Approximately 35271 patent applications published in 2012 (76.3% national phase, 23.4% direct filed, 0.3% 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 2012. 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 | 6364 | 18.0% | 85.6% | 5449 |
| 2 | GOWLING LAFLEUR HENDERSON LLP | 3457 | 9.8% | 80.1% | 2770 |
| 3 | BORDEN LADNER GERVAIS LLP | 2401 | 6.8% | 84.4% | 2026 |
| 4 | NORTON ROSE CANADA S.E.N.C.R.L.,S.R.L./LLP | 2113 | 6.0% | 81.5% | 1722 |
| 5 | RIDOUT & MAYBEE LLP | 1985 | 5.6% | 68.5% | 1360 |
| 6 | BERESKIN & PARR | 1670 | 4.7% | 83.4% | 1393 |
| 7 | ROBIC | 1380 | 3.9% | 85.3% | 1177 |
| 8 | SIM & MCBURNEY | 1273 | 3.6% | 79.7% | 1015 |
| 9 | MARKS & CLERK | 1177 | 3.3% | 84.0% | 989 |
| 10 | GOUDREAU GAGE DUBUC | 855 | 2.4% | 87.4% | 747 |
| 11 | KIRBY EADES GALE BAKER | 781 | 2.2% | 87.7% | 685 |
| 12 | no agent | 685 | 1.9% | 6.6% | 45 |
| 13 | OYEN WIGGS GREEN & MUTALA LLP | 585 | 1.7% | 77.8% | 455 |
| 14 | RICHES, MCKENZIE & HERBERT LLP | 584 | 1.7% | 72.8% | 425 |
| 15 | CRAIG WILSON AND COMPANY | 528 | 1.5% | 26.1% | 138 |
| 16 | MACRAE & CO. | 514 | 1.5% | 67.9% | 349 |
| 17 | MBM | 483 | 1.4% | 85.1% | 411 |
| 18 | TORYS LLP | 445 | 1.3% | 88.3% | 393 |
| 19 | OSLER, HOSKIN & HARCOURT LLP | 431 | 1.2% | 83.1% | 358 |
| 20 | BLAKE, CASSELS & GRAYDON LLP | 395 | 1.1% | 73.9% | 292 |
| 21 | MCFADDEN, FINCHAM | 388 | 1.1% | 38.7% | 150 |
| 22 | DIMOCK STRATTON LLP | 366 | 1.0% | 74.0% | 271 |
| 23 | MOFFAT & CO. | 336 | 1.0% | 77.7% | 261 |
| 24 | FINLAYSON & SINGLEHURST | 333 | 0.9% | 69.4% | 231 |
| 25 | CASSAN MACLEAN | 298 | 0.8% | 93.3% | 278 |
| 26 | PERRY + CURRIER | 262 | 0.7% | 50.0% | 131 |
| 27 | DEETH WILLIAMS WALL LLP | 257 | 0.7% | 77.0% | 198 |
| 28 | FASKEN MARTINEAU DUMOULIN LLP | 241 | 0.7% | 76.3% | 184 |
| 29 | ADE & COMPANY INC. | 224 | 0.6% | 35.3% | 79 |
| 30 | BENNETT JONES LLP | 166 | 0.5% | 68.7% | 114 |
| 31 | SHAPIRO COHEN | 163 | 0.5% | 82.2% | 134 |
| 32 | BENOIT & COTE, ASSOCIES INC. | 146 | 0.4% | 87.7% | 128 |
| 33 | MACPHERSON LESLIE & TYERMAN LLP | 126 | 0.4% | 54.8% | 69 |
| 34 | HEENAN BLAIKIE LLP | 124 | 0.4% | 62.1% | 77 |
| 35 | INTEGRAL IP | 122 | 0.3% | 86.1% | 105 |
| 36 | PERLEY-ROBERTSON, HILL & MCDOUGALL LLP | 121 | 0.3% | 71.9% | 87 |
| 37 | CAMERON IP | 119 | 0.3% | 72.3% | 86 |
| 38 | MCCARTHY TETRAULT LLP | 106 | 0.3% | 67.9% | 72 |
| 39 | G. RONALD BELL & ASSOCIATES | 97 | 0.3% | 80.4% | 78 |
| 40 | GOODWIN MCKAY | 96 | 0.3% | 33.3% | 32 |
| 41 | BCF LLP | 96 | 0.3% | 83.3% | 80 |
| 42 | BROUILLETTE & ASSOCIES/PARTNERS | 89 | 0.3% | 67.4% | 60 |
| 43 | DENNISON ASSOCIATES | 85 | 0.2% | 62.4% | 53 |
| 44 | EQUINOX | 80 | 0.2% | 75.0% | 60 |
| 45 | R. WILLIAM WRAY & ASSOCIATES | 78 | 0.2% | 70.5% | 55 |
| 46 | HILL & SCHUMACHER | 76 | 0.2% | 81.6% | 62 |
| 47 | MILTONS IP/P.I. | 75 | 0.2% | 57.3% | 43 |
| 48 | ERICSSON CANADA PATENT GROUP | 71 | 0.2% | 100.0% | 71 |
| 49 | PIASETZKI NENNIGER KVAS LLP | 70 | 0.2% | 72.9% | 51 |
| 50 | MCMILLAN LLP | 70 | 0.2% | 62.9% | 44 |
Remaining agents are responsible for 2284 published applications (6.5%).
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.