Top Patent Firms 2018 - Mechanical Engineering, Manufacturing and Products

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 2018 where the patent firms were listed on the front of the utility patents, and the art unit is between 3700-3769, 3780-3789. 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.

RANKFIRM NAMEPATENTS
1OLIFF PLC548
2OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P.520
3KNOBBE MARTENS OLSON & BEAR LLP459
4CARLSON, GAKSEY & OLDS. P.C.452
5MCCOY RUSSELL LLP398
6HARNESS, DICKEY & PIERCE P.L.C.385
7FOLEY & LARDNER LLP363
8CANTOR COLBURN LLP346
9SUGHRUE MION, PLC329
10FISH & RICHARDSON P.C.318
11BRINKS GILSON & LIONE317
12BIRCH STEWART KOLACH & BIRCH, LLP305
13BUCHANAN INGERSOLL & ROONEY P.C291
14MUNCY, GEISSLER, OLDS & LOWE P.C.263
15NIXON & VANDERHYE P.C.262
16DORITY & MANNING, P.A.256
17SCHWEGMAN LUNDBERG & WOESSNER, P.A.252
18NORTON ROSE FULBRIGHT251
19KILPATRICK TOWNSEND & STOCKTON LLP221
20MICHAEL BEST & FRIEDRICH LLP219
21MCDERMOTT WILL & EMERY LLP213
22PEARNE & GORDON LLP207
23BAKER & HOSTETLER LLP205
24WOMBLE BOND DICKINSON (US) LLP200
25POSZ LAW GROUP, PLC189
26MORGAN LEWIS & BOCKIUS LLP185
27WENDEROTH, LIND & PONACK, L.L.C.165
28MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP163
29SNELL & WILMER L.L.P.161
29BROOKS KUSHMAN, P.C.161
31DICKINSON WRIGHT PLLC160
32MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC158
33NEAL, GERBER & EISENBERG LLP156
33BANNER & WITCOFF, LTD156
35CROWELL & MORING LLP155
35FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP155
37GE GLOBAL PATENT OPERATION154
38THE WEBB LAW FIRM152
39PERKINS COIE LLP147
40WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP143
41HAUPTMAN HAM LLP142
42HOWARD & HOWARD ATTORNEYS PLLC141
43STUDEBAKER & BRACKETT PC139
43GREENBLUM & BERNSTEIN P.L.C.139
45LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP138
46BARNES & THORNBURG LLP137
47FLETCHER YODER P.C.133
48FAEGRE BAKER DANIELS LLP132
49ARMSTRONG TEASDALE LLP131
50LORENZ & KOPF LLP130
50MARSHALL, GERSTEIN & BORUN LLP130
52SEAGER, TUFTE & WICKHEM LLP129
53DINSMORE & SHOHL LLP127
54MCANDREWS, HELD & MALLOY, LTD.126
55MAGINOT MOORE & BECK LLP124
56WILSON SONSINI GOODRICH & ROSATI123
56VOLPE & KOENIG, P.C.123
56KED & ASSOCIATES LLP123
59RANKIN, HILL & CLARK LLP122
60QUINN IP LAW121
60KINNEY & LANGE, P.A.121
62SEED INTELLECTUAL PROPERTY LAW GROUP118
63LOCKE LORD LLP115
64PATTERSON & SHERIDAN, LLP.112
65YOUNG & THOMPSON109
66MERCHANT & GOULD P.C.108
66GENERAL ELECTRIC COMPANY108
68KLARQUIST SPARKMAN, LLP107
69QUARLES & BRADY LLP105
69POLSINELLI LLP105
69LEYDIG, VOIT & MAYER, LTD105
69FROST BROWN TODD LLC105
73OSHA LIANG LLP104
74HAMRE, SCHUMANN, MUELLER & LARSON, P.C.102
75K&L GATES LLP101
76RATNERPRESTIA100
76BAKER BOTTS L.L.P100
78RABIN & BERDO, P.C.98
78DORSEY & WHITNEY LLP98
80STAAS & HALSEY LLP97
80HUNTON ANDREWS KURTH LLP97
82WORKMAN NYDEGGER96
83O'SHEA GETZ P.C.94
83HONIGMAN MILLER SCHWARTZ & COHN LLP94
85SHUMAKER & SIEFFERT, P.A.93
86WOOD HERRON & EVANS LLP91
87PRICE HENEVELD LLP89
87MORRISON & FOERSTER LLP89
89BOOKOFF MCANDREWS, LLC88
90HESLIN ROTHENBERG FARLEY & MESITI P.C.86
90FITCH, EVEN, TABIN & FLANNERY LLP86
90BEUSSE, WOLTER, SANKS & MAIRE, PLLC86
93MARTINE PENILLA GROUP, LLP85
94GREENBERG TRAURIG LLP84
95SHEPPARD, MULLIN, RICHTER & HAMPTON LLP83
96COZEN O'CONNOR82
97RENNER OTTO BOISSELLE & SKLAR, LLP78
98BLANK ROME LLP77
98BRAKE HUGHES BELLERMAN LLP77
100GREER BURNS & CRAIN LTD.76
100DRINKER BIDDLE & REATH LLP76
102MCCARTER & ENGLISH, LLP75
102GLOBAL IP COUNCELORS, LLP75
102FISHMAN STEWART PLLC75
105HOFFMAN WARNICK LLC74
105EVERSHEDS SUTHERLAND (US) LLP74
107SHUMAKER, LOOP & KENDRICK, LLP73
107SHOOK, HARDY & BACON L.L.P.73
107OSTROLENK FABER LLP73
107KAMRATH IP LAWFIRM, P.A.73
111SLAYDEN GRUBERT BEARD PLLC72
112PILLSBURY WINTHORP SHAW PITTMAN, LLP69
112MILLER, MATTHIAS & HULL LLP69
112ANDRUS INTELLECTAUL PROPERTY LAW, LLP69
115WESTMAN CHAMPLIN & KOEHER, P.A.68
115TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P.68
115WOLF, GREENFIELD & SACKS, P.C.68
115STERNE KESSLER GOLDSTEIN & FOX P.L.L.C.68
115MCGLEW AND TUTTLE, P.C.68
115DAVIDSON, DAVIDSON & KAPPEL, LLC68
121LEWIS ROCA ROTHGERBER CHRISTIE LLP67
121DENTONS LLP67
121COLLARD & ROE, P. C.67
124SHERIDAN ROSS P.C.66
125TAFT STETTININUS & HOLLISTER LLP65
125HAYNES & BOONE, LLP65
127SQUIRE PATTON BOGGS (US) LLP64
127ALLEMAN HALL CREASMAN & TUTTLE LLP64
127ALSTON & BIRD LLP64
130MCCORMICK, PAULDING & HUBER LLP62
130LADAS & PARRY LLP62
130EDELL, SHAPIRO & FINNAN LLC62
133CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC61
133BACON & THOMAS PLLC61
135LOWE GRAHAM JONES PLLC60
135KEATING & BENNETT, LLP60
135BACHMAN & LAPOINTE, P.C.60
138ROSENBERG, KLEIN & LEE59
138COOLEY LLP59
140TRASKBRITT P.C.58
140RUTAN & TUCKER LLP58
140REISING ETHINGTON P.C.58
140CONLEY ROSE, P.C.58
140CALFEE HALTER & GRISWOLD LLP58
145VISTA IP LAW GROUP LLP57
145TROUTMAN SANDERS LLP57
145GLOBAL INTELLECTUAL PROPERTY AGENCY, LLC57
148REINHART BOERNER VAN DEUREN P.C.56
148LUCAS & MERCANTI, LLP56
150PANITCH SCHWARZE BELISARIO & NADEL LLP55
150FISHERBROYLES LLP55
152GROSSMAN, TUCKER, PERREAULT & PFELGER, PLLC54
152BOYLE FREDRICKSON S.C.54
154SCHMEISER, OLSEN & WATTS, LLP53
154PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP53
154PATTERSON, THUENTE, PEDERSEN, P.A.53
154ANDREWS KURTH KENYON LLP53
158CHRISTOPHER & WEISBERG, P.A.52
158CARTER, DELUCA, FARRELL & SCHMIDT, LLP52
160WINSTEAD PC51
160KING & SCHICKLI, PLLC51
160HANLEY FLIGHT & ZIMMERMAN, LLC51
160FAY SHARPE LLP51
164SCULLY, SCOTT, MURPHY & PRESSER, PC50
164SHAY GLENN LLP50
164SHUTTLEWORTH & INGERSOLL, PLC50
164DYKEMA GOSSETT PLLC50