| CALCLEAR 1157158 · TMA617996 | Robyn Anne Fayle, Calclear Investments Pty Ltd | 1 Chemicals11 Lighting35 Advertising | Registered | 2004 |
| CALCULATIS 1839839 · TMA1017436 | Owner not shown | 35 Advertising37 Construction42 Science | Registered | 2019 |
| CalculAide 0924059 | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2016 |
| COLLAGILE 1938817 · TMA1151169 | Collagile GmbH | 5 Pharmaceuticals31 Fresh | Registered | 2022 |
| CELACLEAR 1927672 · TMA1147450 | EP Minerals, LLC | 1 Chemicals | Registered | 2022 |
| CALCULADY 1579645 · TMA862944 | an individual | 35 Advertising41 Education | Registered | 2013 |
| CoilClean 1073755 · TMA570502 | Sanuvox Technologies Inc. | 11 Lighting | Registered | 2002 |
| COLLAGILE 2274323 · design | Collagile GmbH | 5 Pharmaceuticals31 Fresh | Pending | 2023 |
| 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 |
| COLLOSOL 1985703 · TMA1099918 | an individual | 3 Cosmetics | Registered | 2021 |
| CLOSELY 1980541 · TMA1116249 | an individual | 25 Clothing | Registered | 2021 |