Approximately 35492 patent applications published in 2009 (76.1% national phase, 22.8% direct filed, 1.1% 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 2009. 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 | 6935 | 19.5% | 86.9% | 6029 |
| 2 | GOWLING LAFLEUR HENDERSON LLP | 3491 | 9.8% | 79.6% | 2780 |
| 3 | NORTON ROSE CANADA S.E.N.C.R.L.,S.R.L./LLP | 2420 | 6.8% | 80.1% | 1939 |
| 4 | BORDEN LADNER GERVAIS LLP | 2186 | 6.2% | 79.5% | 1737 |
| 5 | RIDOUT & MAYBEE LLP | 1717 | 4.8% | 74.7% | 1283 |
| 6 | BERESKIN & PARR | 1508 | 4.2% | 81.1% | 1223 |
| 7 | ROBIC | 1381 | 3.9% | 82.5% | 1139 |
| 8 | SIM & MCBURNEY | 1173 | 3.3% | 81.2% | 952 |
| 9 | MARKS & CLERK | 1051 | 3.0% | 82.4% | 866 |
| 10 | GOUDREAU GAGE DUBUC | 840 | 2.4% | 70.0% | 588 |
| 11 | no agent | 811 | 2.3% | 6.9% | 56 |
| 12 | KIRBY EADES GALE BAKER | 811 | 2.3% | 84.7% | 687 |
| 13 | MACRAE & CO. | 649 | 1.8% | 60.1% | 390 |
| 14 | RICHES, MCKENZIE & HERBERT LLP | 645 | 1.8% | 82.9% | 535 |
| 15 | MCFADDEN, FINCHAM | 539 | 1.5% | 49.9% | 269 |
| 16 | OYEN WIGGS GREEN & MUTALA LLP | 517 | 1.5% | 80.1% | 414 |
| 17 | MBM | 494 | 1.4% | 88.1% | 435 |
| 18 | TORYS LLP | 456 | 1.3% | 97.4% | 444 |
| 19 | OSLER, HOSKIN & HARCOURT LLP | 442 | 1.2% | 88.9% | 393 |
| 20 | FINLAYSON & SINGLEHURST | 434 | 1.2% | 62.9% | 273 |
| 21 | CASSAN MACLEAN | 425 | 1.2% | 88.7% | 377 |
| 22 | BLAKE, CASSELS & GRAYDON LLP | 413 | 1.2% | 75.3% | 311 |
| 23 | MOFFAT & CO. | 364 | 1.0% | 76.1% | 277 |
| 24 | CRAIG WILSON AND COMPANY | 312 | 0.9% | 37.2% | 116 |
| 25 | DIMOCK STRATTON LLP | 288 | 0.8% | 80.2% | 231 |
| 26 | BCF LLP | 245 | 0.7% | 80.8% | 198 |
| 27 | FASKEN MARTINEAU DUMOULIN LLP | 218 | 0.6% | 81.2% | 177 |
| 28 | SHAPIRO COHEN | 218 | 0.6% | 72.0% | 157 |
| 29 | MCCARTHY TETRAULT LLP | 211 | 0.6% | 82.5% | 174 |
| 30 | BATTISON WILLIAMS DUPUIS | 205 | 0.6% | 34.1% | 70 |
| 31 | DEETH WILLIAMS WALL LLP | 188 | 0.5% | 74.5% | 140 |
| 32 | PERRY + CURRIER | 180 | 0.5% | 55.6% | 100 |
| 33 | BENNETT JONES LLP | 143 | 0.4% | 53.1% | 76 |
| 34 | MACPHERSON LESLIE & TYERMAN LLP | 138 | 0.4% | 46.4% | 64 |
| 35 | DENNISON ASSOCIATES | 133 | 0.4% | 47.4% | 63 |
| 36 | INTEGRAL IP | 108 | 0.3% | 89.8% | 97 |
| 37 | G. RONALD BELL & ASSOCIATES | 106 | 0.3% | 67.9% | 72 |
| 38 | STIKEMAN ELLIOTT LLP | 106 | 0.3% | 74.5% | 79 |
| 39 | BROUILLETTE & ASSOCIES/PARTNERS | 96 | 0.3% | 44.8% | 43 |
| 40 | PIASETZKI & NENNIGER LLP | 92 | 0.3% | 76.1% | 70 |
| 41 | NICOLAESCU, SAWYER | 79 | 0.2% | 94.9% | 75 |
| 42 | GOODWIN MCKAY | 78 | 0.2% | 42.3% | 33 |
| 43 | HEENAN BLAIKIE LLP | 78 | 0.2% | 62.8% | 49 |
| 44 | WANG, PETER | 74 | 0.2% | 55.4% | 41 |
| 45 | HILL & SCHUMACHER | 72 | 0.2% | 84.7% | 61 |
| 46 | BENOIT & COTE,S.E.N.C. | 72 | 0.2% | 98.6% | 71 |
| 47 | BRANDT, KERSTIN B. | 69 | 0.2% | 78.3% | 54 |
| 48 | LANG MICHENER LLP | 68 | 0.2% | 70.6% | 48 |
| 49 | HUSKY INTELLECTUAL PROPERTY SERVICES | 67 | 0.2% | 80.6% | 54 |
| 50 | CAMERON IP | 66 | 0.2% | 75.8% | 50 |
Remaining agents are responsible for 2080 published applications (5.9%).
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.