| Coold 2264825 · TMA1283451 | Vancouver Community Garden Builders Inc. | 11 Lighting25 Clothing | Registered | 2025 |
| CLED 2082141 · TMA1184840 · design | an individual | 14 Jewellery | Registered | 2023 |
| CLED 2003569 · TMA1127194 | an individual | 14 Jewellery | Registered | 2022 |
| COLET 1652545 · TMA896423 | ID Technology (Canada) Corp. | 40 Treatment | Registered | 2015 |
| CLED 1486073 · TMA821412 | RAB LIGHTING INC. | 11 Lighting | Registered | 2012 |
| COLLET 1440577 · TMA806050 | an individual | 33 Wine | Registered | 2011 |
| CO2LD 1351413 · TMA723152 · design | S.A. ARMSTRONG LIMITED | 11 Lighting | Registered | 2008 |
| Cileday 2167804 · TMA1213533 | Shenzhen Huoshi Network Technology Co. Ltd. | 28 Toys | Registered | 2023 |
| CELLAED 2085418 · TMA1227720 · design | CellAED Life Saver Pty Ltd | 10 Medical | Registered | 2024 |
| CellAED 1936447 · TMA1146241 | CellAED Life Saver Pty Ltd | 10 Medical | Registered | 2022 |
| COILITE 1909624 · TMA1089076 | Zippo Manufacturing Company | 34 Tobacco | Registered | 2020 |
| COOLADA 1417258 · TMA804486 | Victoria's Secret Stores Brand Management, LLC | 3 Cosmetics | Registered | 2011 |
| CHALET 2310186 · TMA1257139 | Delta Faucet Company | 11 Lighting | Registered | 2024 |
| COLT 2286925 · TMA1281571 | Colt's Manufacturing IP Holding Company LLC | 13 Firearms | Registered | 2025 |
| COLT 2286920 · TMDA56264 · design | an individual | 6 Metal7 Machines9 Electronics+2 | Registered | 1933 |
| COLT 2286919 · TMDA56264 · design | Colt's Manufacturing IP Holding Company LLC | 13 Firearms | Registered | 1933 |
| CGLTD 2255029 · TMA1279177 · design | Custom Gaskets Ltd. | 6 Metal7 Machines16 Paper+3 | Registered | 2024 |
| Cloud7 2237046 · TMA1253108 | Cloud7 GmbH | 18 Leather20 Furniture | Registered | 2024 |
| Caliwood 2214740 · TMA1246593 | an individual | 25 Clothing35 Advertising | Registered | 2024 |
| Coolhut 2166261 · TMA1213438 | Ningbo Cishi Trading Co. Ltd. | 9 Electronics | Registered | 2023 |
| CULTI 2165837 · TMA1249598 · design | an individual | 3 Cosmetics4 Oils5 Pharmaceuticals | Registered | 2024 |
| CLOUD 2161882 · TMA1249579 | Smarter Homes Ltd. | 35 Advertising36 Finance37 Construction | Registered | 2024 |
| CGSULIT 2150085 · TMA1217293 | Shenzhen Changguang Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| CALÉIDO 2138419 · TMA1179541 · design | M.S.TRADING Company Limited | 25 Clothing | Registered | 2023 |
| CULTO 2124173 · TMA1184255 | Groupe Spear Motion Inc. | 34 Tobacco | Registered | 2023 |