| COLLOSOL 1985703 · TMA1099918 | an individual | 3 Cosmetics | Registered | 2021 |
| CELLSEAL 1344282 · TMA802664 | NOK CORPORATION, a legal entity | 17 Rubber | Registered | 2011 |
| COLOCOOL 2322227 | Owner not listed | 20 Furniture | Pending | 2024 |
| COOLSEAL 2314341 | Tri-Pack Packaging Systems Limited | 16 Paper20 Furniture | Pending | 2024 |
| COOLSEAL 2282356 | BOLDER SURGICAL, LLC | 10 Medical | Pending | 2023 |
| COLOCEL 2088659 | Owner not shown | 5 Pharmaceuticals35 Advertising44 Medical | Pending | 2021 |
| COLLEGIAL 0516539 · TMA311342 · design | 9368-1476 Québec Inc. | 25 Clothing | Registered | 1986 |
| Clycly 2184048 · TMA1230511 | NETEASE INTERACTIVE ENTERTAINMENT PTE. LTD. | 38 Telecommunications | Registered | 2024 |
| Clycly 2181241 · TMA1230223 | NETEASE INTERACTIVE ENTERTAINMENT PTE. LTD. | 9 Electronics41 Education42 Science | Registered | 2024 |
| Clicli 2181240 · TMA1230222 | NETEASE INTERACTIVE ENTERTAINMENT PTE. LTD. | 9 Electronics41 Education42 Science | Registered | 2024 |
| CoolClub 2179707 · TMA1228358 | an individual | 35 Advertising42 Science | Registered | 2024 |
| ClasLinx 2175291 · TMA1226194 | CLASPROPERTY REPORTING SERVICES LTD. | 36 Finance | Registered | 2024 |
| CLAICAL 2160196 · TMA1210065 | Wenzhou Polysaccharide Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| CLUIZEL 2114692 · TMA1268244 | an individual | 30 Coffee | Registered | 2024 |
| CALICLAY 2111628 · TMA1160512 | Owner not shown | 37 Construction | Registered | 2023 |
| CHALKOLOGY 2077455 · TMA1158345 | Chalk Couture, LLC | 2 Paints | Registered | 2022 |
| CLYZELYS 2070257 · TMA1159318 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2023 |
| CLICKHELP 2063315 · TMA1202556 · design | ClickHelp AM, LLC | 42 Science | Registered | 2023 |
| CALICLE 2055552 · TMA1151966 | an individual | 21 Housewares | Registered | 2022 |
| COALZILLA 2052733 · TMA1273824 | Amalik Inc. | 11 Lighting | Registered | 2024 |
| CLIQXLS 2028094 · TMA1141231 | OSRAM GmbH | 11 Lighting | Registered | 2022 |
| CLICK2SALE 1987725 · TMA1250597 | Edatanetworks Inc. | 9 Electronics42 Science | Registered | 2024 |
| CLOSELY 1980541 · TMA1116249 | an individual | 25 Clothing | Registered | 2021 |
| CLICLI 1974480 · TMA1138163 · design | Fujian Hengzhihui Trading Co. Ltd. | 11 Lighting | Registered | 2022 |
| CALSELECT 1955353 · TMA1229813 | Callery, LLC a Delaware limited liability company | 1 Chemicals | Registered | 2024 |