| COCONARA 1742349 · TMA1009782 | an individual | 4 Oils | Registered | 2018 |
| CUCINORA 1629746 · TMA950961 | AM-CAM ÉLECTROMÉNAGERS INC. | 20 Furniture | Registered | 2016 |
| COCOMIRA 1658689 · TMA915934 | Cocomira Confections Inc. | 30 Coffee | Registered | 2015 |
| COGNERA 1228355 · TMA694778 | COGNERA CORP. | 35 Advertising42 Science45 Legal | Registered | 2007 |
| COSMERNA 2244834 · TMA1263216 | Owner not listed | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| CUISINART 2112343 · TMA1208428 | Conair Consumer Products ULC | 21 Housewares | Registered | 2023 |
| COSHOMER 2110813 · TMA1191930 | an individual | 19 Building | Registered | 2023 |
| CHECKMYHAIR 2077298 · TMA1211700 · design | NVK LIMITED | 44 Medical | Registered | 2023 |
| checkmyhair 2018148 · TMA1113190 | NVK LIMITED | 44 Medical | Registered | 2021 |
| Checkmarx 1985675 · TMA1132013 | CHECKMARX LTD. | 9 Electronics41 Education42 Science | Registered | 2022 |
| CHASMIER 1960599 · TMA1153500 | CooperVision International Limited | 9 Electronics | Registered | 2022 |
| CUSHIONAIRE 1929166 · TMA1122582 | Next Step Group, Inc. | 25 Clothing | Registered | 2022 |
| Cogineer 1890615 · TMA1087833 | EPLAN GmbH & Co. KG | 9 Electronics35 Advertising41 Education+1 | Registered | 2020 |
| COSMOHAIR 1874156 · TMA1047120 | Hearst Communications, Inc. | 6 Metal8 Hand20 Furniture+2 | Registered | 2019 |
| COOKSMART 1854328 · TMA1033034 | Cooksmart.ca Ltd. | 16 Paper41 Education44 Medical | Registered | 2019 |
| CYSIMRA 1851125 · TMA1080488 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2020 |
| CUISINIER 1837542 · TMA1147389 | THE LINEN CHEST (PHASE II) INC./BOUTIQUE LINEN CHEST (PHASE II) INC. | 24 Textiles | Registered | 2022 |
| CUISINIER 1837541 · TMA1019877 · design | THE LINEN CHEST (PHASE II) INC./BOUTIQUE LINEN CHEST (PHASE II) INC. | 24 Textiles | Registered | 2019 |
| CASHMERE 1811639 · TMA1063379 | Kruger Products Inc. | 5 Pharmaceuticals | Registered | 2019 |
| CUISINART 1691049 · TMA1030112 | Conair Consumer Products ULC | 7 Machines11 Lighting21 Housewares+1 | Registered | 2019 |
| CUISINART 1638872 · TMA896784 | Conair Consumer Products ULC | 8 Hand21 Housewares | Registered | 2015 |
| CAUSEMARK 1617213 · TMA901956 | Causemark Incorporated | 35 Advertising36 Finance38 Telecommunications+2 | Registered | 2015 |
| CUISINART 1613133 · TMA927779 | Conair Consumer Products ULC | 7 Machines | Registered | 2016 |
| CUISINART 1612684 · TMA928138 | Conair Consumer Products ULC | 11 Lighting | Registered | 2016 |
| checkMARC 1611345 · TMA871899 | Bluelight Analytics Inc. | 9 Electronics | Registered | 2014 |