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 2020 where the patent firms were listed on the front of the utility patents, and the art unit is in technology center 2800. 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 | OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 1666 |
| 2 | SUGHRUE MION, PLC | 1192 |
| 3 | HARNESS, DICKEY & PIERCE P.L.C. | 1102 |
| 4 | JCIPRNET | 1098 |
| 5 | OLIFF PLC | 1082 |
| 6 | CANTOR COLBURN LLP | 1059 |
| 7 | SLATER MATSIL | 961 |
| 8 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 906 |
| 9 | BIRCH STEWART KOLACH & BIRCH, LLP | 869 |
| 10 | FOLEY & LARDNER LLP | 807 |
| 11 | FISH & RICHARDSON P.C. | 778 |
| 12 | VENABLE LLP | 751 |
| 13 | MORGAN LEWIS & BOCKIUS LLP | 723 |
| 14 | MCDERMOTT WILL & EMERY LLP | 667 |
| 15 | KILPATRICK TOWNSEND & STOCKTON LLP | 622 |
| 16 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 604 |
| 17 | STUDEBAKER & BRACKETT PC | 579 |
| 18 | MICHAEL BEST & FRIEDRICH LLP | 537 |
| 19 | HAYNES AND BOONE, LLP | 525 |
| 20 | KEATING & BENNETT, LLP | 520 |
| 21 | KNOBBE MARTENS OLSON & BEAR LLP | 473 |
| 22 | MERCHANT & GOULD P.C. | 470 |
| 23 | MCCLURE, QUALEY & RODACK, LLP | 460 |
| 24 | SCIENBIZIP, P.C. | 448 |
| 25 | SEED INTELLECTUAL PROPERTY LAW GROUP | 423 |
| 26 | CANON U.S.A. INC. IP DIVISION | 403 |
| 27 | PATTERSON & SHERIDAN, LLP. | 397 |
| 28 | F. CHAU & ASSOCIATES, LLC | 395 |
| 29 | MASCHOFF BRENNAN | 382 |
| 30 | TUTUNJIAN & BITETTO, P.C. | 371 |
| 31 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 366 |
| 32 | WPAT, P.C., INTELLECTUAL PROPERTY ATTORNEYS | 354 |
| 33 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 349 |
| 34 | SCHWABE, WILLIAMSON & WYATT, P.C. | 348 |
| 35 | MYERS BIGEL, P.A. | 342 |
| 36 | PERKINS COIE LLP | 334 |
| 37 | BANNER & WITCOFF, LTD | 331 |
| 38 | HAUPTMAN HAM LLP | 322 |
| 39 | WORKMAN NYDEGGER | 311 |
| 39 | VOLPE & KOENIG, P.C. | 311 |
| 41 | NSIP LAW | 303 |
| 42 | WOLF, GREENFIELD & SACKS, P.C. | 299 |
| 43 | FAEGRE DRINKER BIDDLE & REATH LLP | 294 |
| 43 | ESCHWEILER & POLASHNIK, LLC | 294 |
| 43 | GREENBLUM & BERNSTEIN P.L.C. | 294 |
| 46 | CROWELL & MORING LLP | 293 |
| 47 | LOCKE LORD LLP | 292 |
| 48 | PEARNE & GORDON LLP | 286 |
| 49 | FENWICK & WEST LLP | 278 |
| 50 | BRINKS GILSON & LIONE | 277 |
| 51 | WOMBLE BOND DICKINSON (US) LLP | 269 |
| 52 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 268 |
| 53 | BROOKS KUSHMAN, P.C. | 267 |
| 53 | ALSTON & BIRD LLP | 267 |
| 55 | KIM & STEWART LLP | 265 |
| 56 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 264 |
| 56 | WITHROW & TERRANOVA, P.L.L.C. | 264 |
| 58 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 257 |
| 59 | WILLIAM PARK & ASSOCIATES LTD. | 253 |
| 60 | BUCHANAN INGERSOLL & ROONEY P.C | 250 |
| 60 | DORSEY & WHITNEY LLP | 250 |
| 62 | ARENT FOX LLP | 249 |
| 63 | CKC & PARTNERS CO., LTD. | 237 |
| 64 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 236 |
| 65 | NORTON ROSE FULBRIGHT | 235 |
| 65 | ANOVA LAW GROUP, PLLC | 235 |
| 67 | IP & T GROUP LLP | 234 |
| 68 | ROBERTS CALDERON SAFRAN & COLE, P.C. | 233 |
| 69 | HOLTZ, HOLTZ & VOLEK PC | 231 |
| 69 | AMIN, TUROCY & WATSON, LLP | 231 |
| 71 | MURPHY, BILAK & HOMILLER, PLLC | 228 |
| 72 | NIXON & VANDERHYE P.C. | 226 |
| 73 | RABIN & BERDO, P.C. | 225 |
| 74 | SHERIDAN ROSS P.C. | 223 |
| 75 | CHIP LAW GROUP | 214 |
| 76 | H. C. PARK & ASSOCIATES, PLC | 213 |
| 76 | DORITY & MANNING, P.A. | 213 |
| 78 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 209 |
| 79 | XSENSUS, LLP | 207 |
| 80 | RATNERPRESTIA | 203 |
| 81 | INNOVATION COUNSEL LLP | 197 |
| 82 | FLETCHER YODER P.C. | 196 |
| 83 | POLSINELLI LLP | 193 |
| 83 | MUIR PATENT LAW, PLLC | 193 |
| 85 | K&L GATES LLP | 192 |
| 86 | OSHA BERGMAN WATANABE & BURTON LLP | 191 |
| 87 | NATH GOLDBERG & MEYER | 189 |
| 88 | LEE IP LAW PC | 188 |
| 89 | WESTMAN CHAMPLIN & KOEHLER, P.A. | 185 |
| 90 | LEYDIG, VOIT & MAYER, LTD | 183 |
| 90 | HOLLAND & HART LLP | 183 |
| 92 | WELLS ST. JOHN P.S. | 182 |
| 93 | KENEALY VAIDYA LLP | 180 |
| 94 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 179 |
| 94 | WENDEROTH, LIND & PONACK, L.L.P. | 179 |
| 96 | KINNEY & LANGE, P.A. | 178 |
| 97 | TREYZ LAW GROUP, P.C. | 177 |
| 98 | IPRO, PLLC | 176 |
| 99 | BAKER & HOSTETLER LLP | 174 |
| 100 | ROSSI, KIMMS & MCDOWELL LLP | 173 |
| 100 | POSZ LAW GROUP, PLC | 173 |
| 102 | LI & CAI INTELLECTUAL PROPERTY (USA) OFFICE | 171 |
| 103 | ARMSTRONG TEASDALE LLP | 167 |
| 104 | GLOBAL IP COUNCELORS, LLP | 165 |
| 105 | SCHIFF HARDIN LLP | 163 |
| 105 | DLA PIPER LLP | 163 |
| 107 | BROOKS CAMERON & HUEBSCH PLLC | 159 |
| 108 | HP INC. PATENT DEPARTMENT | 158 |
| 109 | TAFT STETTININUS & HOLLISTER LLP | 157 |
| 109 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 157 |
| 109 | DINSMORE & SHOHL LLP | 157 |
| 112 | QUARLES & BRADY LLP | 156 |
| 113 | RYAN, MASON & LEWIS, LLP | 155 |
| 114 | RENNER OTTO BOISSELLE & SKLAR, LLP | 153 |
| 114 | DICKINSON WRIGHT PLLC | 153 |
| 116 | THE MARBURY LAW GROUP | 150 |
| 117 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 148 |
| 117 | DALY, CROWLEY MOFFORD & DURKEE, LLP | 148 |
| 119 | NIXON & PEABODY LLP | 147 |
| 120 | SHUMAKER & SIEFFERT, P.A. | 146 |
| 121 | TRASKBRITT P.C. | 144 |
| 121 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 144 |
| 121 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 144 |
| 124 | THE WEBB LAW FIRM | 143 |
| 124 | DUANE MORRIS LLP | 143 |
| 126 | CROWE & DUNLEVY, P.C. | 142 |
| 127 | ROBINSON INTELLECTUAL PROPERTY LAW OFFICE | 141 |
| 128 | SALIWANCHIK, LLOYD & EISENSCHENK | 140 |
| 129 | THOMPSON HINE LLP | 137 |
| 129 | BAKER BOTTS L.L.P | 137 |
| 131 | MATTINGLY & MALUR, PC | 134 |
| 132 | RANKIN, HILL & CLARK LLP | 133 |
| 133 | HARRITY & HARRITY, LLP | 131 |
| 133 | LADAS & PARRY LLP | 131 |
| 133 | EVERSHEDS SUTHERLAND (US) LLP | 131 |
| 136 | VOLENTINE, WHITT & FRANCOS, PLLC | 129 |
| 137 | HEMISPHERE LAW, PLLC | 128 |
| 137 | CALFEE HALTER & GRISWOLD LLP | 128 |
| 139 | KED & ASSOCIATES LLP | 125 |
| 140 | BLANK ROME LLP | 124 |
| 141 | SNELL & WILMER L.L.P. | 123 |
| 141 | CONLEY ROSE, P.C. | 123 |
| 143 | DICKE, BILLIG & CJAZA, PLLC | 122 |
| 144 | CARTER, DELUCA, FARRELL & SCHMIDT, LLP | 121 |
| 144 | BARNES & THORNBURG LLP | 121 |
| 146 | IPUSA, PLLC | 120 |
| 147 | HUNTON ANDREWS KURTH LLP | 119 |
| 148 | VIERRA MAGEN MARCUS LLP | 118 |
| 149 | GREER BURNS & CRAIN LTD. | 116 |
| 150 | GREEN, HOWARD & MUGHAL LLP | 115 |
| 151 | PATENT CAPITAL GROUP | 112 |
| 152 | FISHERBROYLES LLP | 111 |
| 153 | LEMPIA SUMMERFIELD KATZ LLC | 110 |
| 154 | MCGINN IP LAW GROUP, PLLC | 109 |
| 155 | WEAVER AUSTIN VILLENEUVE & SAMPSON LLP | 107 |
| 155 | THOMAS HORSTEMEYER, LLP | 107 |
| 157 | TROUTMAN PEPPER | 106 |
| 157 | KOWERT, HOOD, MUNYON, RANKIN & GOETZEL, P.C. | 106 |
| 159 | MCANDREWS, HELD & MALLOY, LTD. | 105 |
| 160 | MAIER & MAIER, PLLC | 103 |
| 160 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 103 |
| 160 | BACON & THOMAS PLLC | 103 |
| 163 | JEFFERSON IP LAW, LLP | 102 |
| 164 | KLARQUIST SPARKMAN, LLP | 101 |
| 164 | HODGSON RUSS LLP | 101 |
| 164 | DENTONS LLP | 101 |
| 167 | PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP | 99 |
| 167 | STAAS & HALSEY LLP | 99 |
| 169 | HOFFMAN WARNICK LLC | 98 |
| 169 | COZEN O'CONNOR | 98 |
| 171 | THE FARRELL LAW FIRM, P.C | 97 |
| 172 | SHEPPARD, MULLIN, RICHTER & HAMPTON LLP | 96 |
| 172 | KILE PARK REED & HOUTTEMAN LLC | 96 |
| 172 | CHEN YOSHIMURA LLP | 96 |
| 175 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 95 |
| 175 | MAGINOT MOORE & BECK LLP | 95 |
| 177 | MCCOY RUSSELL LLP | 94 |
| 178 | BAYRAMOGLU LAW OFFICES LLC | 93 |
| 178 | FUJITSU PATENT CENTER | 93 |
| 180 | CARLSON, GAKSEY & OLDS. P.C. | 92 |
| 181 | ROSENBERG, KLEIN & LEE | 91 |
| 182 | YOUNG & THOMPSON | 90 |
| 182 | LUCAS & MERCANTI, LLP | 90 |
| 184 | PRICE HENEVELD LLP | 88 |
| 184 | LEE & HAYES PLLC | 88 |
| 186 | FITCH, EVEN, TABIN & FLANNERY LLP | 87 |
| 186 | BARLEY SNYDER | 87 |
| 188 | METIS IP LAW LLC | 86 |
| 189 | SUITER SWANTZ PC LLO | 85 |
| 190 | SAILE ACKERMAN LLC | 83 |
| 191 | THE SMALL PATENT LAW GROUP, LLC | 82 |
| 191 | LATHROP & GAGE L.L.P. | 82 |
| 193 | LANDO & ANASTASI, LLP | 81 |
| 193 | METROLEXIS LAW GROUP, PLLC | 81 |
| 195 | SCHMEISER, OLSEN & WATTS, LLP | 80 |
| 195 | SGPATENTS PLLC | 80 |
| 195 | LEASON ELLIS LLP | 80 |
| 195 | EDELL, SHAPIRO & FINNAN LLC | 80 |
| 199 | HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT | 79 |
| 199 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 79 |
| 201 | MOLEX, LLC | 78 |
| 201 | J.C. PATENTS | 78 |
| 201 | KING & SPALDING LLP | 78 |
| 201 | MARSHALL, GERSTEIN & BORUN LLP | 78 |
| 205 | MH2 TECHNOLOGY LAW GROUP LLP | 77 |
| 205 | LOWENSTEIN & SANDLER LLP | 77 |
| 205 | GREENBERG TRAURIG LLP | 77 |
| 205 | FAY SHARPE LLP | 77 |
| 209 | WHITE & CASE LLP | 76 |
| 209 | DITTHAVONG & STEINER, P.C. | 76 |
| 209 | ADAM R. STEPHENSON, LTD. | 76 |
| 212 | JONES DAY | 75 |
| 212 | JACKSON WALKER L.L.P. | 75 |
| 212 | BRAKE HUGHES BELLERMAN LLP | 75 |
| 215 | KUNZLER BEAN & ADAMSON | 74 |
| 216 | HESLIN ROTHENBERG FARLEY & MESITI P.C. | 73 |
| 217 | ZAGORIN CAVE LLP | 71 |
| 217 | HOVEY WILLIAMS LLP | 71 |
| 217 | FINCH & MALONEY PLLC | 71 |
| 217 | DILWORTH & BARRESE LLP | 71 |
| 221 | MAYER & WILLIAMS PC | 70 |
| 222 | BURR & BROWN, PLLC | 69 |
| 222 | BOYLE FREDRICKSON S.C. | 69 |
| 224 | VIERING, JENTSCHURA & PARTNER MBB | 68 |
| 224 | SLAYDEN GRUBERT BEARD PLLC | 68 |
| 224 | MORI & WARD, LLP | 68 |
| 224 | HAYES SOLOWAY P.C. | 68 |
| 224 | ECKERT SEAMANS CHERIN & MELLOTT, LLC | 68 |
| 229 | SQUIRE PATTON BOGGS (US) LLP | 67 |
| 229 | LANWAY IPR SERVICES | 67 |
| 229 | BROWNSTEIN HYATT FARBER SCHRECK, LLP | 67 |
| 232 | ROTHWELL, FIGG, ERNST & MANBECK P.C. | 66 |
| 232 | JAQUEZ LAND GREENHAUS LLP | 66 |
| 234 | FOX ROTHSCHILD LLP | 65 |
| 234 | BRUNDIDGE & STANGER, P.C. | 65 |
| 234 | COOPER LEGAL GROUP LLC | 65 |
| 234 | COLLARD & ROE, P. C. | 65 |
| 238 | HUSCH BLACKWELL LLP | 64 |
| 238 | HANLEY FLIGHT & ZIMMERMAN, LLC | 64 |
| 238 | FLEIT INTELLECTUAL PROPERTY LAW | 64 |
| 241 | TROP PRUNER & HU, P.C. | 63 |
| 241 | THORPE NORTH & WESTERN LLP | 63 |
| 241 | LEE HONG DEGERMAN KANG & WAIMEY | 63 |
| 241 | FREDRIKSON & BYRON, P.A. | 63 |
| 245 | MICHAEL J. CHANG, LLC | 62 |
| 245 | KIRTON MCCONKIE, PC | 62 |
| 247 | GUNTIN & GUST, PLC | 61 |
| 247 | MCCARTER & ENGLISH, LLP | 61 |
| 247 | ALLEN DYER DOPPELT & GILCHRIST | 61 |
| 250 | LOZA & LOZA, LLP | 60 |
| 251 | COOLEY LLP | 59 |
| 252 | SMITH, GAMBRELL & RUSSELL, LLP | 58 |
| 252 | PENILLA IP, APC | 58 |
| 252 | MEUNIER CARLIN & CURFMAN LLC | 58 |
| 255 | JENKINS, WILSON, TAYLOR & HUNT, P.A. | 57 |
| 256 | WANG LAW FIRM, INC. | 56 |
| 256 | DESIGN IP | 56 |
| 258 | QUINN IP LAW | 55 |
| 258 | PARATUS LAW GROUP, PLLC | 55 |
| 258 | SYNCODA LLC | 55 |
| 261 | SEYFARTH SHAW LLP | 54 |
| 261 | BURNS & LEVINSON LLP | 54 |
| 263 | MCGARRY BAIR PC | 53 |
| 263 | MOSER TABOADA | 53 |
| 263 | BOOKOFF MCANDREWS, LLC | 53 |
| 263 | BERKELEY LAW & TECHNOLOGY GROUP LLP | 53 |
| 263 | ABELMAN, FRAYNE & SCHWAB | 53 |
| 268 | OTTERSTEDT, WALLACE & KAMMER, LLP | 52 |
| 268 | SHUMAKER, LOOP & KENDRICK, LLP | 52 |
| 268 | GILLIAM IP PLLC | 52 |
| 268 | GARG LAW FIRM, PLLC | 52 |
| 272 | PRAMUDJI LAW GROUP PLLC | 51 |
| 272 | REISING ETHINGTON P.C. | 51 |
| 272 | YEE & ASSOCIATES, P.C. | 51 |
| 272 | STEIN IP, LLC | 51 |
| 276 | VAN PELT, YI & JAMES LLP | 50 |
| 276 | SMITH BALUCH LLP | 50 |
| 276 | PATENT PORTFOLIO BUILDERS, PLLC | 50 |
| 276 | MACMILLAN, SOBANSKI & TODD, LLC | 50 |
If you have any questions about the Top Patent Firms 2020 list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com