| CONSOMO 2207705 · TMA1246460 | MQTI | 18 Leather | Registered | 2024 |
| ConSens 2262431 | Owner not listed | 12 Vehicles40 Treatment42 Science | Pending | 2023 |
| CONSUMERS 1164389 · TMA661177 | Enercare Home and Commercial Services Limited Partnership | 9 Electronics16 Paper35 Advertising+7 | Registered | 2006 |
| CONSUMERS 1140615 · TMA641141 | Enercare Home and Commercial Services Limited Partnership | 35 Advertising36 Finance37 Construction+4 | Registered | 2005 |
| Comsnows 1974966 · TMA1121474 | an individual | 18 Leather | Registered | 2022 |
| Comsoon 2193032 · TMA1234878 | Horizon Technology Inc. | 9 Electronics | Registered | 2024 |
| CANSON 2129375 · TMA1219116 · design | CANSON | 16 Paper | Registered | 2024 |
| CONXION 2099339 · TMA1187425 · design | Acadian Seaplants Limited | 1 Chemicals | Registered | 2023 |
| Conxion 2099338 · TMA1188351 | Acadian Seaplants Limited | 1 Chemicals | Registered | 2023 |
| CONCENS 1697209 · TMA971018 | Owner not shown | 7 Machines9 Electronics35 Advertising | Registered | 2017 |
| CONSONA 1358824 · TMA785328 | Aptean, Inc. | 9 Electronics16 Paper35 Advertising+3 | Registered | 2010 |
| CANSON 0466756 · TMA271890 · design | Owner not shown | 16 Paper19 Building | Registered | 1982 |
| Conscnt 2267650 | an individual | 25 Clothing | Pending | 2023 |
| CENSIMLIS 2044396 · TMA1272167 | Biogen International GmbH | 5 Pharmaceuticals | Registered | 2024 |
| CONSENSUS 1591609 · TMA946437 | LOVELAND PRODUCTS, INC. | 1 Chemicals | Registered | 2016 |
| CONSENSUS 2086129 | Consensus Cloud Solutions International Limited | 35 Advertising38 Telecommunications42 Science | Pending | 2021 |
| CONSENSUS 2086122 · design | Consensus Cloud Solutions International Limited | 35 Advertising38 Telecommunications42 Science | Pending | 2021 |
| CONSENSUS 0900398 | DEPARTMENT OF INDUSTRY, TRADE AND COMMERCE | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1974 |
| chumxiny 2263681 · TMA1284776 | Shanxi Changsou Technology Co. Ltd. | 12 Vehicles | Registered | 2025 |
| ChengHongXing 2259379 · TMA1277901 | an individual | 9 Electronics | Registered | 2024 |
| Camcunoy 2258053 · TMA1276450 | Putian Mouguang Trading Co. Ltd. | 21 Housewares | Registered | 2024 |
| CNXIN 2246982 · TMA1265896 | Owner not listed | 11 Lighting | Registered | 2024 |
| CANSCAN 2246923 · TMA1251633 | Owner not listed | 42 Science44 Medical | Registered | 2024 |
| changxingjia 2245274 · TMA1272757 | Zhuzhou Fanwan E-commerce Co. Ltd | 9 Electronics | Registered | 2024 |
| CANYSON 2243610 · TMA1264273 · design | Fo shan shi Kangyushun E-commerce Co. Ltd | 14 Jewellery | Registered | 2024 |