Most active trademark firms

Ranked by the trademark filings each firm has on record at official IP offices, the US, EU, Australia, Canada and more. A transparent measure of practice volume, shown alongside the Councl Score, not folded into it.

1
Smart & Biggar
Vancouver, BC · Lead class 28
261,326
filings
51 · Solid
2
Gowling WLG
Calgary, AB · Lead class 5
185,931
filings
48 · Developing
3
Spruson & Ferguson
Brisbane, AU · Lead class 9
160,632
filings
62 · Solid
4
Griffith Hack
Brisbane, AU · Lead class 9
94,700
filings
52 · Solid
5
Borden Ladner Gervais LLP
Ottawa, ON · Lead class 30
63,411
filings
46 · Developing
6
Bryn Aarflot AS
Oslo, NO · Lead class 9
58,547
filings
67 · Solid
7
Phillips Ormonde Fitzpatrick
Sydney, AU · Lead class 35
54,727
filings
54 · Solid
8
Osler, Hoskin & Harcourt LLP
Ottawa, ON · Lead class 25
38,944
filings
56 · Solid
9
Marks & Clerk
Ottawa, ON · Lead class 9
37,659
filings
52 · Solid
10
Barnes & Thornburg LLP
Nashville, TN · Lead class 42
32,693
filings
52 · Solid
11
FB Rice
Brisbane, AU · Lead class 9
31,872
filings
52 · Solid
12
Riches, McKenzie & Herbert LLP
Toronto, ON · Lead class 9
29,280
filings
55 · Solid
13
Acapo Onsagers AS
Oslo, NO · Lead class 43
27,921
filings
48 · Developing
14
Dorsey & Whitney LLP
Denver, CO · Lead class 35
27,019
filings
57 · Solid
15
Amica Law LLC
Singapore, SG · Lead class 9
24,613
filings
54 · Solid
16
Wrays
Perth, AU · Lead class 35
23,061
filings
48 · Developing
17
BRANN AB
Gothenburg, SE · Lead class 10
22,131
filings
48 · Developing
18
Oyen Wiggs Green & Mutala LLP
Vancouver, BC · Lead class 3
17,412
filings
53 · Solid
19
Spruson & Ferguson
Singapore, SG · Lead class 35
16,999
filings
56 · Solid
20
Marks & Clerk Singapore LLP
Singapore, SG · Lead class 42
16,861
filings
48 · Developing
21
Deeth Williams Wall LLP
Toronto, ON · Lead class 42
15,126
filings
52 · Solid
22
Madderns
Adelaide, AU · Lead class 9
14,872
filings
55 · Solid
23
Collison & Co
Adelaide, AU · Lead class 16
14,509
filings
55 · Solid
24
mirandah asia (singapore) pte ltd
Singapore, SG · Lead class 35
14,442
filings
55 · Solid
25
MacRae & Co.
Ottawa, ON · Lead class 9
13,538
filings
48 · Developing
26
Ella Cheong LLC
Singapore, SG · Lead class 5
13,322
filings
54 · Solid
27
Bradley Arant Boult Cummings LLP
Charlotte, NC · Lead class 9
13,316
filings
52 · Solid
28
Buchanan Ingersoll & Rooney PC
Pittsburgh, PA · Lead class 33
13,174
filings
43 · Developing
29
McMillan LLP
Vancouver, BC · Lead class 9
10,850
filings
58 · Solid
30
Clark Wilson LLP
Vancouver, BC · Lead class 42
10,322
filings
53 · Solid
31
Perley-Robertson, Hill & McDougall LLP/s.r.l.
Ottawa, ON · Lead class 9
10,257
filings
59 · Solid
32
Ehrner & Delmar Patentbyrå AB
Stockholm, SE · Lead class 41
9,858
filings
48 · Developing
33
Mallesons
Perth, AU · Lead class 33
9,725
filings
51 · Solid
34
CPST Intellectual Property
Toronto, ON · Lead class 9
9,437
filings
45 · Developing
35
Thomson Geer
Adelaide, AU · Lead class 35
9,391
filings
60 · Solid
36
Clayton Utz
Canberra, AU · Lead class 9
8,912
filings
59 · Solid
37
Norsk Patentbyrå AS
Oslo, NO · Lead class 35
8,813
filings
52 · Solid
38
Hslegal LLP
Singapore, SG · Lead class 1
8,510
filings
48 · Developing
39
Coastal Trademark Services
Vancouver, BC · Lead class 9
8,451
filings
52 · Solid
40
AWA Norway
Oslo, NO · Lead class 35
8,254
filings
48 · Developing
41
Bird & Bird LLP
Hamburg, DE · Lead class 9
8,195
filings
51 · Solid
42
Bennett Jones LLP
Edmonton, AB · Lead class 9
7,999
filings
62 · Solid
43
MLT Aikins LLP
Edmonton, AB · Lead class 30
7,457
filings
51 · Solid
44
DLA Piper (Canada) LLP
Montreal, QC · Lead class 9
7,214
filings
48 · Developing
45
Cassan Maclean IP Agency Inc.
Ottawa, ON · Lead class 9
7,004
filings
48 · Developing
46
Wilson Lue LLP
Toronto, ON · Lead class 9
6,927
filings
48 · Developing
47
Maxwells Patent and Trade Mark Attorneys
Sydney, AU · Lead class 9
6,715
filings
52 · Solid
48
Miller Thomson LLP
Calgary, AB · Lead class 42
6,276
filings
49 · Developing
49
Stikeman Elliott
Vancouver, BC · Lead class 9
5,891
filings
61 · Solid
50
Halfords IP
Sydney, AU · Lead class 6
5,729
filings
58 · Solid
51
Jones Day
Detroit, MI · Lead class 42
5,641
filings
30 · Developing
52
WongPartnership LLP
Singapore, SG · Lead class 9
5,391
filings
50 · Solid
53
Piasetzki Nenniger Kvas LLP
Toronto, ON · Lead class 5
4,949
filings
56 · Solid
54
Williams Mullen
Raleigh, NC · Lead class 5
4,885
filings
43 · Developing
55
YUSARN AUDREY LLC
Singapore, SG · Lead class 9
4,816
filings
58 · Solid
56
Finlayson & Singlehurst
Ottawa, ON · Lead class 20
4,203
filings
48 · Developing
57
Cain Lamarre
Quebec City, QC · Lead class 9
4,186
filings
64 · Solid
58
Fillmore Riley LLP
Winnipeg, MB · Lead class 35
4,143
filings
60 · Solid
59
James & Wells Intellectual Property
Melbourne, AU · Lead class 9
4,115
filings
48 · Developing
60
Rajah & Tann Singapore LLP
Singapore, SG · Lead class 43
3,897
filings
58 · Solid

Filing counts come from public trademark-office records via Councl’s data partners. Coverage is strongest in the US, EU, Australia and Canada, and expanding. A firm with no count is not yet matched, not inactive.