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 between 3770-3779, 3790-3799. 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 | KNOBBE MARTENS OLSON & BEAR LLP | 340 | 365 | -7% |
| 2 | SCHWEGMAN LUNDBERG & WOESSNER P.A. | 292 | 306 | -5% |
| 3 | LERNER DAVID LITTENBERG KRUMHOLZ & MENTLIK LLP | 183 | 189 | -3% |
| 4 | CARTER DELUCA FARRELL & SCHMIDT LLP | 181 | 171 | 6% |
| 5 | SEAGER TUFTE & WICKHEM LLP | 150 | 146 | 3% |
| 6 | FOLEY & LARDNER LLP | 133 | 117 | 14% |
| 7 | SUGHRUE MION PLC | 130 | 126 | 3% |
| 8 | OLIFF PLC | 119 | 112 | 6% |
| 9 | SCULLY SCOTT MURPHY & PRESSER PC | 118 | 128 | -8% |
| 10 | SHUMAKER & SIEFFERT P.A. | 116 | 90 | 29% |
| 11 | FROST BROWN TODD LLC | 109 | 118 | -8% |
| 12 | FISH & RICHARDSON P.C. | 107 | 114 | -6% |
| 13 | BOOKOFF MCANDREWS LLC | 98 | 103 | -5% |
| 14 | KILPATRICK TOWNSEND & STOCKTON LLP | 91 | 118 | -23% |
| 15 | OBLON MCCLELLAND MAIER & NEUSTADT L.L.P. | 90 | 76 | 18% |
| 16 | BAKER & HOSTETLER LLP | 88 | 97 | -9% |
| 16 | WILSON SONSINI GOODRICH & ROSATI | 88 | 113 | -22% |
| 18 | TROUTMAN PEPPER | 87 | 62 | 40% |
| 19 | KACVINSKY DAISAK BLUNI PLLC | 84 | 4 | 2000% |
| 20 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 79 | 104 | -24% |
| 21 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 78 | 43 | 81% |
| 22 | QUARLES & BRADY LLP | 74 | 72 | 3% |
| 23 | BARNES & THORNBURG LLP | 73 | 67 | 9% |
| 23 | POLSINELLI LLP | 73 | 68 | 7% |
| 25 | PERKINS COIE LLP | 72 | 68 | 6% |
| 26 | DUANE MORRIS LLP | 69 | 35 | 97% |
| 27 | HARNESS IP | 66 | 82 | -20% |
| 27 | MEUNIER CARLIN & CURFMAN LLC | 66 | 60 | 10% |
| 29 | BUCHANAN INGERSOLL & ROONEY P.C | 65 | 69 | -6% |
| 30 | BIRCH STEWART KOLACH & BIRCH LLP | 61 | 69 | -12% |
| 30 | SHAY GLENN LLP | 61 | 63 | -3% |
| 32 | MORGAN LEWIS & BOCKIUS LLP | 60 | 67 | -10% |
| 33 | COOLEY LLP | 58 | 55 | 5% |
| 34 | WORKMAN NYDEGGER | 55 | 57 | -4% |
| 35 | WOMBLE BOND DICKINSON (US) LLP | 54 | 42 | 29% |
| 36 | K&L GATES LLP | 52 | 39 | 33% |
| 36 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 52 | 59 | -12% |
| 36 | SORELL LENNA & SCHMIDT LLP | 52 | 31 | 68% |
| 39 | FAEGRE DRINKER BIDDLE & REATH LLP | 51 | 71 | -28% |
| 40 | KLARQUIST SPARKMAN LLP | 50 | 81 | -38% |
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