Approximately 34952 patent applications published in 2010 (77.9% national phase, 0.3% divisionals). The following table is a list of the top 50 agents by volume of applications published in 2010.
| Rank | Agent | Applications Published | Percentage of total applications | % of applications being PCT | # of applications being PCT |
|---|---|---|---|---|---|
| 1 | SMART & BIGGAR | 4796 | 13.7% | 86.3% | 4137 |
| 2 | GOWLING LAFLEUR HENDERSON LLP | 3535 | 10.1% | 83.2% | 2941 |
| 3 | OGILVY RENAULT LLP/S.E.N.C.R.L.,S.R.L. | 2357 | 6.7% | 80.8% | 1905 |
| 4 | BORDEN LADNER GERVAIS LLP | 2168 | 6.2% | 81.9% | 1775 |
| 5 | FETHERSTONHAUGH & CO. | 1983 | 5.7% | 91.1% | 1807 |
| 6 | RIDOUT & MAYBEE LLP | 1660 | 4.7% | 73.1% | 1213 |
| 7 | BERESKIN & PARR | 1652 | 4.7% | 79.7% | 1316 |
| 8 | ROBIC | 1398 | 4.0% | 86.8% | 1213 |
| 9 | SIM & MCBURNEY | 1228 | 3.5% | 78.3% | 962 |
| 10 | MARKS & CLERK | 1033 | 3.0% | 84.3% | 871 |
| 11 | KIRBY EADES GALE BAKER | 785 | 2.2% | 87.1% | 684 |
| 12 | GOUDREAU GAGE DUBUC | 741 | 2.1% | 87.9% | 651 |
| 13 | no agent | 677 | 1.9% | 6.8% | 46 |
| 14 | RICHES, MCKENZIE & HERBERT LLP | 584 | 1.7% | 82.4% | 481 |
| 15 | MCFADDEN, FINCHAM | 537 | 1.5% | 40.2% | 216 |
| 16 | MACRAE & CO. | 516 | 1.5% | 68.2% | 352 |
| 17 | TORYS LLP | 468 | 1.3% | 96.6% | 452 |
| 18 | CRAIG WILSON AND COMPANY | 451 | 1.3% | 44.1% | 199 |
| 19 | OYEN WIGGS GREEN & MUTALA LLP | 447 | 1.3% | 81.4% | 364 |
| 20 | MBM | 421 | 1.2% | 93.8% | 395 |
| 21 | OSLER, HOSKIN & HARCOURT LLP | 412 | 1.2% | 89.8% | 370 |
| 22 | FINLAYSON & SINGLEHURST | 382 | 1.1% | 68.3% | 261 |
| 23 | CASSAN MACLEAN | 345 | 1.0% | 89.6% | 309 |
| 24 | BLAKE, CASSELS & GRAYDON LLP | 342 | 1.0% | 72.2% | 247 |
| 25 | MOFFAT & CO. | 322 | 0.9% | 78.3% | 252 |
| 26 | DIMOCK STRATTON LLP | 260 | 0.7% | 71.9% | 187 |
| 27 | BATTISON WILLIAMS DUPUIS | 253 | 0.7% | 35.2% | 89 |
| 28 | FASKEN MARTINEAU DUMOULIN LLP | 250 | 0.7% | 81.6% | 204 |
| 29 | BCF LLP | 249 | 0.7% | 79.1% | 197 |
| 30 | PERRY + CURRIER | 232 | 0.7% | 61.2% | 142 |
| 31 | DEETH WILLIAMS WALL LLP | 228 | 0.7% | 79.4% | 181 |
| 32 | SHAPIRO COHEN | 204 | 0.6% | 71.1% | 145 |
| 33 | MCCARTHY TETRAULT LLP | 181 | 0.5% | 82.9% | 150 |
| 34 | MACPHERSON LESLIE & TYERMAN LLP | 158 | 0.5% | 72.2% | 114 |
| 35 | BENNETT JONES LLP | 133 | 0.4% | 64.7% | 86 |
| 36 | BENOIT & COTE,S.E.N.C. | 118 | 0.3% | 89.8% | 106 |
| 37 | HEENAN BLAIKIE LLP | 113 | 0.3% | 80.5% | 91 |
| 38 | DENNISON ASSOCIATES | 112 | 0.3% | 31.2% | 35 |
| 39 | INTEGRAL IP | 106 | 0.3% | 89.6% | 95 |
| 40 | G. RONALD BELL & ASSOCIATES | 95 | 0.3% | 74.7% | 71 |
| 41 | WANG, PETER | 90 | 0.3% | 52.2% | 47 |
| 42 | STIKEMAN ELLIOTT LLP | 88 | 0.3% | 77.3% | 68 |
| 43 | LANG MICHENER LLP | 79 | 0.2% | 62.0% | 49 |
| 44 | HILL & SCHUMACHER | 77 | 0.2% | 77.9% | 60 |
| 45 | BROUILLETTE & ASSOCIES/PARTNERS | 71 | 0.2% | 64.8% | 46 |
| 46 | THOMPSON, DOUGLAS B. | 67 | 0.2% | 11.9% | 8 |
| 47 | MILTONS IP/P.I. | 67 | 0.2% | 44.8% | 30 |
| 48 | NICOLAESCU, SAWYER | 67 | 0.2% | 98.5% | 66 |
| 49 | CAMERON IP | 66 | 0.2% | 66.7% | 44 |
| 50 | PERLEY-ROBERTSON, HILL & MCDOUGALL LLP | 65 | 0.2% | 81.5% | 53 |
Remaining agents are responsible for 2283 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.