Top Patent Firms 2018 - Semiconductors, Electrical and Optical Systems and Components

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 in technology center 2800. 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.1776
2CANTOR COLBURN LLP1145
3SUGHRUE MION, PLC1108
4SLATER & MATSIL, LLP1107
5HARNESS, DICKEY & PIERCE P.L.C.1106
6OLIFF PLC1040
7MCDERMOTT WILL & EMERY LLP900
8FISH & RICHARDSON P.C.757
9BIRCH STEWART KOLACH & BIRCH, LLP738
10MUNCY, GEISSLER, OLDS & LOWE P.C.676
11JCIPRNET647
12FITZPATRICK, CELLA, HARPER & SCINTO569
13PATTERSON & SHERIDAN, LLP.552
14KILPATRICK TOWNSEND & STOCKTON LLP530
15KNOBBE MARTENS OLSON & BEAR LLP529
16HAYNES & BOONE, LLP525
17FOLEY & LARDNER LLP513
18KEATING & BENNETT, LLP494
19STUDEBAKER & BRACKETT PC450
20MCCLURE, QUALEY & RODACK, LLP408
21CANON U.S.A. INC. IP DIVISION406
22SCULLY, SCOTT, MURPHY & PRESSER, PC400
23TUTUNJIAN & BITETTO, P.C.371
23SEED INTELLECTUAL PROPERTY LAW GROUP371
25SCHWEGMAN LUNDBERG & WOESSNER, P.A.368
26MERCHANT & GOULD P.C.354
27MICHAEL BEST & FRIEDRICH LLP348
28BANNER & WITCOFF, LTD347
29RABIN & BERDO, P.C.337
30MORGAN LEWIS & BOCKIUS LLP333
31PERKINS COIE LLP330
32HAUPTMAN HAM LLP315
33WORKMAN NYDEGGER311
34FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP309
35VOLPE & KOENIG, P.C.301
36WPAT, P.C., INTELLECTUAL PROPERTY ATTORNEYS300
37F. CHAU & ASSOCIATES, LLC292
38NORTON ROSE FULBRIGHT288
39MYERS BIGEL, P.A.282
39GREENBLUM & BERNSTEIN P.L.C.282
41MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC276
42LEE & MORSE P.C.268
43SCHWABE, WILLIAMSON & WYATT, P.C.267
44WOLF, GREENFIELD & SACKS, P.C.265
45MURPHY, BILAK & HOMILLER, PLLC261
46BROOKS KUSHMAN, P.C.260
47NSIP LAW257
47LEWIS ROCA ROTHGERBER CHRISTIE LLP257
47ESCHWEILER & POLASHNIK, LLC257
47BRINKS GILSON & LIONE257
51WILLIAM PARK & ASSOCIATES LTD.256
51LOCKE LORD LLP256
53BUCHANAN INGERSOLL & ROONEY P.C253
54ROBERTS MLOTKOSKI SAFRAN COLE & CALDERON, P.C.252
55K&L GATES LLP250
56MASCHOFF BRENNAN249
56CROWELL & MORING LLP249
58WOMBLE BOND DICKINSON (US) LLP248
58LADAS & PARRY LLP248
60WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP246
60HP INC. PATENT DEPARTMENT246
62H. C. PARK & ASSOCIATES, PLC245
63SCIENBIZIP, P.C.242
64IP & T GROUP LLP241
65PEARNE & GORDON LLP240
65NIXON & VANDERHYE P.C.240
67HOLTZ, HOLTZ & VOLEK PC239
68GE GLOBAL PATENT OPERATION231
68CKC & PARTNERS CO., LTD.231
70FENWICK & WEST LLP210
70ARENT FOX LLP210
72ANOVA LAW GROUP, PLLC209
73PILLSBURY WINTHORP SHAW PITTMAN, LLP208
74ROBINSON INTELLECTUAL PROPERTY LAW OFFICE204
75MCGINN IP LAW GROUP, PLLC201
76WITHROW & TERRANOVA, P.L.L.C.198
76INNOVATION COUNSEL LLP198
78DORSEY & WHITNEY LLP195
79OSHA LIANG LLP193
80HAMRE, SCHUMANN, MUELLER & LARSON, P.C.192
81AMIN, TUROCY & WATSON, LLP187
82RENNER OTTO BOISSELLE & SKLAR, LLP186
82POSZ LAW GROUP, PLC186
84WENDEROTH, LIND & PONACK, L.L.C.183
85SHAPIRO, GABOR AND ROSENBERGER, PLLC178
85NIXON & PEABODY LLP178
87YOUNG & THOMPSON176
88TYPHA IP LLC174
88DENTONS LLP174
90SCHIFF HARDIN LLP170
91DRINKER BIDDLE & REATH LLP168
92SHERIDAN ROSS P.C.166
93MUIR PATENT LAW, PLLC161
93MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP161
93DORITY & MANNING, P.A.161
96NATH GOLDBERG & MEYER160
97WESTMAN CHAMPLIN & KOEHER, P.A.155
97VIERING, JENTSCHURA & PARTNER MBB155
99LI & CAI INTELLECTUAL PROPERTY (USA) OFFICE150
100STERNE KESSLER GOLDSTEIN & FOX P.L.L.C.149
101TAFT STETTININUS & HOLLISTER LLP147
102KENEALY VAIDYA LLP146
103BAKER & HOSTETLER LLP145
104STAAS & HALSEY LLP144
104HESLIN ROTHENBERG FARLEY & MESITI P.C.144
106SHUMAKER & SIEFFERT, P.A.143
107MCANDREWS, HELD & MALLOY, LTD.142
108ROSSI, KIMMS & MCDOWELL LLP140
108LEYDIG, VOIT & MAYER, LTD140
110HOFFMAN WARNICK LLC139
111KED & ASSOCIATES LLP134
111DINSMORE & SHOHL LLP134
113SALIWANCHIK, LLOYD & EISENSCHENK132
114FLETCHER YODER P.C.131
115MAGINOT MOORE & BECK LLP130
116WELLS ST. JOHN P.S.129
116BACON & THOMAS PLLC129
118TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P.128
118VOLENTINE, WHITT & FRANCOS, PLLC128
118MATTINGLY & MALUR, PC128
118CHIP LAW GROUP128
122QUARLES & BRADY LLP127
122RANKIN, HILL & CLARK LLP127
124TRASKBRITT P.C.125
125RATNERPRESTIA124
125LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP124
125BAKER BOTTS L.L.P124
128HUSCH BLACKWELL LLP123
129PRICE HENEVELD LLP122
130DICKE, BILLIG & CJAZA, PLLC121
131IPRO, PLLC120
132TREYZ LAW GROUP, P.C.118
132KINNEY & LANGE, P.A.118
132LEMPIA SUMMERFIELD KATZ LLC118
135BROOKS CAMERON & HUEBSCH PLLC117
136DALY, CROWLEY MOFFORD & DURKEE, LLP116
136CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC116
138IPUSA, PLLC113
138ALSTON & BIRD LLP113
140PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP111
140FUJITSU PATENT CENTER111
140ALLEMAN HALL CREASMAN & TUTTLE LLP111
143DLA PIPER LLP110
144THE WEBB LAW FIRM108
144GREER BURNS & CRAIN LTD.108
146POLSINELLI LLP107
146COOPER & DUNHAM LLP107
148MEYERTONS, HOOD, KIVLIN, KOWERT & GOETZEL, P.C.106
148MORI & WARD, LLP106
148CONLEY ROSE, P.C.106
151ARMSTRONG TEASDALE LLP104
151CHEN YOSHIMURA LLP104
153BLANK ROME LLP103
154DITTHAVONG & STEINER, P.C.102
155WARD AND SMITH, P.A.101
155HUNTON ANDREWS KURTH LLP101
157HOLLAND & HART LLP100
158THE MARBURY LAW GROUP99
159CROWE & DUNLEVY, P.C.98
160LUCAS & MERCANTI, LLP95
160LORENZ & KOPF LLP95
162WEAVER AUSTIN VILLENEUVE & SAMPSON LLP94
162RYAN, MASON & LEWIS, LLP94
162JONES DAY94
162COLLARD & ROE, P. C.94
166ROSENBERG, KLEIN & LEE93
166SAILE ACKERMAN LLC93
166DUANE MORRIS LLP93
169THOMAS HORSTEMEYER, LLP91
170VIERRA MAGEN MARCUS LLP90
170SNELL & WILMER L.L.P.90
170DICKINSON WRIGHT PLLC90
170AMERSON LAW FIRM, PLLC90
174MCCOY RUSSELL LLP89
174LANDO & ANASTASI, LLP89
176COZEN O'CONNOR88
176BARNES & THORNBURG LLP88
178CARTER, DELUCA, FARRELL & SCHMIDT, LLP87
179VENABLE LLP85
179SCHMEISER, OLSEN & WATTS, LLP85
179REISING ETHINGTON P.C.85
179CALFEE HALTER & GRISWOLD LLP85
183JEFFERSON IP LAW, LLP84
183J.C. PATENTS84
185SLAYDEN GRUBERT BEARD PLLC83
185KIRTON MCCONKIE, PC83
185KLARQUIST SPARKMAN, LLP83
188KRATZ, QUINTOS & HANSON, LLP82
189MARSHALL, GERSTEIN & BORUN LLP81
189EDELL, SHAPIRO & FINNAN LLC81
191MORRISON & FOERSTER LLP79
192RENAISSANCE IP LAW GROUP, LLP78
193METROLEXIS LAW GROUP, PLLC77
193COOPER LEGAL GROUP LLC77
193ECKERT SEAMANS CHERIN & MELLOTT, LLC77
196STEIN IP, LLC76
196BROWNSTEIN HYATT FARBER SCHRECK, LLP76
198HONIGMAN MILLER SCHWARTZ & COHN LLP75
198FAY SHARPE LLP75
200COOLEY LLP74
201KING & SPALDING LLP71
202BARLEY SNYDER70
203JACKSON WALKER L.L.P.69
203GARDERE WYNNE SEWELL LLP69
205THOMPSON HINE LLP68
205LATHROP & GAGE L.L.P.68
205BOYLE FREDRICKSON S.C.68
208HARRINGTON & SMITH67
208FITCH, EVEN, TABIN & FLANNERY LLP67
208BURR & BROWN, PLLC67
211LOZA & LOZA, LLP66
212THE FARRELL LAW FIRM, P.C65
212SUITER SWANTZ PC LLO65
212MARTINE PENILLA GROUP, LLP65
212GLOBAL IP COUNCELORS, LLP65
212HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT65
217QUINN IP LAW64
217SEYFARTH SHAW LLP64
217JAQUEZ LAND GREENHAUS LLP64
217ADDITON, HIGGINS & PENDLETON, P.A.64
221FISHERBROYLES LLP63
222OSTROLENK FABER LLP62
222LEE & HAYES PLLC62
222HARRITY & HARRITY, LLP62
222GREEN, HOWARD & MUGHAL LLP62
222EVERSHEDS SUTHERLAND (US) LLP62
227SQUIRE PATTON BOGGS (US) LLP61
227KUNZIER LAW GROUP61
227HENRY M. FEIEREISEN LLC61
227FAEGRE BAKER DANIELS LLP61
231COMPASS IP LAW60
232HOVEY WILLIAMS LLP59
233SHUMAKER, LOOP & KENDRICK, LLP58
233HODGSON RUSS LLP58
235MAIER & MAIER, PLLC57
235FREDRIKSON & BYRON, P.A.57
235ALG INTELLECTUAL PROPERTY, LLC57
238WILMER CUTLER PICKERING HALE AND DORR LLP56
238HDLS IPR SERVICES56
238HANLEY FLIGHT & ZIMMERMAN, LLC56
241PANITCH SCHWARZE BELISARIO & NADEL LLP54
241KAMRATH IP LAWFIRM, P.A.54
241HOWARD & HOWARD ATTORNEYS PLLC54
241FLEIT GIBBONS GUTMAN BONGINI & BIANCO P.L.54
245LEASON ELLIS LLP53
245GIBB & RILEY, LLC53
245HAYES SOLOWAY P.C.53
245CARLSON, GAKSEY & OLDS. P.C.53
245ATKINS AND ASSOCIATES, P.C.53
245ANDREWS KURTH KENYON LLP53
251KUSNER & JAFFE52
252TOLER LAW GROUP, P.C.51
252WHITE & CASE LLP51
252THORPE NORTH & WESTERN LLP51
252PATTERSON, THUENTE, PEDERSEN, P.A.51
252HOFFMANN & BARON, LLP51
252BRAKE HUGHES BELLERMAN LLP51
258WOOD HERRON & EVANS LLP50
258DUFT BORNSEN & FETTIG LLP50