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 2022 where the art unit is in technology center 1700. 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 | 2022 Patents | 2021 Patents | YoY Difference |
|---|---|---|---|---|
| 1 | OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 788 | 870 | -9% |
| 2 | BIRCH STEWART KOLACH & BIRCH, LLP | 771 | 837 | -8% |
| 3 | SUGHRUE MION, PLC | 631 | 681 | -7% |
| 4 | OLIFF PLC | 536 | 553 | -3% |
| 5 | CANTOR COLBURN LLP | 510 | 562 | -9% |
| 6 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 382 | 386 | -1% |
| 7 | FISH & RICHARDSON P.C. | 378 | 366 | 3% |
| 8 | HARNESS IP | 375 | 327 | 15% |
| 9 | FOLEY & LARDNER LLP | 357 | 384 | -7% |
| 10 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 346 | 304 | 14% |
| 11 | MORGAN LEWIS & BOCKIUS LLP | 318 | 326 | -2% |
| 12 | GREENBLUM & BERNSTEIN P.L.C. | 315 | 284 | 11% |
| 13 | WENDEROTH, LIND & PONACK, L.L.P. | 295 | 275 | 7% |
| 14 | FAEGRE DRINKER BIDDLE & REATH LLP | 284 | 232 | 22% |
| 15 | DINSMORE & SHOHL LLP | 267 | 269 | -1% |
| 16 | KNOBBE MARTENS OLSON & BEAR LLP | 256 | 237 | 8% |
| 17 | KILPATRICK TOWNSEND & STOCKTON LLP | 235 | 219 | 7% |
| 18 | LEWIS ROCA ROTHGERBER CHRISTIE LLP | 232 | 237 | -2% |
| 19 | DORITY & MANNING, P.A. | 221 | 282 | -22% |
| 20 | BUCHANAN INGERSOLL & ROONEY P.C | 213 | 203 | 5% |
| 21 | NIXON & VANDERHYE P.C. | 206 | 194 | 6% |
| 22 | JCIPRNET | 205 | 212 | -3% |
| 22 | OSHA BERGMAN WATANABE & BURTON LLP | 205 | 222 | -8% |
| 24 | K&L GATES LLP | 203 | 174 | 17% |
| 25 | DENTONS | 202 | 190 | 6% |
| 26 | DICKINSON WRIGHT PLLC | 201 | 160 | 26% |
| 27 | MCDERMOTT WILL & EMERY LLP | 188 | 191 | -2% |
| 28 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 172 | 190 | -9% |
| 29 | CROWELL & MORING LLP | 165 | 126 | 31% |
| 29 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 165 | 218 | -24% |
| 31 | LEYDIG, VOIT & MAYER, LTD | 161 | 151 | 7% |
| 32 | RATNERPRESTIA | 155 | 181 | -14% |
| 33 | THORPE NORTH & WESTERN LLP | 151 | 138 | 9% |
| 34 | MERCHANT & GOULD P.C. | 150 | 136 | 10% |
| 34 | THE WEBB LAW FIRM | 150 | 166 | -10% |
| 36 | PATTERSON & SHERIDAN, LLP. | 146 | 195 | -25% |
| 37 | VENABLE LLP | 141 | 171 | -18% |
| 38 | KENJA IP LAW PC | 140 | 120 | 17% |
| 39 | LOCKE LORD LLP | 135 | 112 | 21% |
| 40 | ARMSTRONG TEASDALE LLP | 134 | 136 | -1% |
| 41 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 133 | 119 | 12% |
| 41 | STUDEBAKER & BRACKETT PC | 133 | 119 | 12% |
| 43 | BAKER & HOSTETLER LLP | 130 | 141 | -8% |
| 43 | WOMBLE BOND DICKINSON (US) LLP | 130 | 124 | 5% |
| 45 | MARSHALL, GERSTEIN & BORUN LLP | 129 | 124 | 4% |
| 45 | WOLF, GREENFIELD & SACKS, P.C. | 129 | 142 | -9% |
| 47 | FITCH, EVEN, TABIN & FLANNERY LLP | 128 | 115 | 11% |
| 48 | BROOKS KUSHMAN, P.C. | 127 | 157 | -19% |
| 48 | PEARNE & GORDON LLP | 127 | 128 | -1% |
| 50 | PILLSBURY WINTHORP SHAW PITTMAN, LLP | 126 | 131 | -4% |
| 51 | ARENTFOX SCHIFF LLP | 121 | 112 | 8% |
| 51 | MILLEN WHITE ZELANO & BRANIGAN, P.C. | 121 | 111 | 9% |
| 53 | NORTON ROSE FULBRIGHT | 118 | 108 | 9% |
| 54 | HAUPTMAN HAM LLP | 117 | 96 | 22% |
| 54 | SNELL & WILMER L.L.P. | 117 | 110 | 6% |
| 56 | GREER BURNS & CRAIN LTD. | 116 | 124 | -6% |
| 57 | BARNES & THORNBURG LLP | 113 | 111 | 2% |
| 58 | BURR & BROWN, PLLC | 112 | 117 | -4% |
| 58 | MICHAEL BEST & FRIEDRICH LLP | 112 | 121 | -7% |
| 60 | MAIER & MAIER, PLLC | 110 | 76 | 45% |
| 61 | GRUNEBERG AND MYERS PLLC | 109 | 85 | 28% |
| 62 | BAYRAMOGLU LAW OFFICES LLC | 107 | 84 | 27% |
| 62 | DUANE MORRIS LLP | 107 | 100 | 7% |
| 64 | NATH GOLDBERG & MEYER | 106 | 110 | -4% |
| 65 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 105 | 127 | -17% |
| 65 | RANKIN, HILL & CLARK LLP | 105 | 116 | -9% |
| 67 | MEUNIER CARLIN & CURFMAN LLC | 104 | 83 | 25% |
| 68 | WORKMAN NYDEGGER | 103 | 83 | 24% |
| 69 | MYERS BIGEL, P.A. | 99 | 76 | 30% |
| 70 | SEED INTELLECTUAL PROPERTY LAW GROUP | 98 | 81 | 21% |
| 71 | ROTHWELL, FIGG, ERNST & MANBECK P.C. | 93 | 101 | -8% |
| 72 | FOX ROTHSCHILD LLP | 91 | 42 | 117% |
| 73 | DLA PIPER LLP | 88 | 108 | -19% |
| 74 | AMIN, TUROCY & WATSON, LLP | 87 | 81 | 7% |
| 74 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 87 | 141 | -38% |
| 74 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 87 | 88 | -1% |
| 77 | BANNER & WITCOFF, LTD | 86 | 81 | 6% |
| 77 | THOMAS HORSTEMEYER, LLP | 86 | 119 | -28% |
| 79 | BRACEWELL LLP | 84 | 114 | -26% |
| 79 | NIXON & PEABODY LLP | 84 | 72 | 17% |
| 81 | EVERSHEDS SUTHERLAND (US) LLP | 83 | 83 | 0% |
| 81 | NOVICK, KIM & LEE, PLLC | 83 | 94 | -12% |
| 83 | HP INC. PATENT DEPARTMENT | 82 | 53 | 55% |
| 84 | GREENBERG TRAURIG LLP | 81 | 79 | 3% |
| 85 | LEASON ELLIS LLP | 80 | 67 | 19% |
| 85 | QUARLES & BRADY LLP | 80 | 73 | 10% |
| 87 | WARNER NORCROSS & JUDD LLP | 79 | 37 | 114% |
| 88 | VORYS, SATER, SEYMOUR & PEASE LLP | 77 | 65 | 18% |
| 89 | PERKINS COIE LLP | 76 | 98 | -22% |
| 90 | FISHERBROYLES LLP | 73 | 61 | 20% |
| 90 | LEE IP LAW PC | 73 | 67 | 9% |
| 90 | LUCAS & MERCANTI, LLP | 73 | 76 | -4% |
| 93 | LORENZ & KOPF LLP | 72 | 74 | -3% |
| 93 | MUETING RAASCH GROUP | 72 | 94 | -23% |
| 93 | RENNER OTTO BOISSELLE & SKLAR, LLP | 72 | 81 | -11% |
| 93 | SCULLY, SCOTT, MURPHY & PRESSER, PC | 72 | 67 | 7% |
| 97 | SERVILLA WHITNEY LLC | 71 | 38 | 87% |
| 97 | TROUTMAN PEPPER | 71 | 84 | -15% |
| 97 | VOLPE & KOENIG, P.C. | 71 | 73 | -3% |
| 100 | IPUSA, PLLC | 70 | 40 | 75% |
| 101 | CALFEE HALTER & GRISWOLD LLP | 69 | 63 | 10% |
| 101 | CONLEY ROSE, P.C. | 69 | 56 | 23% |
| 101 | DORSEY & WHITNEY LLP | 69 | 64 | 8% |
| 104 | KED & ASSOCIATES LLP | 68 | 54 | 26% |
| 105 | POLSINELLI LLP | 67 | 99 | -32% |
| 105 | SHERIDAN ROSS P.C. | 67 | 71 | -6% |
| 105 | STAAS & HALSEY LLP | 67 | 45 | 49% |
| 108 | ALSTON & BIRD LLP | 66 | 71 | -7% |
| 108 | BAKER BOTTS L.L.P | 66 | 99 | -33% |
| 108 | BLANK ROME LLP | 66 | 68 | -3% |
| 108 | MASCHOFF BRENNAN | 66 | 59 | 12% |
| 108 | WPAT, P.C., INTELLECTUAL PROPERTY ATTORNEYS | 66 | 47 | 40% |
| 113 | MCANDREWS, HELD & MALLOY, LTD. | 65 | 45 | 44% |
| 113 | THE MARBURY LAW GROUP | 65 | 47 | 38% |
| 113 | XSENSUS, LLP | 65 | 35 | 86% |
| 116 | MCKEE, VOORHEES & SEASE, PLC | 64 | 63 | 2% |
| 116 | OSTROLENK FABER LLP | 64 | 96 | -33% |
| 118 | DAVIDSON, DAVIDSON & KAPPEL, LLC | 63 | 49 | 29% |
| 119 | SCIENBIZIP, P.C. | 62 | 84 | -26% |
| 119 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 62 | 57 | 9% |
| 121 | HAYNES AND BOONE, LLP | 61 | 78 | -22% |
| 122 | KLARQUIST SPARKMAN, LLP | 60 | 45 | 33% |
| 123 | CARLSON, GASKEY & OLDS. P.C. | 58 | 84 | -31% |
| 123 | HUNTON ANDREWS KURTH LLP | 58 | 53 | 9% |
| 125 | COZEN O'CONNOR | 57 | 62 | -8% |
| 125 | MATTINGLY & MALUR, PC | 57 | 50 | 14% |
| 125 | MOSER TABOADA | 57 | 51 | 12% |
| 125 | SLATER MATSIL | 57 | 63 | -10% |
| 129 | QUINN IP LAW | 56 | 58 | -3% |
| 130 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 55 | 64 | -14% |
| 130 | WEIHROUCH IP | 55 | Infinity | |
| 132 | PANITCH SCHWARZE BELISARIO & NADEL LLP | 54 | 71 | -24% |
| 132 | SQUIRE PATTON BOGGS LLP | 54 | 47 | 15% |
| 132 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 54 | 46 | 17% |
| 135 | GLOBAL IP COUNCELORS, LLP | 53 | 72 | -26% |
| 135 | LOWENSTEIN & SANDLER LLP | 53 | 56 | -5% |
| 135 | MCCOY RUSSELL LLP | 53 | 42 | 26% |
| 138 | ABEL SCHILLINGER, LLP | 52 | 45 | 16% |
| 138 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 52 | 62 | -16% |
| 138 | MCGARRY BAIR PC | 52 | 68 | -24% |
| 141 | IP & T GROUP LLP | 50 | 34 | 47% |
| 141 | PRICE HENEVELD LLP | 50 | 33 | 52% |
If you have any questions about the Top Patent Firms 2022 list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com