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 between 3600-3619, 3630-3679. 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 | CANTOR COLBURN LLP | 480 | 513 | -6% |
| 2 | SUGHRUE MION, PLC | 429 | 352 | 22% |
| 3 | OLIFF PLC | 428 | 478 | -10% |
| 4 | FISH & RICHARDSON P.C. | 416 | 339 | 23% |
| 4 | OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P. | 416 | 367 | 13% |
| 6 | DINSMORE & SHOHL LLP | 404 | 342 | 18% |
| 7 | HARNESS IP | 374 | 362 | 3% |
| 8 | MORGAN LEWIS & BOCKIUS LLP | 355 | 325 | 9% |
| 9 | NIXON & VANDERHYE P.C. | 326 | 269 | 21% |
| 10 | FOLEY & LARDNER LLP | 323 | 321 | 1% |
| 11 | DICKINSON WRIGHT PLLC | 293 | 284 | 3% |
| 12 | NORTON ROSE FULBRIGHT | 286 | 243 | 18% |
| 13 | CROWELL & MORING LLP | 282 | 198 | 42% |
| 14 | KILPATRICK TOWNSEND & STOCKTON LLP | 280 | 249 | 12% |
| 15 | BROOKS KUSHMAN, P.C. | 271 | 302 | -10% |
| 16 | PRICE HENEVELD LLP | 258 | 238 | 8% |
| 17 | KNOBBE MARTENS OLSON & BEAR LLP | 247 | 260 | -5% |
| 18 | DORITY & MANNING, P.A. | 245 | 233 | 5% |
| 19 | BIRCH STEWART KOLACH & BIRCH, LLP | 237 | 210 | 13% |
| 20 | WOMBLE BOND DICKINSON (US) LLP | 227 | 196 | 16% |
| 21 | MICHAEL BEST & FRIEDRICH LLP | 223 | 256 | -13% |
| 22 | BARNES & THORNBURG LLP | 222 | 206 | 8% |
| 23 | MUNCY, GEISSLER, OLDS & LOWE P.C. | 217 | 172 | 26% |
| 24 | MCCOY RUSSELL LLP | 206 | 217 | -5% |
| 25 | RANKIN, HILL & CLARK LLP | 203 | 205 | -1% |
| 26 | SCHWEGMAN LUNDBERG & WOESSNER, P.A. | 200 | 168 | 19% |
| 27 | AMIN, TUROCY & WATSON, LLP | 199 | 163 | 22% |
| 28 | MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP | 193 | 172 | 12% |
| 29 | SNELL & WILMER L.L.P. | 190 | 165 | 15% |
| 30 | HAUPTMAN HAM LLP | 184 | 136 | 35% |
| 31 | OSHA BERGMAN WATANABE & BURTON LLP | 179 | 96 | 86% |
| 32 | WENDEROTH, LIND & PONACK, L.L.P. | 176 | 160 | 10% |
| 33 | BEJIN BIENEMAN PLC | 170 | 181 | -6% |
| 34 | BUCHANAN INGERSOLL & ROONEY P.C | 161 | 180 | -11% |
| 35 | STUDEBAKER & BRACKETT PC | 159 | 140 | 14% |
| 36 | HAYNES AND BOONE, LLP | 155 | 130 | 19% |
| 36 | MASCHOFF BRENNAN | 155 | 156 | -1% |
| 38 | LEMPIA SUMMERFIELD KATZ LLC | 153 | 79 | 94% |
| 39 | GLOBAL IP COUNCELORS, LLP | 149 | 204 | -27% |
| 39 | LEE & HAYES PLLC | 149 | 121 | 23% |
| 41 | THE WEBB LAW FIRM | 145 | 133 | 9% |
| 42 | SLATER MATSIL | 142 | 75 | 89% |
| 43 | POLSINELLI LLP | 140 | 109 | 28% |
| 44 | GREENBLUM & BERNSTEIN P.L.C. | 138 | 149 | -7% |
| 45 | CARLSON, GASKEY & OLDS. P.C. | 136 | 185 | -26% |
| 46 | FAEGRE DRINKER BIDDLE & REATH LLP | 135 | 144 | -6% |
| 46 | YOUNG BASILE HANLON & MACFARLANE, P.C. | 135 | 111 | 22% |
| 48 | LEYDIG, VOIT & MAYER, LTD | 133 | 130 | 2% |
| 49 | DARROW MUSTAFA PC | 132 | 72 | 83% |
| 49 | TAFT STETTININUS & HOLLISTER LLP | 132 | 135 | -2% |
| 51 | MAIER & MAIER, PLLC | 131 | 130 | 1% |
| 52 | SUITER SWANTZ PC LLO | 128 | 112 | 14% |
| 53 | GREER BURNS & CRAIN LTD. | 125 | 109 | 15% |
| 54 | FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP | 124 | 123 | 1% |
| 55 | K&L GATES LLP | 122 | 66 | 85% |
| 55 | WORKMAN NYDEGGER | 122 | 136 | -10% |
| 57 | CONLEY ROSE, P.C. | 118 | 93 | 27% |
| 58 | C. TUMEY LAW GROUP PLLC | 117 | 104 | 13% |
| 59 | QUINN IP LAW | 112 | 114 | -2% |
| 59 | RENNER OTTO BOISSELLE & SKLAR, LLP | 112 | 115 | -3% |
| 61 | JCIPRNET | 111 | 128 | -13% |
| 61 | MERCHANT & GOULD P.C. | 111 | 107 | 4% |
| 61 | TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P. | 111 | 95 | 17% |
| 64 | WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP | 110 | 123 | -11% |
| 65 | BAYRAMOGLU LAW OFFICES LLC | 109 | 87 | 25% |
| 65 | FOX ROTHSCHILD LLP | 109 | 50 | 118% |
| 65 | PERKINS COIE LLP | 109 | 135 | -19% |
| 68 | ANDRUS INTELLECTUAL PROPERTY LAW, LLP | 106 | 96 | 10% |
| 68 | EVERSHEDS SUTHERLAND (US) LLP | 106 | 108 | -2% |
| 70 | QUARLES & BRADY LLP | 105 | 109 | -4% |
| 71 | VENABLE LLP | 104 | 115 | -10% |
| 72 | THE SMALL PATENT LAW GROUP, LLC | 102 | 95 | 7% |
| 73 | ALSTON & BIRD LLP | 101 | 124 | -19% |
| 73 | XSENSUS, LLP | 101 | 62 | 63% |
| 75 | ARMSTRONG TEASDALE LLP | 100 | 110 | -9% |
| 76 | VOLPE & KOENIG, P.C. | 99 | 114 | -13% |
| 77 | LORENZ & KOPF LLP | 98 | 102 | -4% |
| 77 | RATNERPRESTIA | 98 | 83 | 18% |
| 79 | HANLEY FLIGHT & ZIMMERMAN, LLC | 95 | 106 | -10% |
| 79 | THOMAS HORSTEMEYER, LLP | 95 | 61 | 56% |
| 81 | BAKER BOTTS L.L.P | 90 | 136 | -34% |
| 81 | FITCH, EVEN, TABIN & FLANNERY LLP | 90 | 93 | -3% |
| 81 | MCDERMOTT WILL & EMERY LLP | 90 | 68 | 32% |
| 84 | PEARNE & GORDON LLP | 88 | 67 | 31% |
| 85 | ALLEMAN HALL CREASMAN & TUTTLE LLP | 87 | 73 | 19% |
| 85 | ANOVA LAW GROUP, PLLC | 87 | 95 | -8% |
| 87 | FISHERBROYLES LLP | 86 | 69 | 25% |
| 87 | HOWARD & HOWARD ATTORNEYS PLLC | 86 | 88 | -2% |
| 89 | BANNER & WITCOFF, LTD | 85 | 87 | -2% |
| 90 | ARENTFOX SCHIFF LLP | 84 | 80 | 5% |
| 90 | FINCH & MALONEY PLLC | 84 | 78 | 8% |
| 90 | LOCKE LORD LLP | 84 | 82 | 2% |
| 90 | WESTMAN CHAMPLIN & KOEHLER, P.A. | 84 | 77 | 9% |
| 94 | BRACEWELL LLP | 83 | 124 | -33% |
| 94 | PATTERSON & SHERIDAN, LLP. | 83 | 114 | -27% |
| 96 | BAKER & HOSTETLER LLP | 82 | 103 | -20% |
| 97 | HARRITY & HARRITY, LLP | 81 | 37 | 119% |
| 97 | HONIGMAN MILLER SCHWARTZ & COHN LLP | 81 | 82 | -1% |
| 97 | TROUTMAN PEPPER | 81 | 86 | -6% |
| 100 | MAGINOT MOORE & BECK LLP | 80 | 79 | 1% |
| 101 | CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC | 79 | 96 | -18% |
| 101 | KEATING & BENNETT, LLP | 79 | 66 | 20% |
| 103 | FENWICK & WEST LLP | 76 | 59 | 29% |
| 103 | MARSHALL, GERSTEIN & BORUN LLP | 76 | 99 | -23% |
| 105 | THYSSENKRUPP NORTH AMERICA, INC. | 75 | 56 | 34% |
| 106 | MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC | 74 | 144 | -49% |
| 106 | REISING ETHINGTON P.C. | 74 | 82 | -10% |
| 108 | WOLF, GREENFIELD & SACKS, P.C. | 73 | 82 | -11% |
| 109 | MARSHALL & MELHORN, LLC | 72 | 85 | -15% |
| 109 | STERNE KESSLER GOLDSTEIN & FOX P.L.L.C. | 72 | 64 | 13% |
| 111 | BURRIS LAW, PLLC | 71 | 55 | 29% |
| 111 | GREENBERG TRAURIG LLP | 71 | 70 | 1% |
| 111 | MCGUIREWOODS LLP | 71 | 58 | 22% |
| 114 | CALFEE HALTER & GRISWOLD LLP | 70 | 46 | 52% |
| 114 | DORSEY & WHITNEY LLP | 70 | 77 | -9% |
| 116 | CLEMENTS BERNARD WALKER PLLC | 69 | 53 | 30% |
| 116 | DENTONS | 69 | 51 | 35% |
| 116 | SEED INTELLECTUAL PROPERTY LAW GROUP | 69 | 74 | -7% |
| 119 | KED & ASSOCIATES LLP | 67 | 46 | 46% |
| 119 | PATTERSON INTELLECTUAL PROPERTY LAW, P.C. | 67 | 53 | 26% |
| 119 | WARNER NORCROSS & JUDD LLP | 67 | 51 | 31% |
| 122 | PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP | 65 | 70 | -7% |
| 122 | SHEPPARD, MULLIN, RICHTER & HAMPTON LLP | 65 | 59 | 10% |
| 124 | LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP | 64 | 63 | 2% |
| 125 | BCF LLP | 63 | 45 | 40% |
| 125 | SHERIDAN ROSS P.C. | 63 | 108 | -42% |
| 125 | WOOD HERRON & EVANS LLP | 63 | 73 | -14% |
| 128 | NOVICK, KIM & LEE, PLLC | 62 | 55 | 13% |
| 129 | BOOKOFF MCANDREWS, LLC | 61 | 42 | 45% |
| 129 | CALDERON, SAFRAN & COLE, P.C. | 61 | 70 | -13% |
| 129 | SCHMEISER, OLSEN & WATTS, LLP | 61 | 72 | -15% |
| 129 | WPAT, P.C., INTELLECTUAL PROPERTY ATTORNEYS | 61 | 25 | 144% |
| 133 | REED SMITH LLP | 60 | 46 | 30% |
| 134 | COLLARD & ROE, P. C. | 59 | 71 | -17% |
| 135 | CARRIER BLACKMAN & ASSOCIATES, P.C. | 58 | 84 | -31% |
| 136 | CARTER, DELUCA, FARRELL & SCHMIDT, LLP | 57 | 54 | 6% |
| 136 | COZEN O'CONNOR | 57 | 63 | -10% |
| 136 | SHOOK, HARDY & BACON L.L.P. | 57 | 45 | 27% |
| 139 | CALDWELL INTELLECTUAL PROPERTY LAW | 56 | 9 | 522% |
| 139 | HAMRE, SCHUMANN, MUELLER & LARSON, P.C. | 56 | 50 | 12% |
| 139 | J-TEK LAW PLLC | 56 | 63 | -11% |
| 139 | LEASON ELLIS LLP | 56 | 54 | 4% |
| 139 | POSZ LAW GROUP, PLC | 56 | 61 | -8% |
| 139 | SHUMAKER, LOOP & KENDRICK, LLP | 56 | 55 | 2% |
| 145 | HUNTON ANDREWS KURTH LLP | 55 | 50 | 10% |
| 145 | MAYER & WILLIAMS PC | 55 | 68 | -19% |
| 145 | SCIENBIZIP, P.C. | 55 | 33 | 67% |
| 145 | THE DOBRUSIN LAW FIRM P.C. | 55 | 32 | 72% |
| 145 | VIVACQUA CRANE | 55 | 19 | 189% |
| 150 | NELSON MULLINS RILEY & SCARBOROUGH LLP | 54 | 63 | -14% |
| 151 | NEAL, GERBER & EISENBERG LLP | 53 | 47 | 13% |
| 151 | PERMAN & GREEN, LLP | 53 | 54 | -2% |
| 153 | JENKINS, WILSON, TAYLOR & HUNT, P.A. | 52 | 54 | -4% |
| 153 | RABIN & BERDO, P.C. | 52 | 44 | 18% |
| 155 | DLA PIPER LLP | 51 | 56 | -9% |
| 155 | H. C. PARK & ASSOCIATES, PLC | 51 | 38 | 34% |
| 155 | PARATUS LAW GROUP, PLLC | 51 | 33 | 55% |
| 155 | ROSENBERG, KLEIN & LEE | 51 | 46 | 11% |
| 155 | TUCKER ELLIS LLP | 51 | 32 | 59% |
| 160 | DUANE MORRIS LLP | 50 | 35 | 43% |
If you have any questions about the 2022 Top Patent Firms list, or any other patent analytics related questions, feel free to contact:
Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com