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
Fox Rothschild LLP
Minneapolis, MN · Lead class 41
31,711
filings
52 · Solid
13
Riches, McKenzie & Herbert LLP
Toronto, ON · Lead class 9
29,280
filings
55 · Solid
14
Acapo Onsagers
Bergen, NO · Lead class 43
27,921
filings
53 · Solid
15
Dorsey & Whitney LLP
Denver, CO · Lead class 35
27,019
filings
57 · Solid
16
Amica Law LLC
Singapore, SG · Lead class 9
24,613
filings
54 · Solid
17
Wrays
Perth, AU · Lead class 35
23,061
filings
59 · Solid
18
Brann AB
Stockholm, SE · Lead class 9
22,131
filings
52 · Solid
19
Oyen Wiggs Green & Mutala LLP
Vancouver, BC · Lead class 3
17,412
filings
53 · Solid
20
Spruson & Ferguson
Singapore, SG · Lead class 35
16,999
filings
56 · Solid
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
Mallesons
Perth, AU · Lead class 33
9,725
filings
51 · Solid
33
CPST Intellectual Property
Toronto, ON · Lead class 9
9,437
filings
45 · Developing
34
Thomson Geer
Adelaide, AU · Lead class 35
9,391
filings
60 · Solid
35
Clayton Utz
Canberra, AU · Lead class 9
8,912
filings
59 · Solid
36
Norsk Patentbyrå AS
Oslo, NO · Lead class 35
8,813
filings
52 · Solid
37
Coastal Trademark Services
Vancouver, BC · Lead class 9
8,451
filings
52 · Solid
38
Bird & Bird LLP
Hamburg, DE · Lead class 9
8,195
filings
51 · Solid
39
Bennett Jones LLP
Edmonton, AB · Lead class 9
7,999
filings
62 · Solid
40
MLT Aikins LLP
Edmonton, AB · Lead class 30
7,457
filings
51 · Solid
41
King & Spalding LLP
Geneva, CH · Lead class 9
6,946
filings
52 · Solid
42
Warner Norcross + Judd LLP
Detroit, MI · Lead class 25
6,945
filings
45 · Developing
43
Maxwells Patent and Trade Mark Attorneys
Sydney, AU · Lead class 9
6,715
filings
52 · Solid
44
FBT Gibbons LLP
Nashville, TN · Lead class 41
6,565
filings
58 · Solid
45
Miller Thomson LLP
Calgary, AB · Lead class 42
6,276
filings
49 · Developing
46
Stikeman Elliott
Vancouver, BC · Lead class 9
5,891
filings
61 · Solid
47
Halfords IP
Sydney, AU · Lead class 6
5,729
filings
58 · Solid
48
Jones Day
Detroit, MI · Lead class 42
5,641
filings
30 · Developing
49
AWA Benelux / Brussels
Brussels, BE · Lead class 9
5,393
filings
51 · Solid
50
WongPartnership LLP
Singapore, SG · Lead class 9
5,391
filings
50 · Solid
51
Piasetzki Nenniger Kvas LLP
Toronto, ON · Lead class 5
4,949
filings
56 · Solid
52
Williams Mullen
Raleigh, NC · Lead class 5
4,885
filings
43 · Developing
53
YUSARN AUDREY LLC
Singapore, SG · Lead class 9
4,816
filings
58 · Solid
54
Foster Garvey PC
Seattle, WA · Lead class 35
4,804
filings
60 · Solid
55
Cain Lamarre
Quebec City, QC · Lead class 9
4,186
filings
64 · Solid
56
Fillmore Riley LLP
Winnipeg, MB · Lead class 35
4,143
filings
60 · Solid
57
Rajah & Tann Singapore LLP
Singapore, SG · Lead class 43
3,897
filings
58 · Solid
58
Wenderoth Lind & Ponack
Washington, DC, DC · Lead class 30
3,840
filings
54 · Solid
59
Global Intellects
Singapore, SG · Lead class 43
3,674
filings
53 · Solid
60
Volpe Koenig
Philadelphia, PA · Lead class 9
3,482
filings
52 · 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.