| CONSONANCE 1266556 · TMA679202 | KOHLER CO. a corporation organized and existing under the laws of the State of Wisconsin | 11 Lighting | Registered | 2007 |
| CONEXXENCE 2265486 | Owner not listed | 5 Pharmaceuticals | Pending | 2023 |
| CONSCIENTIOUS 1854012 · TMA1065202 · design | TAIWAN RIWAY CO. LTD. a legal entity | 3 Cosmetics | Registered | 2019 |
| CENSHINE 2077366 · TMA1269625 | Owner not shown | 9 Electronics35 Advertising42 Science+1 | Registered | 2024 |
| CONCENS 1697209 · TMA971018 | Owner not shown | 7 Machines9 Electronics35 Advertising | Registered | 2017 |
| CONSENZA 1514131 · TMA869946 | PureFood QoLp B.V. (a company organized and existing under the laws of the kingdom of the Netherlands) | 5 Pharmaceuticals29 Meat30 Coffee+1 | Registered | 2014 |
| COMSENSE 1270809 · TMA669835 | COMSENSE INC. | 9 Electronics41 Education42 Science | Registered | 2006 |
| Conscnt 2267650 | an individual | 25 Clothing | Pending | 2023 |
| ConSens 2262431 | Owner not listed | 12 Vehicles40 Treatment42 Science | Pending | 2023 |
| CONSINIA 2225390 | an individual | 1 Chemicals5 Pharmaceuticals | Pending | 2022 |
| CONSONENZ 2098704 | an individual | 1 Chemicals5 Pharmaceuticals31 Fresh | Pending | 2021 |
| ConsumerNet 1520956 · TMA835878 | ATLAS TRAILER COACH PRODUCTS LTD. | 7 Machines8 Hand9 Electronics+16 | Registered | 2012 |
| CONCENTRACE 1413313 · TMA819599 | Mineral Resources International, Inc. | 5 Pharmaceuticals | Registered | 2012 |
| CONSUMERNET 2113876 · design | ATLAS TRAILER COACH PRODUCTS LTD. | 35 Advertising | Pending | 2021 |
| 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 |
| CNSUNWAY 2230355 · TMA1253917 | an individual | 11 Lighting28 Toys | Registered | 2024 |
| CANCAN 2226188 · TMA1251301 | an individual | 14 Jewellery | Registered | 2024 |
| Chuancheng 2217817 · TMA1245543 | Shenzhen Chuancheng Electronic Commerce Co., Ltd. | 7 Machines | Registered | 2024 |
| CNGUNNIR 2211760 · TMA1243006 · design | Shenzhen Gunnir Technology Development Co., Ltd. | 9 Electronics | Registered | 2024 |