Patent Agents by Volume for 2023

Approximately 35771 patent applications made available by CIPO in 2023 (82.9% national phase and 17.0% direct filed).

The following table is a list of the top 50 agents by volume of patent applications published or entered national phase in Canada in 2023. The actual applications may have been filed much earlier.

Please let me know of any errors or inconsistencies.

See similar lists for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 and 2022.

Rank Agent Applications Published Percentage of total applications % of applications being PCT # of applications being PCT
1 SMART & BIGGAR 6656 18.6% 87.8% 5847
2 GOWLING WLG (CANADA) LLP 4430 12.4% 89.7% 3975
3 BERESKIN & PARR 2579 7.2% 89.3% 2304
4 ROBIC 2472 6.9% 85.6% 2117
5 NORTON ROSE FULBRIGHT CANADA LLP/S.E.N.C.R.L., S.R.L. 1919 5.4% 72.6% 1393
6 BORDEN LADNER GERVAIS LLP 1804 5.0% 86.5% 1561
7 MARKS & CLERK 1354 3.8% 84.0% 1138
8 AIRD & MCBURNEY LP 792 2.2% 90.3% 715
9 LAVERY, DE BILLY, LLP 637 1.8% 87.6% 558
10 MBM INTELLECTUAL PROPERTY AGENCY 614 1.7% 88.3% 542
11 OYEN WIGGS GREEN & MUTALA LLP 595 1.7% 82.4% 490
12 KIRBY EADES GALE BAKER 554 1.5% 92.2% 511
13 PERRY + CURRIER 497 1.4% 86.3% 429
14 FASKEN MARTINEAU DUMOULIN LLP 476 1.3% 87.6% 417
15 CPST INTELLECTUAL PROPERTY INC. 462 1.3% 85.5% 395
16 MACRAE & CO. 454 1.3% 78.2% 355
17 OSLER, HOSKIN & HARCOURT LLP 415 1.2% 77.6% 322
18 TORYS LLP 410 1.1% 68.0% 279
19 no agent 407 1.1% 15.7% 64
20 RICHES, MCKENZIE & HERBERT LLP 390 1.1% 84.4% 329
21 ITIP CANADA, INC. 389 1.1% 79.7% 310
22 MOFFAT & CO. 382 1.1% 75.1% 287
23 DEETH WILLIAMS WALL LLP 331 0.9% 84.9% 281
24 BENOIT & COTE INC. 309 0.9% 90.0% 278
25 BCF LLP 286 0.8% 82.9% 237
26 PIASETZKI NENNIGER KVAS LLP 262 0.7% 83.2% 218
27 CASSAN MACLEAN IP AGENCY INC. 224 0.6% 88.4% 198
28 RIDOUT & MAYBEE LLP 220 0.6% 87.3% 192
29 FINLAYSON & SINGLEHURST 213 0.6% 61.5% 131
30 PARLEE MCLAWS LLP 210 0.6% 87.1% 183
31 ADE & COMPANY INC. 203 0.6% 48.8% 99
32 ROWAND LLP 196 0.5% 38.8% 76
33 AVENTUM IP LAW LLP 185 0.5% 88.1% 163
34 BENNETT JONES LLP 180 0.5% 85.6% 154
35 STIKEMAN ELLIOTT S.E.N.C.R.L.,SRL/LLP 172 0.5% 94.2% 162
36 MILTONS IP/P.I. 158 0.4% 82.9% 131
37 WILSON LUE LLP 153 0.4% 80.4% 123
38 FIELD LLP 137 0.4% 91.2% 125
39 BRUNET & CO. 133 0.4% 88.0% 117
40 BRION RAFFOUL 120 0.3% 66.7% 80
41 BURNET, DUCKWORTH & PALMER LLP 118 0.3% 77.1% 91
42 MLT AIKINS LLP 116 0.3% 62.9% 73
43 ALTITUDE IP 107 0.3% 87.9% 94
44 HINTON, JAMES W. 96 0.3% 35.4% 34
45 DEL VECCHIO, ORIN 95 0.3% 4.2% 4
46 CRAIG WILSON AND COMPANY 93 0.3% 94.6% 88
47 INTEGRAL IP 92 0.3% 92.4% 85
48 NELLIGAN O’BRIEN PAYNE LLP 90 0.3% 77.8% 70
49 MERIZZI RAMSBOTTOM & FORSTER 87 0.2% 73.6% 64
50 BLAKE, CASSELS & GRAYDON LLP 87 0.2% 89.7% 78

Remaining agents are responsible for 2410 published applications (6.7%).

All numbers are approximate. Firms are listed as they appear on CIPO’s tombstone pages for individual patents/patent applications. Applications filed under the name of an individual agent are not included within the total for a firm. Click on a column heading to sort.

Canadian Intellectual Property