| Coitak 2153197 · TMA1237033 | Shenzhen Yixin Economic and Trade Co. Ltd. | 24 Textiles | Registered | 2024 |
| COTEK 1803253 · TMA995227 · design | COTEK ELECTRONIC IND. CO. LTD. | 7 Machines9 Electronics | Registered | 2018 |
| CyTaka 2271715 | Owner not listed | 9 Electronics41 Education42 Science | Pending | 2023 |
| Choitak 2110839 · TMA1192662 | Dongguan Caimeiran Trading Co. Ltd. | 2 Paints16 Paper | Registered | 2023 |
| COTTAGE 1269165 · TMA707227 | Craft-Bilt Manufacturing Company | 22 Ropes | Registered | 2008 |
| COTTAGE 1067130 · TMA632309 | Owner not shown | 3 Cosmetics | Registered | 2005 |
| COTTAGE 0822231 · TMA480184 | Owner not shown | 31 Fresh | Registered | 1997 |
| COATS 2266767 · TMA1270300 | Waldencast UK Limited | 3 Cosmetics | Registered | 2024 |
| CGGOODS 2252257 · TMA1271398 | Suzhou Qianjiayi Trading Co.Ltd. | 26 Sewing | Registered | 2024 |
| CTK 2243802 · TMA1261833 | CTK SYS Inc. | 9 Electronics37 Construction42 Science+1 | Registered | 2024 |
| Cadex 2240499 · TMA1267068 | Cadex Fasteners Ltd. | 7 Machines8 Hand | Registered | 2024 |
| COTES 2231098 · TMA1253028 · design | Owner not shown | 11 Lighting40 Treatment | Registered | 2024 |
| Cotes 2231097 · TMA1253027 | Owner not shown | 11 Lighting40 Treatment | Registered | 2024 |
| cotwoco 2203743 · TMA1239954 | Shenzhen Tongbu Yida Technology Co., Ltd. | 18 Leather | Registered | 2024 |
| CDXX 2184763 · TMA1259490 | an individual | 3 Cosmetics10 Medical16 Paper+7 | Registered | 2024 |
| Cotech 2165068 · TMA1188897 | 9091-4532 Québec inc. | 7 Machines | Registered | 2023 |
| CYTAC 2163928 · TMA1259388 · design | Cytac Technology Limited | 9 Electronics13 Firearms | Registered | 2024 |
| cottzy 2161651 · TMA1220511 | an individual | 25 Clothing | Registered | 2024 |
| CHUDDYS 2155318 · TMA1207718 | an individual | 30 Coffee | Registered | 2023 |
| Coitek 2153195 · TMA1206433 | Shenzhen zhicheng bosi industrial co. LTD | 21 Housewares | Registered | 2023 |
| CTG 2141620 · TMA1185451 · design | COMPUTER TASK GROUP, INC. | 35 Advertising42 Science | Registered | 2023 |
| CDEK 2132423 · TMA1209747 · design | Owner not shown | 35 Advertising | Registered | 2023 |
| CITYGOO 2125592 · TMA1216197 | an individual | 3 Cosmetics | Registered | 2023 |
| Catiggo 2124266 · TMA1187621 | Hangzhou Mandaluo E-commerce Co. Ltd. | 20 Furniture28 Toys | Registered | 2023 |
| CUTEK 2124010 · TMA1192870 | CHEMISYS HOLDINGS PTY LTD AS TRUSTEE FOR THE PETER AND BRENDA REID FAMILY IP TRUST | 2 Paints3 Cosmetics | Registered | 2023 |