD LLP | 312 |
| 10 | FISH & RICHARDSON P.C. | 312 |
| 12 | FOLEY & LARDNER LLP | 284 |
| 13 | MICHAEL BEST & FRIEDRICH LLP | 256 |
| 14 | BIRCH STEWART KOLACH & BIRCH, LLP | 255 |
| 15 | NORTON ROSE FULBRIGHT | 253 |
| 16 | BRINKS GILSON & LIONE | 251 |
| 17 | LORENZ & KOPF LLP | 238 |
| 18 | DORITY & MANNING, P.A. | 232 |
| 19 | CROWELL & MORING LLP | 227 |
| 20 | GREENBLUM & BERNSTEIN P.L.C. | 221 |
| 21 | BAKER BOTTS L.L.P | 206 |
| 22 | BEJIN BIENEMAN PLC | 204 |
| 23 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 198 |
| 24 | NIXON & VANDERHYE P.C. | 196 |
| 25 | GLOBAL IP COUNCELORS, LLP | 193 |
| 26 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 192 |
| 27 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 191 |
| 28 | DINSMORE & SHOHL LLP | 190 |
| 29 | BUCHANAN INGERSOLL & ROONEY P.C | 189 |
| 30 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 188 |
| 31 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 184 |
| 31 | BARNES & THORNBURG LLP | 184 |
| 33 | WENDEROTH, LIND & PONACK, L.L.C. | 172 |
| 34 | FITCH, EVEN, TABIN & FLANNERY LLP | 171 |
| 35 | THE WEBB LAW FIRM | 167 |
| 36 | VENABLE LLP | 164 |
| 37 | SNELL & WILMER L.L.P. | 160 |
| 37 | PATTERSON & SHERIDAN, LLP. | 160 |
| 39 | RANKIN, HILL & CLARK LLP | 158 |
| 40 | YOUNG & THOMPSON | 156 |
| 41 | HAYNES & BOONE, LLP | 154 |
| 42 | WOMBLE BOND DICKINSON (US) LLP | 151 |
| 42 | DICKINSON WRIGHT PLLC | 151 |
| 44 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 150 |
| 45 | KING & SCHICKLI, PLLC | 148 |
| 46 | TAFT STETTININUS & HOLLISTER LLP | 143 |
| 47 | MERCHANT & GOULD P.C. | 138 |
| 48 | QUINN IP LAW | 136 |
| 48 | VOLPE & KOENIG, P.C. | 136 |
| 50 | MCCOY RUSSELL LLP | 135 |
| 51 | REISING ETHINGTON P.C. | 134 |
| 52 | BAKER & HOSTETLER LLP | 130 |
| 53 | HAUPTMAN HAM LLP | 129 |
| 54 | CARLSON, GAKSEY & OLDS. P.C. | 127 |
| 55 | LEYDIG, VOIT & MAYER, LTD | 124 |
| 56 | STUDEBAKER & BRACKETT PC | 122 |
| 57 | NEAL, GERBER & EISENBERG LLP | 121 |
| 58 | BANNER & WITCOFF, LTD | 120 |
| 59 | WORKMAN NYDEGGER | 114 |
| 59 | MARSHALL, GERSTEIN & BORUN LLP | 114 |
| 59 | GREER BURNS & CRAIN LTD. | 114 |
| 62 | RENNER OTTO BOISSELLE & SKLAR, LLP | 111 |
| 63 | BRACEWELL LLP | 110 |
| 64 | FAEGRE BAKER DANIELS LLP | 109 |
| 65 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 108 |
| 66 | MAIER & MAIER, PLLC | 107 |
| 67 | WOOD HERRON & EVANS LLP | 104 |
| 67 | KEATING & BENNETT, LLP | 104 |
| 67 | DORSEY & WHITNEY LLP | 104 |
| 67 | ANDRUS INTELLECTAUL PROPERTY LAW, LLP | 104 |
| 71 | SHERIDAN ROSS P.C. | 102 |
| 72 | PERKINS COIE LLP | 101 |
| 72 | MCDERMOTT WILL & EMERY LLP | 101 |
| 74 | WESTMAN CHAMPLIN & KOEHER, P.A. | 97 |
| 74 | BLANK ROME LLP | 97 |
| 74 | ARMSTRONG TEASDALE LLP | 97 |
| 77 | OSHA LIANG LLP | 96 |
| 78 | ALSTON & BIRD LLP | 95 |
| 79 | SEED INTELLECTUAL PROPERTY LAW GROUP | 93 |
| 79 | RATNERPRESTIA | 93 |
| 81 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 92 |
| 82 | SCHMEISER, OLSEN & WATTS, LLP | 91 |
| 83 | SKF USA INC. PATENT DEPT. | 90 |
| 83 | LEE & HAYES PLLC | 90 |
| 85 | PEARNE & GORDON LLP | 88 |
| 86 | LOCKE LORD LLP | 87 |
| 86 | JCIPRNET | 87 |
| 88 | DARROW MUSTAFA PC | 86 |
| 89 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 85 |
| 89 | HANLEY FLIGHT & ZIMMERMAN, LLC | 85 |
| 89 | DRINKER BIDDLE & REATH LLP | 85 |
| 92 | HUNTON ANDREWS KURTH LLP | 84 |
| 93 | QUARLES & BRADY LLP | 83 |
| 93 | MAGINOT MOORE & BECK LLP | 83 |
| 95 | COLLARD & ROE, P. C. | 82 |
| 96 | THE SMALL PATENT LAW GROUP, LLC | 81 |
| 96 | MORI & WARD, LLP | 81 |
| 96 | DAVIS & BUJOLD, PLLC | 81 |
| 99 | MCGUIREWOODS LLP | 79 |
| 100 | MACMILLAN, SOBANSKI & TODD, LLC | 78 |
| 101 | TRASKBRITT P.C. | 76 |
| 101 | RABIN & BERDO, P.C. | 76 |
| 103 | POLSINELLI LLP | 75 |
| 103 | FAY SHARPE LLP | 75 |
| 105 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 73 |
| 106 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 72 |
| 107 | WOLF, GREENFIELD & SACKS, P.C. | 71 |
| 107 | FLETCHER YODER P.C. | 71 |
| 109 | CHAMBERLAIN HRDLICKA | 69 |
| 109 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 69 |
| 109 | COZEN O'CONNOR | 69 |
| 112 | THOMAS HORSTEMEYER, LLP | 68 |
| 112 | LEMPIA SUMMERFIELD KATZ LLC | 68 |
| 114 | ROBERTS MLOTKOSKI SAFRAN COLE & CALDERON, P.C. | 67 |
| 114 | MCGLEW AND TUTTLE, P.C. | 67 |
| 114 | JENKINS, WILSON, TAYLOR & HUNT, P.A. | 67 |
| 117 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 66 |
| 118 | SLATER & MATSIL, LLP | 65 |
| 118 | GREENBERG TRAURIG LLP | 65 |
| 118 | CALFEE HALTER & GRISWOLD LLP | 65 |
| 121 | SCHWABE, WILLIAMSON & WYATT, P.C. | 64 |
| 122 | NELSON MULLINS RILEY & SCARBOROUGH LLP | 63 |
| 122 | HOWARD & HOWARD ATTORNEYS PLLC | 63 |
| 124 | TROUTMAN SANDERS LLP | 61 |
| 124 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 61 |
| 124 | FISHERBROYLES LLP | 61 |
| 127 | ROSENBERG, KLEIN & LEE | 60 |
| 127 | MILLER, MATTHIAS & HULL LLP | 60 |
| 127 | LADAS & PARRY LLP | 60 |
| 130 | POSZ LAW GROUP, PLC | 59 |
| 130 | LAWRENCE YOUST PLLC | 59 |
| 130 | FOX ROTHSCHILD LLP | 59 |
| 130 | ATHORUS, PLLC | 59 |
| 130 | CARRIER BLACKMAN & ASSOCIATES, P.C. | 59 |
| 135 | PATENT PORTFOLIO BUILDERS, PLLC | 58 |
| 135 | MARSHALL & MELHORN, LLC | 58 |
| 135 | KOLITCH ROMANO LLP | 58 |
| 135 | FENWICK & WEST LLP | 58 |
| 139 | PATTERSON INTELLECTUAL PROPERTY LAW, P.C. | 57 |
| 139 | C. TUMEY LAW GROUP PLLC | 57 |
| 141 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 56 |
| 141 | MASCHOFF BRENNAN | 56 |
| 141 | BOYLE FREDRICKSON S.C. | 56 |
| 144 | UNITED IP COUNSELORS, LLC | 55 |
| 144 | MCGINN IP LAW GROUP, PLLC | 55 |
| 144 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 55 |
| 144 | LEASON ELLIS LLP | 55 |
| 144 | AMIN, TUROCY & WATSON, LLP | 55 |
| 149 | VAN PELT, YI & JAMES LLP | 54 |
| 149 | STINSON LEONARD STREET LLP | 54 |
| 149 | SHOOK, HARDY & BACON L.L.P. | 54 |
| 152 | PERMAN & GREEN, LLP | 53 |
| 152 | MYERS BIGEL, P.A. | 53 |
| 152 | ARENT FOX LLP | 53 |
| 152 | CONLEY ROSE, P.C. | 53 |
| 156 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 52 |
| 156 | ANOVA LAW GROUP, PLLC | 52 |
| 158 | STAAS & HALSEY LLP | 51 |
| 158 | BERENATO & WHITE, LLC | 51 |
| 160 | RENNER KENNER GREIVE BOBAK TAYLOR & WEBER | 50 |
| 160 | THE DOBRUSIN LAW FIRM P.C. | 50 |
| 160 | THYSSENKRUPP NORTH AMERICA, INC. | 50 |
| 160 | NIXON & PEABODY 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