| COMMONPLACE 2280457 | Lukes Drug Stores Ltd. | 3 Cosmetics | Pending | 2023 |
| COMMONPLACE 2055538 | Commonplace Inc. | 4 Oils6 Metal8 Hand+13 | Pending | 2020 |
| COMMUNIVET 2159915 · TMA1271058 · design | an individual | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2024 |
| CommuniBee 1945162 · TMA1195081 | Launch57 Inc. | 36 Finance38 Telecommunications41 Education+1 | Registered | 2023 |
| COMMONFUND 1229409 · TMA699541 | Owner not shown | 9 Electronics16 Paper35 Advertising+3 | Registered | 2007 |
| CHEMOMAB 2170205 · TMA1199294 | Chemomab Therapeutics Ltd. | 5 Pharmaceuticals42 Science | Registered | 2023 |
| CannonBOWL 1827257 · TMA1005376 | PROSLIDE TECHNOLOGY INC. | 28 Toys | Registered | 2018 |
| COMMUNIFI 1745868 · TMA1049880 | Teranet Inc. | 35 Advertising36 Finance45 Legal | Registered | 2019 |
| COMENPLAY 1734444 · TMA964588 | BREAKAWAY ONLINE INC. | 3 Cosmetics5 Pharmaceuticals6 Metal+13 | Registered | 2017 |
| Cannonball 500 1729147 · TMA957395 | an individual | 41 Education | Registered | 2016 |
| CANNONBLAST 1692885 · TMA1030973 | Diageo Canada Inc. | 33 Wine | Registered | 2019 |
| CANNONBALL 1607346 · TMA869576 | SHARE A SPLASH WINE CO. LLC. | 33 Wine | Registered | 2014 |
| Cannonball 1546125 · TMA834879 | REUNION ISLAND COFFEE LIMITED | 30 Coffee | Registered | 2012 |
| CINEMAFRAME 1516229 · TMA838331 | Millson Custom Solutions Inc. | 6 Metal9 Electronics20 Furniture | Registered | 2012 |
| CINÉMABOX 1470347 · TMA837341 · design | an individual | 35 Advertising38 Telecommunications41 Education | Registered | 2012 |
| CINEMABOX 1470346 · TMA827476 | an individual | 35 Advertising38 Telecommunications41 Education | Registered | 2012 |
| CHEMINOVA 1415738 · TMA809321 | Owner not shown | 5 Pharmaceuticals | Registered | 2011 |
| CONINVERS 1409650 · TMA761437 | CONINVERS GmbH | 9 Electronics | Registered | 2010 |
| CANNONBALL 1313884 · TMA708107 | Cannonball Musical Instruments, LLC | 15 Musical | Registered | 2008 |
| CANNONBALL 1217477 · TMA711884 | an individual | 5 Pharmaceuticals | Registered | 2008 |
| CINEMAFILTER 1186571 · TMA667528 · design | an individual | 9 Electronics | Registered | 2006 |
| CHEMINEEFLEX 0828980 · TMA488280 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 6 Metal | Registered | 1998 |
| CANYONVIEW 2088406 | Elysia Vineyard Ltd. | 31 Fresh33 Wine36 Finance+4 | Pending | 2021 |
| CanImpactNet 0926407 | MCMASTER UNIVERSITY | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2020 |
| COMMUNIBUS 0908991 | OTTAWA-CARLETON REGIONAL TRANSIT COMMISSION | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1997 |