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 1600. 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 | DENTONS | 551 | 632 | -13% |
| 2 | FISH & RICHARDSON P.C. | 435 | 475 | -8% |
| 3 | WOLF GREENFIELD & SACKS P.C. | 404 | 409 | -1% |
| 4 | FOLEY & LARDNER LLP | 381 | 424 | -10% |
| 5 | WILSON SONSINI GOODRICH & ROSATI | 366 | 350 | 5% |
| 6 | COOLEY LLP | 347 | 310 | 12% |
| 7 | KNOBBE MARTENS OLSON & BEAR LLP | 280 | 319 | -12% |
| 8 | KILPATRICK TOWNSEND & STOCKTON LLP | 277 | 329 | -16% |
| 9 | BOZICEVIC FIELD & FRANCIS LLP | 268 | 286 | -6% |
| 10 | MORGAN LEWIS & BOCKIUS LLP | 246 | 238 | 3% |
| 11 | BIRCH STEWART KOLACH & BIRCH LLP | 242 | 249 | -3% |
| 12 | MARSHALL GERSTEIN & BORUN LLP | 240 | 184 | 30% |
| 13 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 239 | 280 | -15% |
| 14 | MORRISON & FOERSTER LLP | 229 | 238 | -4% |
| 15 | MCBEE MOORE & VANIK IP LLC | 228 | 251 | -9% |
| 16 | SUGHRUE MION PLC | 226 | 205 | 10% |
| 17 | MCCARTER & ENGLISH LLP | 212 | 184 | 15% |
| 18 | OBLON MCCLELLAND MAIER & NEUSTADT L.L.P. | 209 | 268 | -22% |
| 19 | CASIMIR JONES S.C. | 186 | 172 | 8% |
| 20 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 180 | 205 | -12% |
| 21 | BAKER & HOSTETLER LLP | 173 | 180 | -4% |
| 22 | TROUTMAN PEPPER | 171 | 176 | -3% |
| 23 | GOODWIN PROCTER LLP | 158 | 119 | 33% |
| 24 | FOLEY HOAG LLP | 153 | 134 | 14% |
| 24 | KLARQUIST SPARKMAN LLP | 153 | 183 | -16% |
| 26 | PARKER HIGHLANDER PLLC | 145 | 122 | 19% |
| 26 | SEED INTELLECTUAL PROPERTY LAW GROUP | 145 | 135 | 7% |
| 28 | CLARK & ELBING LLP | 139 | 136 | 2% |
| 29 | WENDEROTH LIND & PONACK L.L.P. | 138 | 122 | 13% |
| 30 | POLSINELLI LLP | 137 | 162 | -15% |
| 31 | LEYDIG VOIT & MAYER LTD | 132 | 164 | -20% |
| 31 | NIXON & PEABODY LLP | 132 | 169 | -22% |
| 33 | CANTOR COLBURN LLP | 130 | 140 | -7% |
| 34 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 128 | 124 | 3% |
| 35 | LATHROP & GAGE L.L.P. | 124 | 139 | -11% |
| 36 | SALIWANCHIK LLOYD & EISENSCHENK | 123 | 136 | -10% |
| 37 | NORTON ROSE FULBRIGHT | 120 | 146 | -18% |
| 38 | QUARLES & BRADY LLP | 119 | 138 | -14% |
| 39 | K&L GATES LLP | 118 | 130 | -9% |
| 40 | NIXON & VANDERHYE P.C. | 116 | 112 | 4% |
| 41 | MYERS BIGEL P.A. | 114 | 117 | -3% |
| 42 | FINNEGAN HENDERSON FARABOW GARRETT & DUNNER LLP | 113 | 150 | -25% |
| 43 | BARNES & THORNBURG LLP | 110 | 120 | -8% |
| 44 | MCNEILL BAUR PLLC | 109 | 94 | 16% |
| 45 | CHOATE HALL & STEWART LLP | 105 | 110 | -5% |
| 46 | DECHERT LLP | 101 | 90 | 12% |
| 47 | DINSMORE & SHOHL LLP | 100 | 80 | 25% |
| 47 | FAEGRE DRINKER BIDDLE & REATH LLP | 100 | 100 | 0% |
| 49 | HARNESS IP | 97 | 103 | -6% |
| 49 | ROTHWELL FIGG ERNST & MANBECK P.C. | 97 | 88 | 10% |
| 51 | MEUNIER CARLIN & CURFMAN LLC | 95 | 94 | 1% |
| 51 | W&C IP | 95 | 105 | -10% |
| 53 | PERKINS COIE LLP | 94 | 92 | 2% |
| 54 | SHEPPARD MULLIN RICHTER & HAMPTON LLP | 93 | 87 | 7% |
| 55 | DUANE MORRIS LLP | 87 | 103 | -16% |
| 56 | JONES DAY | 86 | 130 | -34% |
| 56 | OLIFF PLC | 86 | 115 | -25% |
| 58 | RIVERSIDE LAW LLP | 85 | 71 | 20% |
| 59 | ARENT FOX LLP | 84 | 99 | -15% |
| 59 | MASCHOFF BRENNAN | 84 | 65 | 29% |
| 61 | GREENBERG TRAURIG LLP | 83 | 66 | 26% |
| 62 | PEARL COHEN ZEDEK LATZER BARATZ LLP | 82 | 70 | 17% |
| 63 | BUCHANAN INGERSOLL & ROONEY P.C | 80 | 90 | -11% |
| 64 | FOX ROTHSCHILD LLP | 78 | 91 | -14% |
| 64 | ICE MILLER LLP | 78 | 46 | 70% |
| 66 | ALSTON & BIRD LLP | 74 | 74 | 0% |
| 66 | WOMBLE BOND DICKINSON (US) LLP | 74 | 71 | 4% |
| 68 | SCHWEGMAN LUNDBERG & WOESSNER P.A. | 73 | 98 | -26% |
| 69 | NELSON MULLINS RILEY & SCARBOROUGH LLP | 72 | 51 | 41% |
| 70 | BALLARD SPAHR LLP | 68 | 64 | 6% |
| 70 | MICHAEL BEST & FRIEDRICH LLP | 68 | 55 | 24% |
| 70 | SAUL EWING ARNSTEIN & LEHR LLP | 68 | 73 | -7% |
| 73 | DLA PIPER LLP | 67 | 74 | -9% |
| 74 | ARNOLD & PORTER KAYE SCHOLER LLP | 63 | 57 | 11% |
| 74 | BANNER & WITCOFF LTD | 63 | 70 | -10% |
| 76 | PABST PATENT GROUP LLP | 62 | 66 | -6% |
| 77 | MCDERMOTT WILL & EMERY LLP | 61 | 35 | 74% |
| 78 | BAKER DONELSON BEARMAN CALDWELL & BERKOWITZ | 60 | 57 | 5% |
| 78 | LUCAS & MERCANTI LLP | 60 | 76 | -21% |
| 78 | MERCHANT & GOULD P.C. | 60 | 71 | -15% |
| 78 | THOMAS HORSTEMEYER LLP | 60 | 65 | -8% |
| 82 | BAKER BOTTS L.L.P | 59 | 48 | 23% |
| 83 | STINSON LEONARD STREET LLP | 58 | 61 | -5% |
| 84 | EVERSHEDS SUTHERLAND (US) LLP | 56 | 52 | 8% |
| 84 | HOWSON & HOWSON LLP | 56 | 43 | 30% |
| 86 | LEASON ELLIS LLP | 55 | 52 | 6% |
| 86 | SHERIDAN ROSS P.C. | 55 | 68 | -19% |
| 86 | TAROLLI SUNDHEIM COVELL & TUMMINO L.L.P. | 55 | 62 | -11% |
| 86 | VIKSNINS HARRIS PADYS MALEN LLP | 55 | 80 | -31% |
| 90 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 54 | 49 | 10% |
| 91 | FISHERBROYLES LLP | 53 | 57 | -7% |
| 91 | HOXIE & ASSOCIATES LLC | 53 | 33 | 61% |
| 93 | BAYRAMOGLU LAW OFFICES LLC | 51 | 24 | 113% |
| 93 | SCULLY SCOTT MURPHY & PRESSER PC | 51 | 65 | -22% |
| 95 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 50 | 55 | -9% |
| 95 | MUETING RAASCH GROUP | 50 | 56 | -11% |
If you have any questions about the Top Patent Firms 2021 list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com