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 2600. 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 | SUGHRUE MION PLC | 773 | 754 | 3% |
| 2 | FISH & RICHARDSON P.C. | 652 | 723 | -10% |
| 3 | JCIPRNET | 524 | 437 | 20% |
| 4 | CANON U.S.A. INC. IP DIVISION | 511 | 542 | -6% |
| 5 | OBLON MCCLELLAND MAIER & NEUSTADT L.L.P. | 470 | 552 | -15% |
| 6 | SCHWEGMAN LUNDBERG & WOESSNER P.A. | 438 | 477 | -8% |
| 7 | BIRCH STEWART KOLACH & BIRCH LLP | 422 | 529 | -20% |
| 8 | OLIFF PLC | 412 | 400 | 3% |
| 9 | KILPATRICK TOWNSEND & STOCKTON LLP | 408 | 590 | -31% |
| 10 | FENWICK & WEST LLP | 366 | 501 | -27% |
| 11 | JEFFERSON IP LAW LLP | 358 | 355 | 1% |
| 12 | HARNESS IP | 337 | 353 | -5% |
| 13 | VENABLE LLP | 335 | 340 | -1% |
| 14 | KNOBBE MARTENS OLSON & BEAR LLP | 328 | 377 | -13% |
| 15 | CANTOR COLBURN LLP | 327 | 348 | -6% |
| 16 | MORGAN LEWIS & BOCKIUS LLP | 325 | 392 | -17% |
| 17 | CHIP LAW GROUP | 323 | 343 | -6% |
| 18 | SCIENBIZIP P.C. | 292 | 273 | 7% |
| 19 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 291 | 226 | 29% |
| 20 | SEED INTELLECTUAL PROPERTY LAW GROUP | 282 | 325 | -13% |
| 21 | PERKINS COIE LLP | 267 | 280 | -5% |
| 22 | FOLEY & LARDNER LLP | 258 | 292 | -12% |
| 23 | NIXON & VANDERHYE P.C. | 257 | 228 | 13% |
| 24 | F. CHAU & ASSOCIATES LLC | 248 | 180 | 38% |
| 25 | PATTERSON & SHERIDAN LLP. | 238 | 289 | -18% |
| 25 | XSENSUS LLP | 238 | 268 | -11% |
| 27 | FINNEGAN HENDERSON FARABOW GARRETT & DUNNER LLP | 237 | 246 | -4% |
| 28 | AMIN TUROCY & WATSON LLP | 229 | 239 | -4% |
| 29 | WOMBLE BOND DICKINSON (US) LLP | 223 | 233 | -4% |
| 30 | MUNCY GEISSLER OLDS & LOWE P.C. | 210 | 228 | -8% |
| 30 | POLSINELLI LLP | 210 | 199 | 6% |
| 32 | ARENT FOX LLP | 206 | 257 | -20% |
| 33 | BAKER BOTTS L.L.P | 203 | 206 | -1% |
| 34 | LEE & HAYES PLLC | 202 | 267 | -24% |
| 35 | MCDERMOTT WILL & EMERY LLP | 201 | 182 | 10% |
| 36 | H. C. PARK & ASSOCIATES PLC | 199 | 175 | 14% |
| 37 | MICHAEL BEST & FRIEDRICH LLP | 193 | 292 | -34% |
| 38 | CONLEY ROSE P.C. | 191 | 176 | 9% |
| 39 | LEYDIG VOIT & MAYER LTD | 189 | 170 | 11% |
| 40 | LEE HONG DEGERMAN KANG & WAIMEY | 187 | 157 | 19% |
| 41 | BANNER & WITCOFF LTD | 184 | 211 | -13% |
| 42 | THE FARRELL LAW FIRM P.C | 182 | 188 | -3% |
| 43 | COWAN LIEBOWITZ & LATMAN P.C. | 173 | 143 | 21% |
| 44 | ROSSI KIMMS & MCDOWELL LLP | 172 | 164 | 5% |
| 45 | SLATER MATSIL | 171 | 237 | -28% |
| 46 | KOWERT HOOD MUNYON RANKIN & GOETZEL P.C. | 167 | 184 | -9% |
| 47 | HANLEY FLIGHT & ZIMMERMAN LLC | 166 | 130 | 28% |
| 47 | HAYNES AND BOONE LLP | 166 | 163 | 2% |
| 49 | K&L GATES LLP | 165 | 177 | -7% |
| 50 | DENTONS | 164 | 199 | -18% |
| 51 | BROOKS KUSHMAN P.C. | 162 | 232 | -30% |
| 52 | ALSTON & BIRD LLP | 159 | 210 | -24% |
| 52 | SCULLY SCOTT MURPHY & PRESSER PC | 159 | 185 | -14% |
| 54 | YOUNG BASILE HANLON & MACFARLANE P.C. | 158 | 135 | 17% |
| 55 | ANOVA LAW GROUP PLLC | 156 | 171 | -9% |
| 55 | BAKER & HOSTETLER LLP | 156 | 187 | -17% |
| 57 | MASCHOFF BRENNAN | 153 | 169 | -9% |
| 58 | STUDEBAKER & BRACKETT PC | 151 | 161 | -6% |
| 59 | NSIP LAW | 148 | 140 | 6% |
| 60 | WPAT P.C. INTELLECTUAL PROPERTY ATTORNEYS | 143 | 156 | -8% |
| 61 | WORKMAN NYDEGGER | 142 | 122 | 16% |
| 62 | GREENBLUM & BERNSTEIN P.L.C. | 139 | 192 | -28% |
| 63 | FLETCHER YODER P.C. | 132 | 138 | -4% |
| 64 | CHA & REITER LLC | 131 | 99 | 32% |
| 65 | FISHERBROYLES LLP | 128 | 108 | 19% |
| 65 | INNOVATION COUNSEL LLP | 128 | 118 | 8% |
| 65 | SYNCODA LLC | 128 | 44 | 191% |
| 68 | W&G LAW GROUP | 125 | 71 | 76% |
| 69 | SHERIDAN ROSS P.C. | 124 | 160 | -23% |
| 69 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 124 | 117 | 6% |
| 71 | MCCLURE QUALEY & RODACK LLP | 122 | 118 | 3% |
| 72 | QUALCOMM INCORPORATED | 120 | 73 | 64% |
| 72 | WOLF GREENFIELD & SACKS P.C. | 120 | 170 | -29% |
| 74 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 119 | 166 | -28% |
| 75 | WENDEROTH LIND & PONACK L.L.P. | 117 | 117 | 0% |
| 76 | OSHA BERGMAN WATANABE & BURTON LLP | 116 | 135 | -14% |
| 77 | METIS IP LAW LLC | 115 | 85 | 35% |
| 77 | TREYZ LAW GROUP P.C. | 115 | 134 | -14% |
| 79 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 109 | 76 | 43% |
| 79 | GREENBERG TRAURIG LLP | 109 | 97 | 12% |
| 79 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 109 | 176 | -38% |
| 79 | SHOOK HARDY & BACON L.L.P. | 109 | 112 | -3% |
| 83 | WESTMAN CHAMPLIN & KOEHLER P.A. | 108 | 156 | -31% |
| 84 | MERCHANT & GOULD P.C. | 106 | 128 | -17% |
| 85 | MYERS BIGEL P.A. | 105 | 60 | 75% |
| 85 | NORTON ROSE FULBRIGHT | 105 | 90 | 17% |
| 85 | PARATUS LAW GROUP PLLC | 105 | 99 | 6% |
| 88 | DINSMORE & SHOHL LLP | 104 | 95 | 9% |
| 89 | CARTER DELUCA FARRELL & SCHMIDT LLP | 102 | 97 | 5% |
| 89 | GUNTIN & GUST PLC | 102 | 179 | -43% |
| 91 | STAAS & HALSEY LLP | 101 | 125 | -19% |
| 91 | THOMAS HORSTEMEYER LLP | 101 | 53 | 91% |
| 93 | JAFFERY WATSON MENDONSA & HAMILTON LLC | 100 | 121 | -17% |
| 93 | NICHOLSON DE VOS WEBSTER & ELLIOTT LLP | 100 | 79 | 27% |
| 93 | PIERCE ATWOOD LLP | 100 | 91 | 10% |
| 93 | SHEPPARD MULLIN RICHTER & HAMPTON LLP | 100 | 153 | -35% |
| 97 | FUJITSU PATENT CENTER | 99 | 123 | -20% |
| 97 | LADAS & PARRY LLP | 99 | 127 | -22% |
| 97 | MIDDLETON REUITLINGER | 99 | 72 | 38% |
| 100 | W&G LAW GROUP LLP | 98 | 71 | 38% |
| 101 | MARSHALL GERSTEIN & BORUN LLP | 97 | 120 | -19% |
| 102 | HOLLAND & HART LLP | 96 | 126 | -24% |
| 103 | CKC & PARTNERS CO. LTD. | 94 | 98 | -4% |
| 103 | NATH GOLDBERG & MEYER | 94 | 96 | -2% |
| 103 | VOLPE & KOENIG P.C. | 94 | 111 | -15% |
| 106 | SHUMAKER & SIEFFERT P.A. | 92 | 92 | 0% |
| 107 | PROCOPIO CORY HARGREAVES & SAVITCH LLP | 91 | 82 | 11% |
| 108 | EVERSHEDS SUTHERLAND (US) LLP | 90 | 80 | 13% |
| 108 | HAUPTMAN HAM LLP | 90 | 106 | -15% |
| 108 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 90 | 114 | -21% |
| 111 | HODGSON RUSS LLP | 89 | 113 | -21% |
| 112 | PEARNE & GORDON LLP | 88 | 70 | 26% |
| 113 | BLANK ROME LLP | 85 | 99 | -14% |
| 114 | ARTEGIS LAW GROUP LLP | 83 | 75 | 11% |
| 115 | FAY SHARPE LLP | 82 | 63 | 30% |
| 115 | FIG. 1 PATENTS | 82 | ∞ | |
| 117 | FAEGRE DRINKER BIDDLE & REATH LLP | 81 | 81 | 0% |
| 117 | POTOMAC LAW GROUP PLLC | 81 | 68 | 19% |
| 119 | ARMSTRONG TEASDALE LLP | 80 | 91 | -12% |
| 120 | AKERMAN LLP | 79 | 35 | 126% |
| 120 | NIXON & PEABODY LLP | 79 | 66 | 20% |
| 122 | CROWELL & MORING LLP | 78 | 96 | -19% |
| 122 | ZILKA-KOTAB P.C. | 78 | 145 | -46% |
| 124 | DORITY & MANNING P.A. | 77 | 70 | 10% |
| 124 | VISTA IP LAW GROUP LLP | 77 | 95 | -19% |
| 126 | BARNES & THORNBURG LLP | 76 | 82 | -7% |
| 126 | JACKSON WALKER L.L.P. | 76 | 106 | -28% |
| 126 | LOCKE LORD LLP | 76 | 81 | -6% |
| 126 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 76 | 94 | -19% |
| 130 | BUCHANAN INGERSOLL & ROONEY P.C | 72 | 126 | -43% |
| 130 | DICKINSON WRIGHT PLLC | 72 | 72 | 0% |
| 130 | IPUSA PLLC | 72 | 66 | 9% |
| 133 | HARRITY & HARRITY LLP | 71 | 78 | -9% |
| 133 | LOWENSTEIN & SANDLER LLP | 71 | 78 | -9% |
| 135 | CALFEE HALTER & GRISWOLD LLP | 70 | 95 | -26% |
| 135 | HP INC. PATENT DEPARTMENT | 70 | 99 | -29% |
| 137 | HARRINGTON & SMITH | 69 | 71 | -3% |
| 137 | KEATING & BENNETT LLP | 69 | 159 | -57% |
| 137 | LERNER DAVID LITTENBERG KRUMHOLZ & MENTLIK LLP | 69 | 77 | -10% |
| 137 | TUTUNJIAN & BITETTO P.C. | 69 | 57 | 21% |
| 141 | COATS & BENNETT P.L.L.C. | 68 | 64 | 6% |
| 141 | LATHROP & GAGE L.L.P. | 68 | 83 | -18% |
| 143 | KUNZLER BEAN & ADAMSON | 67 | 63 | 6% |
| 144 | DLA PIPER LLP | 66 | 55 | 20% |
| 144 | SAGE PATENT GROUP | 66 | 61 | 8% |
| 146 | LI & CAI INTELLECTUAL PROPERTY | 65 | 65 | 0% |
| 146 | QUARLES & BRADY LLP | 65 | 52 | 25% |
| 148 | MURPHY BILAK & HOMILLER PLLC | 63 | 52 | 21% |
| 148 | SUITER SWANTZ PC LLO | 63 | 57 | 11% |
| 150 | KELLER JOLLEY PREECE | 62 | 77 | -19% |
| 150 | TROUTMAN PEPPER | 62 | 58 | 7% |
| 152 | KILE PARK REED & HOUTTEMAN LLC | 61 | 62 | -2% |
| 152 | KUBOTA & BASOL LLP | 61 | 67 | -9% |
| 152 | MAIER & MAIER PLLC | 61 | 45 | 36% |
| 155 | BROWNSTEIN HYATT FARBER SCHRECK LLP | 60 | 77 | -22% |
| 155 | DORSEY & WHITNEY LLP | 60 | 53 | 13% |
| 155 | HAMRE SCHUMANN MUELLER & LARSON P.C. | 60 | 56 | 7% |
| 155 | THE WEBB LAW FIRM | 60 | 17 | 253% |
| 159 | BRINKS GILSON & LIONE | 59 | 98 | -40% |
| 159 | WITHROW & TERRANOVA P.L.L.C. | 59 | 65 | -9% |
| 161 | ARCH & LAKE LLP | 58 | 37 | 57% |
| 161 | BAYRAMOGLU LAW OFFICES LLC | 58 | 17 | 241% |
| 161 | BRAKE HUGHES BELLERMAN LLP | 58 | 103 | -44% |
| 161 | EDELL SHAPIRO & FINNAN LLC | 58 | 69 | -16% |
| 161 | FERGUSON BRASWELL FRASER KUBASTA PC | 58 | 33 | 76% |
| 161 | MCANDREWS HELD & MALLOY LTD. | 58 | 91 | -36% |
| 167 | CLEMENTS BERNARD WALKER PLLC | 57 | 45 | 27% |
| 167 | PILLSBURY WINTHORP SHAW PITTMAN LLP | 57 | 65 | -12% |
| 167 | RENNER OTTO BOISSELLE & SKLAR LLP | 57 | 67 | -15% |
| 167 | SCHMEISER OLSEN & WATTS LLP | 57 | 77 | -26% |
| 171 | COLBY NIPPER | 55 | 41 | 34% |
| 171 | HOLTZ HOLTZ & VOLEK PC | 55 | 105 | -48% |
| 171 | JORDAN IP LAW LLC | 55 | 53 | 4% |
| 171 | LORENZ & KOPF LLP | 55 | 58 | -5% |
| 171 | WESTERMAN HATTORI DANIELS & ADRIAN LLP | 55 | 50 | 10% |
| 176 | KACVINSKY DAISAK BLUNI PLLC | 54 | 1 | 5300% |
| 176 | RABIN & BERDO P.C. | 54 | 56 | -4% |
| 178 | HALEY GUILIANO LLP | 53 | 32 | 66% |
| 179 | ESPLIN & ASSOCIATES PC | 52 | 77 | -32% |
| 179 | GLOBAL IP COUNCELORS LLP | 52 | 59 | -12% |
| 179 | INVENTION MINE LLC | 52 | 64 | -19% |
| 182 | CHRISTOPHER & WEISBERG P.A. | 51 | 33 | 55% |
| 182 | COOPER LEGAL GROUP LLC | 51 | 43 | 19% |
| 182 | KINNEY & LANGE P.A. | 51 | 90 | -43% |
| 182 | MUETING RAASCH GROUP | 51 | 54 | -6% |
| 186 | BOOKOFF MCANDREWS LLC | 50 | 60 | -17% |
| 186 | COLLARD & ROE P. C. | 50 | 34 | 47% |
| 186 | DITTHAVONG STEINER & MLOTKOWSKI | 50 | 25 | 100% |
| 186 | MATTINGLY & MALUR PC | 50 | 47 | 6% |
| 186 | MORRISON & FOERSTER LLP | 50 | 41 | 22% |
| 186 | ROBERTS CALDERON SAFRAN & COLE P.C. | 50 | 56 | -11% |
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