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 2021 where the patent firms were listed on the front of the utility patents, and the art unit is in technology center 2100. 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 - Overall | Law Firm Name | 2021 Patents | 2020 Patents | YoY Difference |
|---|---|---|---|---|
| 1 | FISH & RICHARDSON P.C. | 638 | 723 | -12% |
| 2 | SCHWEGMAN LUNDBERG & WOESSNER P.A. | 612 | 503 | 22% |
| 3 | CANTOR COLBURN LLP | 443 | 451 | -2% |
| 4 | KNOBBE MARTENS OLSON & BEAR LLP | 394 | 314 | 25% |
| 5 | PATTERSON & SHERIDAN LLP. | 318 | 341 | -7% |
| 6 | KOWERT HOOD MUNYON RANKIN & GOETZEL P.C. | 305 | 321 | -5% |
| 7 | FOLEY & LARDNER LLP | 292 | 314 | -7% |
| 8 | KILPATRICK TOWNSEND & STOCKTON LLP | 290 | 385 | -25% |
| 9 | WOMBLE BOND DICKINSON (US) LLP | 286 | 238 | 20% |
| 10 | NICHOLSON DE VOS WEBSTER & ELLIOTT LLP | 281 | 261 | 8% |
| 11 | LOWENSTEIN & SANDLER LLP | 273 | 271 | 1% |
| 12 | IP & T GROUP LLP | 272 | 238 | 14% |
| 13 | NIXON & VANDERHYE P.C. | 259 | 252 | 3% |
| 14 | MORGAN LEWIS & BOCKIUS LLP | 257 | 270 | -5% |
| 15 | OBLON MCCLELLAND MAIER & NEUSTADT L.L.P. | 253 | 255 | -1% |
| 16 | RYAN MASON & LEWIS LLP | 231 | 182 | 27% |
| 17 | SUGHRUE MION PLC | 221 | 239 | -8% |
| 18 | FINNEGAN HENDERSON FARABOW GARRETT & DUNNER LLP | 220 | 212 | 4% |
| 19 | HESLIN ROTHENBERG FARLEY & MESITI P.C. | 210 | 210 | 0% |
| 20 | FLETCHER YODER P.C. | 208 | 226 | -8% |
| 21 | KONRAD RAYNES DAVDA & VICTOR LLP | 203 | 178 | 14% |
| 22 | BAINWOODHUANG | 189 | 170 | 11% |
| 22 | FENWICK & WEST LLP | 189 | 224 | -16% |
| 24 | HAYNES AND BOONE LLP | 187 | 166 | 13% |
| 25 | AMIN TUROCY & WATSON LLP | 185 | 147 | 26% |
| 26 | HICKMAN BECKER BINGHAM LEDESMA LLP | 176 | 225 | -22% |
| 27 | JCIPRNET | 172 | 164 | 5% |
| 28 | WORKMAN NYDEGGER | 167 | 199 | -16% |
| 29 | PERKINS COIE LLP | 164 | 121 | 36% |
| 30 | HARNESS IP | 160 | 156 | 3% |
| 31 | ZILKA-KOTAB P.C. | 158 | 125 | 26% |
| 32 | BROOKS CAMERON & HUEBSCH PLLC | 157 | 127 | 24% |
| 32 | GREENBERG TRAURIG LLP | 157 | 96 | 64% |
| 34 | SHOOK HARDY & BACON L.L.P. | 156 | 179 | -13% |
| 35 | SCHMEISER OLSEN & WATTS LLP | 155 | 144 | 8% |
| 36 | FUJITSU PATENT CENTER | 150 | 161 | -7% |
| 36 | TUTUNJIAN & BITETTO P.C. | 150 | 103 | 46% |
| 38 | SCULLY SCOTT MURPHY & PRESSER PC | 149 | 127 | 17% |
| 39 | BAKER BOTTS L.L.P | 142 | 132 | 8% |
| 40 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 138 | 113 | 22% |
| 41 | SHEPPARD MULLIN RICHTER & HAMPTON LLP | 136 | 150 | -9% |
| 42 | ROBERTS CALDERON SAFRAN & COLE P.C. | 133 | 89 | 49% |
| 43 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 130 | 153 | -15% |
| 44 | POLSINELLI LLP | 125 | 90 | 39% |
| 45 | CONLEY ROSE P.C. | 124 | 118 | 5% |
| 46 | HOLLAND & HART LLP | 122 | 87 | 40% |
| 47 | BUCKLEY MASCHOFF & TALWALKAR LLC | 120 | 126 | -5% |
| 48 | CHAMBERLAIN HRDLICKA | 119 | 85 | 40% |
| 49 | JAFFERY WATSON MENDONSA & HAMILTON LLC | 118 | 77 | 53% |
| 50 | HANLEY FLIGHT & ZIMMERMAN LLC | 116 | 91 | 27% |
| 51 | COMPASS IP LAW | 113 | 85 | 33% |
| 52 | JEFFERSON IP LAW LLP | 110 | 122 | -10% |
| 53 | DENTONS | 105 | 114 | -8% |
| 54 | VAN PELT YI & JAMES LLP | 102 | 173 | -41% |
| 55 | VOLPE & KOENIG P.C. | 101 | 111 | -9% |
| 56 | BANNER & WITCOFF LTD | 99 | 120 | -18% |
| 57 | LEE & HAYES PLLC | 97 | 90 | 8% |
| 58 | THOMAS HORSTEMEYER LLP | 96 | 76 | 26% |
| 59 | COOPER LEGAL GROUP LLC | 94 | 92 | 2% |
| 59 | INVOKE | 94 | 86 | 9% |
| 61 | KLARQUIST SPARKMAN LLP | 93 | 103 | -10% |
| 62 | ALSTON & BIRD LLP | 92 | 95 | -3% |
| 63 | OLIFF PLC | 91 | 85 | 7% |
| 64 | SCHWABE WILLIAMSON & WYATT P.C. | 90 | 70 | 29% |
| 65 | KACVINSKY DAISAK BLUNI PLLC | 88 | 4 | 2100% |
| 66 | DAVIS WRIGHT TREMAINE LLP | 87 | 117 | -26% |
| 66 | LEYDIG VOIT & MAYER LTD | 87 | 104 | -16% |
| 66 | MATTINGLY & MALUR PC | 87 | 93 | -6% |
| 69 | MERCHANT & GOULD P.C. | 86 | 74 | 16% |
| 69 | TROP PRUNER & HU P.C. | 86 | 81 | 6% |
| 71 | GRIFFITHS & SEATON PLLC | 85 | 104 | -18% |
| 72 | MCDERMOTT WILL & EMERY LLP | 84 | 73 | 15% |
| 73 | DORITY & MANNING P.A. | 83 | 82 | 1% |
| 73 | EDELL SHAPIRO & FINNAN LLC | 83 | 77 | 8% |
| 75 | HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT | 80 | 174 | -54% |
| 76 | BIRCH STEWART KOLACH & BIRCH LLP | 79 | 83 | -5% |
| 76 | K&L GATES LLP | 79 | 100 | -21% |
| 76 | MCCLURE QUALEY & RODACK LLP | 79 | 95 | -17% |
| 79 | LARSON NEWMAN LLP | 78 | 78 | 0% |
| 80 | MICHAEL BEST & FRIEDRICH LLP | 76 | 98 | -22% |
| 80 | SLATER MATSIL | 76 | 91 | -16% |
| 82 | PILLSBURY WINTHORP SHAW PITTMAN LLP | 74 | 67 | 10% |
| 82 | WEAVER AUSTIN VILLENEUVE & SAMPSON LLP | 74 | 49 | 51% |
| 84 | PROCOPIO CORY HARGREAVES & SAVITCH LLP | 73 | 66 | 11% |
| 85 | HAUPTMAN HAM LLP | 72 | 79 | -9% |
| 85 | XSENSUS LLP | 72 | 103 | -30% |
| 87 | FOUNTAINHEAD LAW GROUP P.C. | 71 | 56 | 27% |
| 87 | SHUMAKER & SIEFFERT P.A. | 71 | 74 | -4% |
| 87 | SPRINKLE IP LAW GROUP | 71 | 72 | -1% |
| 90 | F. CHAU & ASSOCIATES LLC | 70 | 58 | 21% |
| 90 | FISHERBROYLES LLP | 70 | 92 | -24% |
| 90 | KUNZLER BEAN & ADAMSON | 70 | 93 | -25% |
| 90 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 70 | 72 | -3% |
| 90 | NEWPORT IP LLC | 70 | 99 | -29% |
| 95 | NORTON ROSE FULBRIGHT | 68 | 63 | 8% |
| 96 | MIDDLETON REUITLINGER | 67 | 48 | 40% |
| 97 | ARTEGIS LAW GROUP LLP | 66 | 66 | 0% |
| 97 | DALY CROWLEY MOFFORD & DURKEE LLP | 66 | 65 | 2% |
| 97 | DLA PIPER LLP | 66 | 54 | 22% |
| 97 | FIG. 1 PATENTS | 66 | ∞ | |
| 97 | MUNCY GEISSLER OLDS & LOWE P.C. | 66 | 82 | -20% |
| 102 | MUIRHEAD AND SATURNELLI LLC | 65 | 59 | 10% |
| 102 | WITHROW & TERRANOVA P.L.L.C. | 65 | 48 | 35% |
| 102 | YEE & ASSOCIATES P.C. | 65 | 76 | -14% |
| 105 | BAKER & HOSTETLER LLP | 63 | 81 | -22% |
| 106 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 62 | 83 | -25% |
| 106 | ALLIANCE IP LLC | 62 | 69 | -10% |
| 106 | WENDEROTH LIND & PONACK L.L.P. | 62 | 52 | 19% |
| 109 | BRINKS GILSON & LIONE | 61 | 98 | -38% |
| 109 | CROWELL & MORING LLP | 61 | 32 | 91% |
| 109 | MASCHOFF BRENNAN | 61 | 87 | -30% |
| 112 | CUENOT FORSYTHE & KIM LLC | 60 | 75 | -20% |
| 112 | DORSEY & WHITNEY LLP | 60 | 66 | -9% |
| 112 | KELLER JOLLEY PREECE | 60 | 52 | 15% |
| 115 | GARG LAW FIRM PLLC | 59 | 31 | 90% |
| 115 | KIM & STEWART LLP | 59 | 78 | -24% |
| 117 | HOLLAND & KNIGHT LLP | 58 | 82 | -29% |
| 117 | LOZA & LOZA LLP | 58 | 93 | -38% |
| 119 | GARLICK & MARKISON | 57 | 113 | -50% |
| 119 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 57 | 43 | 33% |
| 119 | RENAISSANCE IP LAW GROUP LLP | 57 | 49 | 16% |
| 119 | SEED INTELLECTUAL PROPERTY LAW GROUP | 57 | 69 | -17% |
| 119 | TROUTMAN PEPPER | 57 | 56 | 2% |
| 124 | PARK VAUGHAN FLEMING & DOWLER LLP | 56 | 65 | -14% |
| 125 | HALEY GUILIANO LLP | 55 | 41 | 34% |
| 125 | MARSHALL GERSTEIN & BORUN LLP | 55 | 79 | -30% |
| 127 | HARRITY & HARRITY LLP | 54 | 66 | -18% |
| 127 | VISTA IP LAW GROUP LLP | 54 | 57 | -5% |
| 127 | VOLENTINE WHITT & FRANCOS PLLC | 54 | 68 | -21% |
| 130 | ARENT FOX LLP | 53 | 61 | -13% |
| 130 | MOORE & VAN ALLEN PLLC | 53 | 47 | 13% |
| 130 | NOVOTECHIP INTERNATIONAL PLLC | 53 | 28 | 89% |
| 130 | VIERRA MAGEN MARCUS LLP | 53 | 82 | -35% |
| 134 | ANOVA LAW GROUP PLLC | 51 | 49 | 4% |
| 134 | BROWNSTEIN HYATT FARBER SCHRECK LLP | 51 | 14 | 264% |
| 134 | WILLIAM PARK & ASSOCIATES LTD. | 51 | 58 | -12% |
| 137 | BOOKOFF MCANDREWS LLC | 50 | 48 | 4% |
| 137 | HUNTON ANDREWS KURTH LLP | 50 | 46 | 9% |
| 137 | MANNAVA & KANG P.C. | 50 | 48 | 4% |
If you have any questions about the Top Patent Firms list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com