Top Patent Firms 2019 - Chemical and Materials Engineering

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 2019 where the patent firms were listed on the front of the utility patents, and 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.

RankFirm NamePatents
1OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P.1302
2BIRCH STEWART KOLACH & BIRCH, LLP871
3SUGHRUE MION, PLC762
4OLIFF PLC662
5CANTOR COLBURN LLP609
6WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP430
7FOLEY & LARDNER LLP378
8HARNESS, DICKEY & PIERCE P.L.C.354
9KNOBBE MARTENS OLSON & BEAR LLP308
10MORGAN LEWIS & BOCKIUS LLP287
11WENDEROTH, LIND & PONACK, L.L.C.281
12LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP269
12DENTONS LLP269
14FISH & RICHARDSON P.C.250
15FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP244
16BUCHANAN INGERSOLL & ROONEY P.C236
17LEWIS ROCA ROTHGERBER CHRISTIE LLP230
18KILPATRICK TOWNSEND & STOCKTON LLP228
19DRINKER BIDDLE & REATH LLP223
20GREENBLUM & BERNSTEIN P.L.C.218
21PATTERSON & SHERIDAN, LLP.202
22JCIPRNET198
23BAKER & HOSTETLER LLP185
24VENABLE LLP176
25RATNERPRESTIA175
25K&L GATES LLP175
27THE WEBB LAW FIRM174
27DORITY & MANNING, P.A.174
29LEE & MORSE P.C.173
30MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC172
30DICKINSON WRIGHT PLLC172
32NIXON & VANDERHYE P.C.168
33WOMBLE BOND DICKINSON (US) LLP159
33DINSMORE & SHOHL LLP159
35LEYDIG, VOIT & MAYER, LTD156
36MERCHANT & GOULD P.C.153
37LOCKE LORD LLP151
38WOLF, GREENFIELD & SACKS, P.C.149
39MCDERMOTT WILL & EMERY LLP148
39MILLEN WHITE ZELANO & BRANIGAN, P.C.148
39BURR & BROWN, PLLC148
42MUNCY, GEISSLER, OLDS & LOWE P.C.141
42BROOKS KUSHMAN, P.C.141
44NORTON ROSE FULBRIGHT138
45THORPE NORTH & WESTERN LLP134
45STUDEBAKER & BRACKETT PC134
45RANKIN, HILL & CLARK LLP134
48HAUPTMAN HAM LLP132
49BRINKS GILSON & LIONE130
50MICHAEL BEST & FRIEDRICH LLP129
51PEARNE & GORDON LLP128
52MARSHALL, GERSTEIN & BORUN LLP126
53DLA PIPER LLP120
54OSHA LIANG LLP117
54LUCAS & MERCANTI, LLP117
56FITCH, EVEN, TABIN & FLANNERY LLP114
57MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP106
57PILLSBURY WINTHORP SHAW PITTMAN, LLP106
59YOUNG & THOMPSON103
60CROWELL & MORING LLP101
61ARMSTRONG TEASDALE LLP100
62NIXON & PEABODY LLP98
62CARLSON, GAKSEY & OLDS. P.C.98
64SNELL & WILMER L.L.P.97
64HAMRE, SCHUMANN, MUELLER & LARSON, P.C.97
66BAKER BOTTS L.L.P96
67WORKMAN NYDEGGER94
67MCGARRY BAIR PC94
69POLSINELLI LLP92
69GREENBERG TRAURIG LLP92
71SEED INTELLECTUAL PROPERTY LAW GROUP90
71BANNER & WITCOFF, LTD90
73DORSEY & WHITNEY LLP89
73DUANE MORRIS LLP89
73ALSTON & BIRD LLP89
76ROTHWELL, FIGG, ERNST & MANBECK P.C.87
76PANITCH SCHWARZE BELISARIO & NADEL LLP87
76EVERSHEDS SUTHERLAND (US) LLP87
79LORENZ & KOPF LLP86
80NORRIS MCLAUGHLIN P.A.85
81KENJA IP LAW PC84
82MAGINOT MOORE & BECK LLP83
82OSTROLENK FABER LLP83
84NATH GOLDBERG & MEYER81
84GREER BURNS & CRAIN LTD.81
86VOLPE & KOENIG, P.C.80
87THOMAS HORSTEMEYER, LLP79
87MCKEE, VOORHEES & SEASE, PLC79
89LADAS & PARRY LLP78
90PERKINS COIE LLP77
91QUARLES & BRADY LLP76
92SCIENBIZIP, P.C.75
92WEAVER AUSTIN VILLENEUVE & SAMPSON LLP75
92BARNES & THORNBURG LLP75
92BRACEWELL LLP75
96FAY SHARPE LLP74
96CONLEY ROSE, P.C.74
98MEUNIER CARLIN & CURFMAN LLC73
99KED & ASSOCIATES LLP72
99KINNEY & LANGE, P.A.72
99HAYNES & BOONE, LLP72
102WESTMAN CHAMPLIN & KOEHER, P.A.71
102SCHWEGMAN LUNDBERG & WOESSNER, P.A.71
102WILSON SONSINI GOODRICH & ROSATI71
102HUSCH BLACKWELL LLP71
102ABELMAN, FRAYNE & SCHWAB71
107RENNER OTTO BOISSELLE & SKLAR, LLP70
107THE MARBURY LAW GROUP70
109RABIN & BERDO, P.C.68
109ARENT FOX LLP68
111TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P.67
112HONIGMAN MILLER SCHWARTZ & COHN LLP64
112GLOBAL IP COUNCELORS, LLP64
112CLARK & BRODY64
115MYERS BIGEL, P.A.63
116SLATER & MATSIL, LLP62
116YOUNG BASILE HANLON & MACFARLANE, P.C.62
118SCULLY, SCOTT, MURPHY & PRESSER, PC61
118MUETING, RAASCH & GEBHARDT, P.A.61
118LEASON ELLIS LLP61
118CALFEE HALTER & GRISWOLD LLP61
118BLANK ROME LLP61
123MCCARTER & ENGLISH, LLP60
123HUNTON ANDREWS KURTH LLP60
125KLARQUIST SPARKMAN, LLP59
126REISING ETHINGTON P.C.58
127FOX ROTHSCHILD LLP57
128WOOD HERRON & EVANS LLP56
128OHLANDT, GREELEY, RUGGIERO & PERLE, L.L.P.56
130STAAS & HALSEY LLP55
130VORYS, SATER, SEYMOUR & PEASE LLP55
130GROSSMAN, TUCKER, PERREAULT & PFELGER, PLLC55
133PATTERSON, THUENTE, PEDERSEN, P.A.54
133BACHMAN & LAPOINTE, P.C.54
135MCGINN IP LAW GROUP, PLLC53
136TROUTMAN SANDERS LLP52
136KEATING & BENNETT, LLP52
136FLETCHER YODER P.C.52
139SCHWABE, WILLIAMSON & WYATT, P.C.51
139MATTINGLY & MALUR, PC51
139CANON U.S.A. INC. IP DIVISION51
142TRASKBRITT P.C.50
142MCDONALD HOPKINS LLC50

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If you have any questions about the Top Patent Firms 2019 list, or any other patent analytics related questions, feel free to contact:

Rocky Berndsen
Head of Patent Analytics
rberndsen@harrityllp.com

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