Approximately 35210 patent applications published in 2011 (76.2% national phase, 23.2% direct filed, 0.5% divisionals).
The following table is a list of the top 50 agents by volume of patent applications published or entered national phase in Canada in 2011. 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 and 2014.
| Rank | Agent | Applications Published | Percentage of total applications | % of applications being PCT | # of applications being PCT |
|---|---|---|---|---|---|
| 1 | SMART & BIGGAR/FETHERSTONHAUGH & CO | 6606 | 18.8% | 86.4% | 5705 |
| 2 | GOWLING LAFLEUR HENDERSON LLP | 3390 | 9.6% | 82.3% | 2789 |
| 3 | NORTON ROSE CANADA S.E.N.C.R.L.,S.R.L./LLP | 2337 | 6.6% | 79.0% | 1846 |
| 4 | BORDEN LADNER GERVAIS LLP | 2295 | 6.5% | 85.4% | 1960 |
| 5 | RIDOUT & MAYBEE LLP | 1867 | 5.3% | 71.1% | 1327 |
| 6 | BERESKIN & PARR | 1705 | 4.8% | 83.6% | 1426 |
| 7 | ROBIC | 1386 | 3.9% | 82.9% | 1149 |
| 8 | SIM & MCBURNEY | 1234 | 3.5% | 77.4% | 955 |
| 9 | MARKS & CLERK | 1060 | 3.0% | 81.8% | 867 |
| 10 | GOUDREAU GAGE DUBUC | 859 | 2.4% | 86.3% | 741 |
| 11 | no agent | 742 | 2.1% | 6.2% | 46 |
| 12 | KIRBY EADES GALE BAKER | 721 | 2.0% | 85.6% | 617 |
| 13 | RICHES, MCKENZIE & HERBERT LLP | 607 | 1.7% | 77.1% | 468 |
| 14 | TORYS LLP | 592 | 1.7% | 83.1% | 492 |
| 15 | MACRAE & CO. | 534 | 1.5% | 66.5% | 355 |
| 16 | MCFADDEN, FINCHAM | 503 | 1.4% | 34.0% | 171 |
| 17 | OYEN WIGGS GREEN & MUTALA LLP | 498 | 1.4% | 77.9% | 388 |
| 18 | MBM | 472 | 1.3% | 89.6% | 423 |
| 19 | CRAIG WILSON AND COMPANY | 431 | 1.2% | 40.4% | 174 |
| 20 | OSLER, HOSKIN & HARCOURT LLP | 383 | 1.1% | 91.1% | 349 |
| 21 | MOFFAT & CO. | 370 | 1.1% | 75.9% | 281 |
| 22 | BLAKE, CASSELS & GRAYDON LLP | 355 | 1.0% | 73.8% | 262 |
| 23 | FINLAYSON & SINGLEHURST | 333 | 0.9% | 72.1% | 240 |
| 24 | DIMOCK STRATTON LLP | 313 | 0.9% | 80.5% | 252 |
| 25 | CASSAN MACLEAN | 311 | 0.9% | 90.4% | 281 |
| 26 | FASKEN MARTINEAU DUMOULIN LLP | 296 | 0.8% | 78.0% | 231 |
| 27 | PERRY + CURRIER | 250 | 0.7% | 48.8% | 122 |
| 28 | SHAPIRO COHEN | 214 | 0.6% | 68.2% | 146 |
| 29 | DEETH WILLIAMS WALL LLP | 206 | 0.6% | 79.6% | 164 |
| 30 | MCCARTHY TETRAULT LLP | 164 | 0.5% | 72.6% | 119 |
| 31 | BCF LLP | 154 | 0.4% | 79.2% | 122 |
| 32 | BENOIT & COTE, ASSOCIES INC. | 141 | 0.4% | 83.7% | 118 |
| 33 | MCMILLAN LLP | 139 | 0.4% | 65.5% | 91 |
| 34 | BATTISON WILLIAMS DUPUIS | 132 | 0.4% | 29.5% | 39 |
| 35 | BENNETT JONES LLP | 130 | 0.4% | 64.6% | 84 |
| 36 | MACPHERSON LESLIE & TYERMAN LLP | 129 | 0.4% | 62.8% | 81 |
| 37 | DENNISON ASSOCIATES | 126 | 0.4% | 48.4% | 61 |
| 38 | ADE & COMPANY INC. | 116 | 0.3% | 21.6% | 25 |
| 39 | PERLEY-ROBERTSON, HILL & MCDOUGALL LLP | 115 | 0.3% | 69.6% | 80 |
| 40 | INTEGRAL IP | 102 | 0.3% | 85.3% | 87 |
| 41 | G. RONALD BELL & ASSOCIATES | 97 | 0.3% | 74.2% | 72 |
| 42 | HEENAN BLAIKIE LLP | 92 | 0.3% | 64.1% | 59 |
| 43 | CAMERON IP | 86 | 0.2% | 84.9% | 73 |
| 44 | WANG, PETER | 79 | 0.2% | 54.4% | 43 |
| 45 | FREEDMAN & ASSOCIATES | 78 | 0.2% | 71.8% | 56 |
| 46 | HILL & SCHUMACHER | 70 | 0.2% | 78.6% | 55 |
| 47 | ERICSSON CANADA PATENT GROUP | 66 | 0.2% | 98.5% | 65 |
| 48 | BROUILLETTE & ASSOCIES/PARTNERS | 65 | 0.2% | 67.7% | 44 |
| 49 | GOWAN INTELLECTUAL PROPERTY | 61 | 0.2% | 67.2% | 41 |
| 50 | SMITHS IP | 60 | 0.2% | 70.0% | 42 |
Remaining agents are responsible for 2138 published applications (6.1%).
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.