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 in technology center 2400. 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 | BIRCH STEWART KOLACH & BIRCH, LLP | 558 |
| 2 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 541 |
| 3 | LEE HONG DEGERMAN KANG & WAIMEY | 537 |
| 4 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 525 |
| 5 | SUGHRUE MION, PLC | 492 |
| 6 | KILPATRICK TOWNSEND & STOCKTON LLP | 482 |
| 7 | FISH & RICHARDSON P.C. | 474 |
| 8 | LEYDIG, VOIT & MAYER, LTD | 404 |
| 9 | SLATER & MATSIL, LLP | 381 |
| 10 | JEFFERSON IP LAW, LLP | 360 |
| 11 | XSENSUS, LLP | 344 |
| 12 | KNOBBE MARTENS OLSON & BEAR LLP | 340 |
| 13 | DENTONS LLP | 330 |
| 14 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 303 |
| 15 | PATTERSON & SHERIDAN, LLP. | 297 |
| 16 | SHUMAKER & SIEFFERT, P.A. | 295 |
| 17 | POLSINELLI LLP | 291 |
| 18 | CONLEY ROSE, P.C. | 278 |
| 19 | ARENT FOX LLP | 277 |
| 20 | MEYERTONS, HOOD, KIVLIN, KOWERT & GOETZEL, P.C. | 276 |
| 21 | HOLLAND & HART LLP | 270 |
| 22 | BANNER & WITCOFF, LTD | 261 |
| 23 | FENWICK & WEST LLP | 255 |
| 24 | HARNESS, DICKEY & PIERCE P.L.C. | 249 |
| 25 | BAKER & HOSTETLER LLP | 242 |
| 26 | FOLEY & LARDNER LLP | 241 |
| 26 | BAKER BOTTS L.L.P | 241 |
| 28 | MORGAN LEWIS & BOCKIUS LLP | 240 |
| 29 | SEED INTELLECTUAL PROPERTY LAW GROUP | 239 |
| 29 | CANTOR COLBURN LLP | 239 |
| 31 | SAGE PATENT GROUP | 236 |
| 32 | STAAS & HALSEY LLP | 213 |
| 33 | PERKINS COIE LLP | 200 |
| 34 | DAVIS WRIGHT TREMAINE LLP | 199 |
| 35 | NIXON & VANDERHYE P.C. | 197 |
| 35 | AMIN, TUROCY & WATSON, LLP | 197 |
| 37 | FISHERBROYLES LLP | 194 |
| 38 | LEE & HAYES PLLC | 192 |
| 39 | THE FARRELL LAW FIRM, P.C | 191 |
| 40 | SHEPPARD, MULLIN, RICHTER & HAMPTON LLP | 187 |
| 41 | LOWENSTEIN & SANDLER LLP | 185 |
| 42 | GUNTIN & GUST, PLC | 181 |
| 43 | WOMBLE BOND DICKINSON (US) LLP | 179 |
| 43 | HANLEY FLIGHT & ZIMMERMAN, LLC | 179 |
| 45 | HAYNES & BOONE, LLP | 174 |
| 46 | VOLPE & KOENIG, P.C. | 171 |
| 47 | CANON U.S.A. INC. IP DIVISION | 166 |
| 48 | HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT | 165 |
| 49 | MERCHANT & GOULD P.C. | 159 |
| 50 | VAN PELT, YI & JAMES LLP | 158 |
| 51 | HARRITY & HARRITY, LLP | 156 |
| 52 | WENDEROTH, LIND & PONACK, L.L.C. | 154 |
| 53 | OLIFF PLC | 152 |
| 54 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 151 |
| 54 | EDELL, SHAPIRO & FINNAN LLC | 151 |
| 56 | CHIP LAW GROUP | 148 |
| 57 | BRINKS GILSON & LIONE | 147 |
| 58 | HALEY GUILIANO LLP | 145 |
| 59 | WORKMAN NYDEGGER | 141 |
| 59 | ADELI LLP | 141 |
| 61 | NICHOLSON DE VOS WEBSTER & ELLIOT LLP | 140 |
| 62 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 139 |
| 63 | MURPHY, BILAK & HOMILLER, PLLC | 135 |
| 64 | GREENBLUM & BERNSTEIN P.L.C. | 127 |
| 65 | GARLICK & MARKISON | 126 |
| 66 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 123 |
| 67 | PATENT PORTFOLIO BUILDERS, PLLC | 119 |
| 68 | NORTON ROSE FULBRIGHT | 118 |
| 69 | MASCHOFF BRENNAN | 116 |
| 69 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 116 |
| 69 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 116 |
| 69 | BARNES & THORNBURG LLP | 116 |
| 73 | THOMAS HORSTEMEYER, LLP | 114 |
| 73 | COATS & BENNETT, P.L.L.C. | 114 |
| 75 | KLARQUIST SPARKMAN, LLP | 110 |
| 76 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 109 |
| 76 | GREENBERG TRAURIG LLP | 109 |
| 78 | LOZA & LOZA, LLP | 107 |
| 78 | BUCHANAN INGERSOLL & ROONEY P.C | 107 |
| 80 | HARRINGTON & SMITH | 106 |
| 81 | TUCKER ELLIS LLP | 105 |
| 81 | MCCLURE, QUALEY & RODACK, LLP | 105 |
| 83 | MICHAEL BEST & FRIEDRICH LLP | 103 |
| 84 | ROTHWELL, FIGG, ERNST & MANBECK P.C. | 102 |
| 84 | BEHMKE INNOVATION GROUP, LLC | 102 |
| 86 | RYAN, MASON & LEWIS, LLP | 100 |
| 86 | OSHA LIANG LLP | 100 |
| 88 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 98 |
| 89 | SCHWABE, WILLIAMSON & WYATT, P.C. | 96 |
| 89 | STUDEBAKER & BRACKETT PC | 96 |
| 91 | SQUIRE PATTON BOGGS (US) LLP | 95 |
| 92 | ANOVA LAW GROUP, PLLC | 94 |
| 93 | HICKMAN PALERMO BECKER BINGHAM LLP | 93 |
| 94 | SCIENBIZIP, P.C. | 92 |
| 95 | FLETCHER YODER P.C. | 90 |
| 96 | VENABLE LLP | 88 |
| 96 | SCHMEISER, OLSEN & WATTS, LLP | 88 |
| 96 | BRAKE HUGHES BELLERMAN LLP | 88 |
| 99 | NSIP LAW | 87 |
| 100 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 84 |
| 100 | HESLIN ROTHENBERG FARLEY & MESITI P.C. | 84 |
| 100 | JCIPRNET | 84 |
| 103 | LORENZ & KOPF LLP | 82 |
| 104 | MCANDREWS, HELD & MALLOY, LTD. | 81 |
| 104 | FUJITSU PATENT CENTER | 81 |
| 104 | ALSTON & BIRD LLP | 81 |
| 107 | WITHROW & TERRANOVA, P.L.L.C. | 79 |
| 108 | KEATING & BENNETT, LLP | 78 |
| 109 | MCDERMOTT WILL & EMERY LLP | 77 |
| 110 | THORPE NORTH & WESTERN LLP | 76 |
| 110 | LOCKE LORD LLP | 76 |
| 112 | TOLER LAW GROUP, P.C. | 73 |
| 112 | LADAS & PARRY LLP | 73 |
| 114 | SHOOK, HARDY & BACON L.L.P. | 72 |
| 115 | DICKINSON WRIGHT PLLC | 71 |
| 116 | DLA PIPER LLP | 70 |
| 116 | EVERSHEDS SUTHERLAND (US) LLP | 70 |
| 116 | FAY SHARPE LLP | 70 |
| 119 | WOLF, GREENFIELD & SACKS, P.C. | 69 |
| 120 | PARATUS LAW GROUP, PLLC | 67 |
| 120 | BLANK ROME LLP | 67 |
| 122 | TROP PRUNER & HU, P.C. | 66 |
| 122 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 66 |
| 122 | MATTINGLY & MALUR, PC | 66 |
| 122 | HOGAN LOVELLS US LLP | 66 |
| 126 | MOORE & VAN ALLEN PLLC | 65 |
| 126 | BYRNE POH LLP | 65 |
| 128 | ZILKA-KOTAB, P.C. | 63 |
| 129 | IP LEGAL SERVICES, LLC | 62 |
| 130 | K&L GATES LLP | 61 |
| 131 | HAUPTMAN HAM LLP | 60 |
| 131 | JAFFERY WATSON MENDONSA & HAMILTON LLC | 60 |
| 131 | ARTEGIS LAW GROUP, LLP | 60 |
| 134 | WILMER CUTLER PICKERING HALE AND DORR LLP | 59 |
| 134 | WESTMAN CHAMPLIN & KOEHER, P.A. | 59 |
| 134 | LEFFLER INTELLECTUAL PROPERTY LAW, PLLC | 59 |
| 134 | CONDO ROCCIA KOPTIW LLP | 59 |
| 138 | SPRINKLE IP LAW GROUP | 58 |
| 138 | HARTMAN & CITRIN LLC | 58 |
| 140 | SHERIDAN ROSS P.C. | 57 |
| 141 | PATENT CAPITAL GROUP | 56 |
| 141 | KLIGLER & ASSOCIATES | 56 |
| 141 | CLEMENTS BENARD WALKER PLLC | 56 |
| 144 | PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP | 52 |
| 144 | COOPER LEGAL GROUP LLC | 52 |
| 144 | BUCKLEY, MASCHOFF & TALWALKAR LLC | 52 |
| 147 | TUTUNJIAN & BITETTO, P.C. | 51 |
| 147 | YOUNG & THOMPSON | 51 |
| 147 | QUALCOMM INCORPORATED | 51 |
| 150 | IMPERIUM PATENT WORKS | 50 |
| 150 | BOOKOFF MCANDREWS, LLC | 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