IFI CLAIMS 2011 Top 50 US Patent Law Firms

The rankings of the top US Patent Law firms for 2011 were compiled using data from the US Patent and Trademark Office (USPTO). The patent counts are for US utility patents granted in 2011 grouped by the patent attorney or agent on file at the USPTO. IFI uses a rigorous name standardization process to improve the accuracy of the data and distributes the resulting content to our partners and clients.

Rank Firm US Grants
1
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
5,613
2
Sughrue Mion, PLLC
3,389
3
Birch, Stewart, Kolasch & Birch, LLP
3,020
4
Oliff & Berridge, PLC
2,787
5
Harness, Dickey & Pierce, P.L.C.
2,390
6
Fish & Richardson P.C.
2,159
7
Finnegan, Henderson, Farabow, Garrett & Dunner LLP
2,089
8
Knobbe Martens Olson & Bear LLP
1,967
9
Cantor Colburn LLP
1,820
10
McDermott Will & Emery LLP
1,816
11
Nixon & Vanderhye P.C.
1,811
12
Fitzpatrick, Cella, Harper & Scinto
1,797
13
Kilpatrick Townsend & Stockton LLP
1,669
14
Foley & Lardner LLP
1,550
15
Blakely, Sokoloff, Taylor & Zafman LLP
1,418
16
Brinks Hofer Gilson & Lione
1,248
17
Buchanan Ingersoll & Rooney PC
1,195
18
Schwegman, Lundberg & Woessner, P.A.
1,180
19
Dickinson Wright PLLC
1,141
20
Antonelli, Terry, Stout & Kraus, LLP.
1,096
21
Staas & Halsey LLP
1,063
22
Baker Botts L.L.P.
971
23
Morgan, Lewis & Bockius LLP
965
24
Kenyon & Kenyon LLP
934
25
Scully, Scott, Murphy & Presser, P.C.
919
26
Merchant & Gould P.C.
909
27
Banner & Witcoff, Ltd.
878
28
Patterson & Sheridan, LLP
859
29
Greenblum & Bernstein, P.L.C.
848
30
K&L Gates LLP
841
31
Ladas & Parry LLP
833
32
Brady, III, Wade J.
813
33
Altis Law Group, Inc.
803
34
Bacon & Thomas, PLLC
775
35
Myers Bigel Sibley & Sajovec, P.A.
749
36
Sterne, Kessler, Goldstein & Fox P.L.L.C.
737
37
McAndrews, Held & Malloy, Ltd.
720
38
Perkins Coie LLP
690
39
Morrison & Foerster LLP
688
40
Pillsbury Winthrop Shaw Pittman LLP
686
41
Lerner, David, Littenberg, Krumholz & Mentlik, LLP
677
42
DLA Piper LLP (US)
675
43
Edwards Angell Palmer & Dodge LLP
672
44
SNR Denton US LLP
664
45
McGinn IP Law Group, PLLC
655
46
Leydig, Voit & Mayer, Ltd.
651
47
Alston & Bird LLP
650
48
Muncy, Geissler, Olds & Lowe, PLLC
646
49
Canon U.S.A., Inc. I.P. Division
639
50
Osha * Liang LLP
633