Approximately 36994 patent applications made available by CIPO in 2021 (82.2% national phase and 17.6% 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 2021. 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 and 2020.
| Rank | Agent | Applications Published | Percentage of total applications | % of applications being PCT | # of applications being PCT |
|---|---|---|---|---|---|
| 1 | SMART & BIGGAR | 5640 | 15.2% | 89.5% | 5047 |
| 2 | GOWLING WLG (CANADA) LLP | 4669 | 12.6% | 89.5% | 4180 |
| 3 | BERESKIN & PARR LLP/S.E.N.C.R.L.,S.R.L. | 2401 | 6.5% | 87.9% | 2111 |
| 4 | ROBIC | 2136 | 5.8% | 84.3% | 1801 |
| 5 | BORDEN LADNER GERVAIS LLP | 2007 | 5.4% | 86.8% | 1742 |
| 6 | NORTON ROSE FULBRIGHT CANADA LLP/S.E.N.C.R.L., S.R.L. | 1988 | 5.4% | 75.9% | 1508 |
| 7 | RIDOUT & MAYBEE LLP | 1911 | 5.2% | 82.9% | 1585 |
| 8 | MARKS & CLERK | 1432 | 3.9% | 82.2% | 1177 |
| 9 | LAVERY, DE BILLY, LLP | 747 | 2.0% | 91.8% | 686 |
| 10 | no agent | 644 | 1.7% | 8.7% | 56 |
| 11 | AIRD & MCBURNEY LP | 623 | 1.7% | 88.3% | 550 |
| 12 | OYEN WIGGS GREEN & MUTALA LLP | 591 | 1.6% | 82.2% | 486 |
| 13 | KIRBY EADES GALE BAKER | 539 | 1.5% | 90.0% | 485 |
| 14 | FASKEN MARTINEAU DUMOULIN LLP | 518 | 1.4% | 84.0% | 435 |
| 15 | MBM INTELLECTUAL PROPERTY LAW LLP | 460 | 1.2% | 88.0% | 405 |
| 16 | OSLER, HOSKIN & HARCOURT LLP | 453 | 1.2% | 84.8% | 384 |
| 17 | TORYS LLP | 450 | 1.2% | 72.0% | 324 |
| 18 | MOFFAT & CO. | 440 | 1.2% | 78.2% | 344 |
| 19 | MACRAE & CO. | 431 | 1.2% | 77.7% | 335 |
| 20 | RICHES, MCKENZIE & HERBERT LLP | 427 | 1.2% | 84.8% | 362 |
| 21 | PERRY + CURRIER | 398 | 1.1% | 83.2% | 331 |
| 22 | CPST INTELLECTUAL PROPERTY INC. | 343 | 0.9% | 85.4% | 293 |
| 23 | ITIP CANADA, INC. | 308 | 0.8% | 90.9% | 280 |
| 24 | FINLAYSON & SINGLEHURST | 295 | 0.8% | 76.3% | 225 |
| 25 | DEETH WILLIAMS WALL LLP | 280 | 0.8% | 86.1% | 241 |
| 26 | BENOIT & COTE INC. | 268 | 0.7% | 88.4% | 237 |
| 27 | PARLEE MCLAWS LLP | 261 | 0.7% | 76.6% | 200 |
| 28 | BCF LLP | 242 | 0.7% | 78.1% | 189 |
| 29 | CASSAN MACLEAN IP AGENCY INC. | 238 | 0.6% | 89.9% | 214 |
| 30 | ADE & COMPANY INC. | 213 | 0.6% | 44.1% | 94 |
| 31 | ROWAND LLP | 208 | 0.6% | 36.1% | 75 |
| 32 | MILTONS IP/P.I. | 197 | 0.5% | 76.1% | 150 |
| 33 | PIASETZKI NENNIGER KVAS LLP | 191 | 0.5% | 71.2% | 136 |
| 34 | AVENTUM IP LAW LLP | 189 | 0.5% | 85.7% | 162 |
| 35 | BENNETT JONES LLP | 186 | 0.5% | 75.3% | 140 |
| 36 | HICKS INTELLECTUAL PROPERTY LAW | 171 | 0.5% | 88.9% | 152 |
| 37 | BRION RAFFOUL | 160 | 0.4% | 93.8% | 150 |
| 38 | STIKEMAN ELLIOTT S.E.N.C.R.L.,SRL/LLP | 146 | 0.4% | 97.9% | 143 |
| 39 | CRAIG WILSON AND COMPANY | 138 | 0.4% | 95.7% | 132 |
| 40 | WILSON LUE LLP | 137 | 0.4% | 86.9% | 119 |
| 41 | MLT AIKINS LLP | 135 | 0.4% | 72.6% | 98 |
| 42 | BLAKE, CASSELS & GRAYDON LLP | 115 | 0.3% | 73.9% | 85 |
| 43 | BRUNET & CO. | 110 | 0.3% | 87.3% | 96 |
| 44 | BROUILLETTE LEGAL INC. | 107 | 0.3% | 73.8% | 79 |
| 45 | ANGLEHART ET AL. | 105 | 0.3% | 93.3% | 98 |
| 46 | INTEGRAL IP | 100 | 0.3% | 85.0% | 85 |
| 47 | NEXUS LAW GROUP LLP | 98 | 0.3% | 55.1% | 54 |
| 48 | HILL & SCHUMACHER | 96 | 0.3% | 75.0% | 72 |
| 49 | C6 PATENT GROUP INCORPORATED, OPERATING AS THE “CARBON PATENT GROUP” | 95 | 0.3% | 92.6% | 88 |
| 50 | BURNET, DUCKWORTH & PALMER LLP | 89 | 0.2% | 60.7% | 54 |
Remaining agents are responsible for 2868 published applications (7.8%).
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.