Approximately 41131 patent applications published in 2007 (75.2% national phase, 0.9% divisionals). The following table is a list of the top 50 agents by volume of applications published in 2007.
| Rank | Agent | Applications Published | Percentage of total applications | % of applications being PCT | # of applications being PCT |
|---|---|---|---|---|---|
| 1 | SMART & BIGGAR | 5446 | 13.2% | 83.6% | 4554 |
| 2 | GOWLING LAFLEUR HENDERSON LLP | 4118 | 10.0% | 82.0% | 3377 |
| 3 | OGILVY RENAULT LLP/S.E.N.C.R.L.,S.R.L. | 3161 | 7.7% | 74.3% | 2349 |
| 4 | FETHERSTONHAUGH & CO. | 2672 | 6.5% | 88.2% | 2356 |
| 5 | BORDEN LADNER GERVAIS LLP | 2647 | 6.4% | 78.3% | 2072 |
| 6 | RIDOUT & MAYBEE LLP | 1835 | 4.5% | 76.2% | 1399 |
| 7 | BERESKIN & PARR | 1719 | 4.2% | 78.4% | 1347 |
| 8 | SIM & MCBURNEY | 1586 | 3.9% | 72.3% | 1146 |
| 9 | ROBIC | 1556 | 3.8% | 81.3% | 1265 |
| 10 | KIRBY EADES GALE BAKER | 1195 | 2.9% | 79.3% | 948 |
| 11 | MARKS & CLERK | 1082 | 2.6% | 83.6% | 905 |
| 12 | GOUDREAU GAGE DUBUC | 880 | 2.1% | 68.6% | 604 |
| 13 | no agent | 778 | 1.9% | 5.7% | 44 |
| 14 | MACRAE & CO. | 737 | 1.8% | 66.1% | 487 |
| 15 | RICHES, MCKENZIE & HERBERT LLP | 713 | 1.7% | 73.1% | 521 |
| 16 | OSLER, HOSKIN & HARCOURT LLP | 615 | 1.5% | 86.8% | 534 |
| 17 | MBM | 585 | 1.4% | 90.3% | 528 |
| 18 | OYEN WIGGS GREEN & MUTALA LLP | 582 | 1.4% | 74.2% | 432 |
| 19 | MCFADDEN, FINCHAM | 552 | 1.3% | 56.9% | 314 |
| 20 | FINLAYSON & SINGLEHURST | 538 | 1.3% | 66.4% | 357 |
| 21 | TORYS LLP | 505 | 1.2% | 93.3% | 471 |
| 22 | BLAKE, CASSELS & GRAYDON LLP | 456 | 1.1% | 71.9% | 328 |
| 23 | CASSAN MACLEAN | 444 | 1.1% | 84.5% | 375 |
| 24 | MOFFAT & CO. | 398 | 1.0% | 72.9% | 290 |
| 25 | MCCARTHY TETRAULT LLP | 373 | 0.9% | 78.0% | 291 |
| 26 | DIMOCK STRATTON LLP | 364 | 0.9% | 81.0% | 295 |
| 27 | CRAIG WILSON AND COMPANY | 329 | 0.8% | 33.1% | 109 |
| 28 | BCF LLP | 301 | 0.7% | 82.7% | 249 |
| 29 | DEETH WILLIAMS WALL LLP | 260 | 0.6% | 65.0% | 169 |
| 30 | BATTISON WILLIAMS DUPUIS | 249 | 0.6% | 36.1% | 90 |
| 31 | FURMAN & KALLIO | 232 | 0.6% | 62.9% | 146 |
| 32 | BENNETT JONES LLP | 218 | 0.5% | 69.3% | 151 |
| 33 | DENNISON ASSOCIATES | 185 | 0.4% | 49.2% | 91 |
| 34 | SHAPIRO COHEN | 166 | 0.4% | 65.7% | 109 |
| 35 | G. RONALD BELL & ASSOCIATES | 136 | 0.3% | 73.5% | 100 |
| 36 | HEENAN BLAIKIE LLP | 125 | 0.3% | 96.0% | 120 |
| 37 | PERRY + CURRIER | 125 | 0.3% | 59.2% | 74 |
| 38 | PIASETZKI & NENNIGER LLP | 120 | 0.3% | 80.8% | 97 |
| 39 | FASKEN MARTINEAU DUMOULIN LLP | 116 | 0.3% | 59.5% | 69 |
| 40 | THOMPSON, DOUGLAS B. | 100 | 0.2% | 11.0% | 11 |
| 41 | TEITELBAUM & MACLEAN | 93 | 0.2% | 73.1% | 68 |
| 42 | BARRIGAR INTELLECTUAL PROPERTY LAW | 90 | 0.2% | 86.7% | 78 |
| 43 | PERLEY-ROBERTSON, HILL & MCDOUGALL LLP | 84 | 0.2% | 65.5% | 55 |
| 44 | INTEGRAL IP | 83 | 0.2% | 78.3% | 65 |
| 45 | GOODWIN MCKAY | 81 | 0.2% | 28.4% | 23 |
| 46 | WANG, PETER | 75 | 0.2% | 69.3% | 52 |
| 47 | STIKEMAN ELLIOTT LLP | 70 | 0.2% | 77.1% | 54 |
| 48 | HICKS & ASSOCIATES | 62 | 0.2% | 77.4% | 48 |
| 49 | HILL & SCHUMACHER | 60 | 0.1% | 81.7% | 49 |
| 50 | BULL, HOUSSER & TUPPER LLP | 59 | 0.1% | 84.7% | 50 |
Remaining agents are responsible for 2175 published applications (5.3%).
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.