| CORESEARCH 1608357 · TMA884958 · design | an individual | 3 Cosmetics5 Pharmaceuticals35 Advertising | Registered | 2014 |
| Curecure 2131628 · TMA1193799 | Shenzhen Yiyouyi Tech. Co. Ltd. | 11 Lighting | Registered | 2023 |
| CERECORE 1948065 · TMA1178437 | C/HCA, Inc. | 35 Advertising37 Construction42 Science | Registered | 2023 |
| CORESHORTS 1947010 · TMA1132493 | Coretection Products Ltd. | 25 Clothing | Registered | 2022 |
| CARESHARE 1499435 · TMA813839 | TELUS Corporation | 35 Advertising42 Science44 Medical | Registered | 2011 |
| CORESHORTS 1094595 · TMA574080 | Coretection Products Ltd. | 10 Medical | Registered | 2003 |
| CURACORO 2314425 · TMA1278021 | 11177753 Canada Corporation | 3 Cosmetics35 Advertising | Registered | 2024 |
| CRAZYROPE 2252765 · TMA1271494 | Fantu Shengke (Changzhou) Sporting Goods Technology Co. Ltd. | 28 Toys | Registered | 2024 |
| CERACORE 2252741 · TMA1282983 | DREW BRADY & CO. LIMITED | 25 Clothing | Registered | 2025 |
| Cargair 2243498 · TMA1282941 | CARGAIR LTEE | 41 Education | Registered | 2025 |
| CHARZORG 2243160 · TMA1251619 | Owner not listed | 1 Chemicals | Registered | 2024 |
| CRESCERA 2227513 · TMA1252692 | BASF Agricultural Solutions Canola US LLC | 1 Chemicals31 Fresh | Registered | 2024 |
| CREGEAR 2216320 · TMA1249749 · design | Shenzhen omeida E-commerce Ltd. | 16 Paper | Registered | 2024 |
| CROSSERY 2213897 · TMA1244330 | Adventure & Tackle Outfitters LLC | 9 Electronics28 Toys | Registered | 2024 |
| Cyrusher 2179930 · TMA1230169 | Shenzhen Cyrusher Technology Co. Ltd. | 12 Vehicles | Registered | 2024 |
| CherryGrow 2169428 · TMA1214595 | TerraLink Horticulture Inc. | 1 Chemicals | Registered | 2023 |
| COURSER 2157412 · TMA1205405 | Courser International Limited | 25 Clothing | Registered | 2023 |
| CIRCORED 2156430 · TMA1241078 | an individual | 7 Machines11 Lighting40 Treatment+1 | Registered | 2024 |
| CHARGER 2133998 · TMA1175983 | an individual | 7 Machines | Registered | 2023 |
| CERESER 2128068 · TMA1223680 | an individual | 19 Building | Registered | 2024 |
| CRUIZR 2126834 · TMA1233288 | Owner not shown | 10 Medical | Registered | 2024 |
| CROWSWORN 2110333 · TMA1179261 | Mongoose Rodeo Inc. | 9 Electronics | Registered | 2023 |
| CurisRx 2108889 · TMA1177765 | COSTELLO INVESTMENTS INC. | 35 Advertising44 Medical | Registered | 2023 |
| CORSAIR 2106020 · TMA1207336 | WestRock Shared Services, LLC, a legal entity | 7 Machines | Registered | 2023 |
| CHOREOGRAPH 2099281 · TMA1221152 | an individual | 9 Electronics35 Advertising | Registered | 2024 |