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 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 | Firm Name | Patents |
|---|---|---|
| 1 | SUGHRUE MION, PLC | 719 |
| 2 | FISH & RICHARDSON P.C. | 638 |
| 3 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 603 |
| 4 | CANON U.S.A. INC. IP DIVISION | 568 |
| 5 | BIRCH STEWART KOLACH & BIRCH, LLP | 564 |
| 6 | KILPATRICK TOWNSEND & STOCKTON LLP | 540 |
| 7 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 463 |
| 8 | OLIFF PLC | 439 |
| 9 | HARNESS, DICKEY & PIERCE P.L.C. | 433 |
| 10 | KNOBBE MARTENS OLSON & BEAR LLP | 430 |
| 11 | FENWICK & WEST LLP | 418 |
| 12 | VENABLE LLP | 399 |
| 13 | MORGAN LEWIS & BOCKIUS LLP | 385 |
| 14 | JEFFERSON IP LAW, LLP | 362 |
| 15 | PERKINS COIE LLP | 306 |
| 16 | CANTOR COLBURN LLP | 305 |
| 17 | CHIP LAW GROUP | 299 |
| 18 | JCIPRNET | 284 |
| 19 | MICHAEL BEST & FRIEDRICH LLP | 282 |
| 20 | DENTONS LLP | 277 |
| 21 | WOMBLE BOND DICKINSON (US) LLP | 273 |
| 21 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 273 |
| 23 | PATTERSON & SHERIDAN, LLP. | 262 |
| 24 | SEED INTELLECTUAL PROPERTY LAW GROUP | 248 |
| 25 | XSENSUS, LLP | 245 |
| 26 | AMIN, TUROCY & WATSON, LLP | 241 |
| 27 | FOLEY & LARDNER LLP | 237 |
| 28 | NIXON & VANDERHYE P.C. | 236 |
| 29 | SLATER & MATSIL, LLP | 235 |
| 29 | BANNER & WITCOFF, LTD | 235 |
| 31 | GREENBLUM & BERNSTEIN P.L.C. | 227 |
| 32 | LEE & HAYES PLLC | 225 |
| 33 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 221 |
| 34 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 219 |
| 34 | ARENT FOX LLP | 219 |
| 36 | ALSTON & BIRD LLP | 214 |
| 37 | BROOKS KUSHMAN, P.C. | 212 |
| 38 | THE FARRELL LAW FIRM, P.C | 204 |
| 39 | BAKER BOTTS L.L.P | 198 |
| 40 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 194 |
| 41 | SCIENBIZIP, P.C. | 191 |
| 42 | CONLEY ROSE, P.C. | 190 |
| 43 | SHEPPARD, MULLIN, RICHTER & HAMPTON LLP | 189 |
| 44 | STAAS & HALSEY LLP | 185 |
| 45 | LEE HONG DEGERMAN KANG & WAIMEY | 184 |
| 45 | LEYDIG, VOIT & MAYER, LTD | 184 |
| 45 | K&L GATES LLP | 184 |
| 48 | BAKER & HOSTETLER LLP | 179 |
| 49 | MCDERMOTT WILL & EMERY LLP | 178 |
| 50 | ROSSI, KIMMS & MCDOWELL LLP | 177 |
| 50 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 177 |
| 50 | LADAS & PARRY LLP | 177 |
| 53 | SHERIDAN ROSS P.C. | 173 |
| 54 | WOLF, GREENFIELD & SACKS, P.C. | 172 |
| 55 | GUNTIN & GUST, PLC | 163 |
| 56 | COWAN LIEBOWITZ & LATMAN, P.C. | 162 |
| 57 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 161 |
| 58 | MCANDREWS, HELD & MALLOY, LTD. | 157 |
| 58 | HOLLAND & HART LLP | 157 |
| 60 | MEYERTONS, HOOD, KIVLIN, KOWERT & GOETZEL, P.C. | 155 |
| 61 | ANOVA LAW GROUP, PLLC | 153 |
| 62 | POLSINELLI LLP | 151 |
| 62 | HP INC. PATENT DEPARTMENT | 151 |
| 62 | F. CHAU & ASSOCIATES, LLC | 151 |
| 65 | BUCHANAN INGERSOLL & ROONEY P.C | 149 |
| 66 | KEATING & BENNETT, LLP | 147 |
| 67 | HAYNES & BOONE, LLP | 146 |
| 68 | HAUPTMAN HAM LLP | 145 |
| 69 | WORKMAN NYDEGGER | 140 |
| 70 | MERCHANT & GOULD P.C. | 136 |
| 71 | NSIP LAW | 135 |
| 72 | STUDEBAKER & BRACKETT PC | 134 |
| 73 | BRINKS GILSON & LIONE | 127 |
| 73 | BLANK ROME LLP | 127 |
| 75 | WESTMAN CHAMPLIN & KOEHER, P.A. | 126 |
| 76 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 125 |
| 76 | H. C. PARK & ASSOCIATES, PLC | 125 |
| 78 | OSHA LIANG LLP | 121 |
| 78 | INNOVATION COUNSEL LLP | 121 |
| 78 | BARNES & THORNBURG LLP | 121 |
| 81 | WPAT, P.C., INTELLECTUAL PROPERTY ATTORNEYS | 120 |
| 81 | ZILKA-KOTAB, P.C. | 120 |
| 81 | MCCLURE, QUALEY & RODACK, LLP | 120 |
| 84 | VOLPE & KOENIG, P.C. | 117 |
| 85 | NORTON ROSE FULBRIGHT | 115 |
| 85 | MASCHOFF BRENNAN | 115 |
| 85 | MARSHALL, GERSTEIN & BORUN LLP | 115 |
| 85 | FUJITSU PATENT CENTER | 115 |
| 89 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 110 |
| 90 | FLETCHER YODER P.C. | 109 |
| 91 | SHUMAKER & SIEFFERT, P.A. | 107 |
| 91 | CHA & REITER, LLC | 107 |
| 93 | CARTER, DELUCA, FARRELL & SCHMIDT, LLP | 105 |
| 94 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 104 |
| 94 | HOLTZ, HOLTZ & VOLEK PC | 104 |
| 96 | WENDEROTH, LIND & PONACK, L.L.C. | 103 |
| 97 | TREYZ LAW GROUP, P.C. | 102 |
| 98 | HARRINGTON & SMITH | 101 |
| 98 | JACKSON WALKER L.L.P. | 101 |
| 100 | JAFFERY WATSON MENDONSA & HAMILTON LLC | 98 |
| 101 | GREENBERG TRAURIG LLP | 96 |
| 102 | LATHROP & GAGE L.L.P. | 95 |
| 103 | SAGE PATENT GROUP | 94 |
| 103 | SCHMEISER, OLSEN & WATTS, LLP | 94 |
| 103 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 94 |
| 106 | BRAKE HUGHES BELLERMAN LLP | 93 |
| 107 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 89 |
| 107 | CALFEE HALTER & GRISWOLD LLP | 89 |
| 109 | LOWENSTEIN & SANDLER LLP | 88 |
| 109 | HANLEY FLIGHT & ZIMMERMAN, LLC | 88 |
| 111 | NIXON & PEABODY LLP | 87 |
| 111 | HARRITY & HARRITY, LLP | 87 |
| 111 | CROWELL & MORING LLP | 87 |
| 114 | LOCKE LORD LLP | 85 |
| 114 | PARATUS LAW GROUP, PLLC | 85 |
| 114 | DORITY & MANNING, P.A. | 85 |
| 117 | VISTA IP LAW GROUP LLP | 83 |
| 118 | SHOOK, HARDY & BACON L.L.P. | 82 |
| 118 | PIERCE ATWOOD LLP | 82 |
| 118 | IPUSA, PLLC | 82 |
| 118 | DICKINSON WRIGHT PLLC | 82 |
| 118 | BROWNSTEIN HYATT FARBER SCHRECK, LLP | 82 |
| 123 | NATH GOLDBERG & MEYER | 81 |
| 124 | HESLIN ROTHENBERG FARLEY & MESITI P.C. | 80 |
| 125 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 79 |
| 125 | CKC & PARTNERS CO., LTD. | 79 |
| 127 | FOGG & POWERS LLC | 76 |
| 128 | RENNER OTTO BOISSELLE & SKLAR, LLP | 75 |
| 128 | SBMC | 75 |
| 128 | PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP | 75 |
| 131 | WITHROW & TERRANOVA, P.L.L.C. | 73 |
| 131 | PEARNE & GORDON LLP | 73 |
| 133 | LORENZ & KOPF LLP | 72 |
| 133 | LEE & MORSE P.C. | 72 |
| 135 | ARMSTRONG TEASDALE LLP | 70 |
| 136 | JORDAN IP LAW, LLC | 69 |
| 136 | CLEMENTS BENARD WALKER PLLC | 69 |
| 138 | VIERRA MAGEN MARCUS LLP | 68 |
| 138 | SQUIRE PATTON BOGGS (US) LLP | 68 |
| 138 | RABIN & BERDO, P.C. | 68 |
| 141 | VORYS, SATER, SEYMOUR & PEASE LLP | 67 |
| 141 | LI & CAI INTELLECTUAL PROPERTY (USA) OFFICE | 67 |
| 143 | VAN PELT, YI & JAMES LLP | 66 |
| 143 | MURPHY, BILAK & HOMILLER, PLLC | 66 |
| 143 | EDELL, SHAPIRO & FINNAN LLC | 66 |
| 146 | YOUNG & THOMPSON | 65 |
| 146 | RANKIN, HILL & CLARK LLP | 65 |
| 146 | MEDLER FERRO WOODHOUSE & MILLS PLLC | 65 |
| 146 | LOZA & LOZA, LLP | 65 |
| 146 | HUSCH BLACKWELL LLP | 65 |
| 151 | LEMPIA SUMMERFIELD KATZ LLC | 64 |
| 151 | MORRISON & FOERSTER LLP | 64 |
| 151 | HODGSON RUSS LLP | 64 |
| 151 | ARTEGIS LAW GROUP, LLP | 64 |
| 155 | WILMER CUTLER PICKERING HALE AND DORR LLP | 62 |
| 155 | MATTINGLY & MALUR, PC | 62 |
| 155 | KIM & STEWART LLP | 62 |
| 158 | SCHWABE, WILLIAMSON & WYATT, P.C. | 61 |
| 158 | FISHERBROYLES LLP | 61 |
| 160 | POKOTYLO PATENT SERVICES | 60 |
| 160 | FINCH & MALONEY PLLC | 60 |
| 162 | MILES & STOCKBRIDGE P.C. | 59 |
| 162 | KINNEY & LANGE, P.A. | 59 |
| 164 | ROBERTS MLOTKOSKI SAFRAN COLE & CALDERON, P.C. | 58 |
| 164 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 58 |
| 164 | NICHOLSON DE VOS WEBSTER & ELLIOT LLP | 58 |
| 164 | METIS IP LAW LLC | 58 |
| 164 | FITCH, EVEN, TABIN & FLANNERY LLP | 58 |
| 169 | TUTUNJIAN & BITETTO, P.C. | 57 |
| 169 | KELLER JOLLEY PREECE | 57 |
| 169 | HOLLINGSWORTH DAVIS, LLC | 57 |
| 172 | TROP PRUNER & HU, P.C. | 55 |
| 173 | TOLER LAW GROUP, P.C. | 54 |
| 173 | SALIWANCHIK, LLOYD & EISENSCHENK | 54 |
| 173 | RATNERPRESTIA | 54 |
| 173 | HUNTON ANDREWS KURTH LLP | 54 |
| 173 | KED & ASSOCIATES LLP | 54 |
| 178 | MCGINN IP LAW GROUP, PLLC | 53 |
| 178 | FOX ROTHSCHILD LLP | 53 |
| 178 | COATS & BENNETT, P.L.L.C. | 53 |
| 181 | IPRO, PLLC | 52 |
| 181 | DINSMORE & SHOHL LLP | 52 |
| 183 | ROTHWELL, FIGG, ERNST & MANBECK P.C. | 51 |
| 183 | HOGAN LOVELLS US LLP | 51 |
| 183 | LANDO & ANASTASI, LLP | 51 |
| 183 | EVERSHEDS SUTHERLAND (US) LLP | 51 |
| 183 | DORSEY & WHITNEY LLP | 51 |
| 188 | DLA PIPER LLP | 50 |
| 188 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 50 |
| 188 | FAY SHARPE 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