Top Patent Firms 2018 - Computer Networks, Multiplex, Cable and Cryptography/Security

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 2400. 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
1BIRCH STEWART KOLACH & BIRCH, LLP559
2OBLON MCCLELLAND, MAIER & NEUSTADT, L.L.P.474
3KILPATRICK TOWNSEND & STOCKTON LLP444
4SCHWEGMAN LUNDBERG & WOESSNER, P.A.435
5SUGHRUE MION, PLC420
6LEE HONG DEGERMAN KANG & WAIMEY404
7FISH & RICHARDSON P.C.372
8KNOBBE MARTENS OLSON & BEAR LLP340
9JEFFERSON IP LAW, LLP311
10DENTONS LLP294
11SLATER & MATSIL, LLP270
12MEYERTONS, HOOD, KIVLIN, KOWERT & GOETZEL, P.C.258
13LEYDIG, VOIT & MAYER, LTD248
13BAKER BOTTS L.L.P248
15SHUMAKER & SIEFFERT, P.A.231
16HARNESS, DICKEY & PIERCE P.L.C.230
17CONLEY ROSE, P.C.229
18HAYNES & BOONE, LLP226
19PATTERSON & SHERIDAN, LLP.225
20BANNER & WITCOFF, LTD223
21SEED INTELLECTUAL PROPERTY LAW GROUP222
22ARENT FOX LLP219
23FOLEY & LARDNER LLP218
24FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER LLP215
25CANTOR COLBURN LLP210
26STAAS & HALSEY LLP208
27SAGE PATENT GROUP198
28THE FARRELL LAW FIRM, P.C195
29HOLLAND & HART LLP190
29GUNTIN & GUST, PLC190
31MORGAN LEWIS & BOCKIUS LLP182
32POLSINELLI LLP181
33WENDEROTH, LIND & PONACK, L.L.C.172
34HALEY GUILIANO LLP171
35MCDERMOTT WILL & EMERY LLP167
35FENWICK & WEST LLP167
37LOWENSTEIN & SANDLER LLP165
38BAKER & HOSTETLER LLP164
39PERKINS COIE LLP163
40NIXON & VANDERHYE P.C.155
41WOMBLE BOND DICKINSON (US) LLP152
42AMIN, TUROCY & WATSON, LLP143
43NICHOLSON DE VOS WEBSTER & ELLIOT LLP142
44DAVIS WRIGHT TREMAINE LLP140
45HANLEY FLIGHT & ZIMMERMAN, LLC138
45ADELI LLP138
45CANON U.S.A. INC. IP DIVISION138
48EDELL, SHAPIRO & FINNAN LLC137
48CHIP LAW GROUP137
50VOLPE & KOENIG, P.C.134
51SHEPPARD, MULLIN, RICHTER & HAMPTON LLP131
52MURPHY, BILAK & HOMILLER, PLLC130
53SCULLY, SCOTT, MURPHY & PRESSER, PC123
54VAN PELT, YI & JAMES LLP120
54MCCLURE, QUALEY & RODACK, LLP120
56HARRITY & HARRITY, LLP117
57THOMAS HORSTEMEYER, LLP116
58BRINKS GILSON & LIONE115
59STERNE KESSLER GOLDSTEIN & FOX P.L.L.C.114
59HARRINGTON & SMITH114
61MERCHANT & GOULD P.C.112
62WORKMAN NYDEGGER111
63FISHERBROYLES LLP109
64OLIFF PLC107
64MCDONNELL BOEHNEN HUBERT & BERGHOFF LLP107
66OSHA LIANG LLP105
67GARLICK & MARKISON104
67COATS & BENNETT, P.L.L.C.104
69LEE & HAYES PLLC103
70GREENBLUM & BERNSTEIN P.L.C.101
71PILLSBURY WINTHORP SHAW PITTMAN, LLP100
72NORTON ROSE FULBRIGHT99
73KLARQUIST SPARKMAN, LLP97
73BARNES & THORNBURG LLP97
73CONDO ROCCIA KOPTIW LLP97
76SCHWABE, WILLIAMSON & WYATT, P.C.94
76RYAN, MASON & LEWIS, LLP94
78MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC93
78HICKMAN PALERMO BECKER BINGHAM LLP93
80STUDEBAKER & BRACKETT PC92
81JCIPRNET90
82ALSTON & BIRD LLP88
83MASCHOFF BRENNAN87
84LERNER, DAVID, LITTENBERG, KRUMHOLZ & MENTLIK, LLP86
84HEWLETT PACKARD ENTERPRISE DEVELOPMENT PATENT DEPARTMENT86
84BLANK ROME LLP86
87PARKER IBRAHIM & BERG LLC85
87MCANDREWS, HELD & MALLOY, LTD.85
87HAMILTON DESANCTIS & CHA, LLP85
90FUJITSU PATENT CENTER84
91ROTHWELL, FIGG, ERNST & MANBECK P.C.82
92YOUNG BASILE HANLON & MACFARLANE, P.C.81
92BUCHANAN INGERSOLL & ROONEY P.C81
94MOORE & VAN ALLEN PLLC80
95WITHROW & TERRANOVA, P.L.L.C.79
95TUCKER ELLIS LLP79
95TOLER LAW GROUP, P.C.79
95NSIP LAW79
95GREENBERG TRAURIG LLP79
100LOCKE LORD LLP78
100HAUPTMAN HAM LLP78
102SCHMEISER, OLSEN & WATTS, LLP77
103THORPE NORTH & WESTERN LLP76
104BRAKE HUGHES BELLERMAN LLP75
105MUNCY, GEISSLER, OLDS & LOWE P.C.74
105KEATING & BENNETT, LLP74
107LORENZ & KOPF LLP73
108IMPERIUM PATENT WORKS72
109WOLF, GREENFIELD & SACKS, P.C.71
109TROP PRUNER & HU, P.C.71
109SQUIRE PATTON BOGGS (US) LLP71
112PATENT CAPITAL GROUP70
112ANOVA LAW GROUP, PLLC70
112BYRNE POH LLP70
115HONIGMAN MILLER SCHWARTZ & COHN LLP68
116WILMER CUTLER PICKERING HALE AND DORR LLP66
117DLA PIPER LLP65
118SHERIDAN ROSS P.C.64
118SHICHRUR & CO.64
118PATENT PORTFOLIO BUILDERS, PLLC64
121IP LEGAL SERVICES, LLC63
122HARTMAN & CITRIN LLC62
122FITZPATRICK, CELLA, HARPER & SCINTO62
122HESLIN ROTHENBERG FARLEY & MESITI P.C.62
125K&L GATES LLP61
126LOZA & LOZA, LLP60
127MARSHALL, GERSTEIN & BORUN LLP59
127MYERS WOLIN LLC59
127BAINWOODHUANG59
127COOLEY LLP59
131WILLIAM PARK & ASSOCIATES LTD.58
131MICHAEL BEST & FRIEDRICH LLP58
133RABIN & BERDO, P.C.57
133D.KLIGLER IP SERVICES LTD.57
135HOGAN LOVELLS US LLP56
135BRUNDIDGE & STANGER, P.C.56
137XSENSUS, LLP55
137SHOOK, HARDY & BACON L.L.P.55
137GAZDZINSKI & ASSOCIATES, PC55
140THE MARBURY LAW GROUP54
140PARK, VAUGHAN, FLEMING & DOWLER LLP54
140MATTINGLY & MALUR, PC54
143WINSTEAD PC53
144PROCOPIO, CORY, HARGREAVES & SAVITCH, LLP52
145PARATUS LAW GROUP, PLLC51
145EVERSHEDS SUTHERLAND (US) LLP51
145CUENOT, FORSYTHE & KIM, LLC51
148ZILKA-KOTAB, P.C.50
148OPPEDAHL PATENT LAW FIRM LLC50
148ARTEGIS LAW GROUP, LLP50
148CLEMENTS BENARD WALKER PLLC50