| CASANOVA 1134317 · TMA636928 | AFN Broker LLC | 3 Cosmetics5 Pharmaceuticals32 Beer | Registered | 2005 |
| COGNIVA 1795400 · TMA986009 | Immunotec Inc. | 5 Pharmaceuticals | Registered | 2017 |
| COSMOPLAT 2097983 · TMA1220330 | Haier COSMO IoT Ecosystem Technology Co. Ltd. | 7 Machines9 Electronics | Registered | 2024 |
| COSMOPlat 2096418 · TMA1220323 | Haier COSMO IoT Ecosystem Technology Co. Ltd. | 4 Oils11 Lighting35 Advertising+7 | Registered | 2024 |
| COSMOPACK 1694174 · TMA964123 · design | Owner not shown | 35 Advertising41 Education42 Science+1 | Registered | 2017 |
| COSMOPACK 0763378 · TMA453116 · design | Owner not shown | 35 Advertising41 Education42 Science+1 | Registered | 1996 |
| CasaNueva 2370327 | Owner not listed | 11 Lighting20 Furniture | Pending | 2024 |
| CosmoForg 2239099 · TMA1259866 | an individual | 8 Hand | Registered | 2024 |
| CASUMOVERSE 2201268 · TMA1280803 | C Digital Technologies Limited | 9 Electronics41 Education | Registered | 2025 |
| CASINO4FUN 2163282 · TMA1245051 | RSI IP Holding, LLC | 41 Education | Registered | 2024 |
| CocoNFT 2148480 · TMA1245013 | COCONFT TECHNOLOGY INC. | 9 Electronics42 Science | Registered | 2024 |
| CEACAMFI 2128216 · TMA1234349 | SANOFI | 5 Pharmaceuticals | Registered | 2024 |
| CEACAMVAY 2128213 · TMA1234348 | SANOFI | 5 Pharmaceuticals | Registered | 2024 |
| CEACAMVY 2128212 · TMA1234347 | SANOFI | 5 Pharmaceuticals | Registered | 2024 |
| CocoNFT 2109434 · TMA1179211 | COCONFT TECHNOLOGY INC. | 9 Electronics35 Advertising | Registered | 2023 |
| CASINOFY 2037331 · TMA1161184 | Red Sea Media Limited | 35 Advertising | Registered | 2023 |
| COSMOPOD 1960047 · TMA1225593 | Catalent Pharma Solutions, Inc. | 3 Cosmetics | Registered | 2024 |
| COSMOPOLITAN 1892207 · TMA1047130 | Hearst Communications, Inc. | 18 Leather21 Housewares22 Ropes | Registered | 2019 |
| COSMOPOLITAN 1890920 · TMA1087339 | Hearst Communications, Inc. | 3 Cosmetics21 Housewares | Registered | 2020 |
| COSMOPOLITAN 1884313 · TMA1080788 | Hearst Communications, Inc. | 25 Clothing | Registered | 2020 |
| COSMOPOLITAN 1880797 · TMA1062540 | Hearst Communications, Inc. | 9 Electronics28 Toys41 Education | Registered | 2019 |
| COSMOBOX 1866888 · TMA1071029 | Hearst Communications, Inc. | 35 Advertising | Registered | 2020 |
| COSMOPOLITAN 1862873 · TMA1081100 | Hearst Communications, Inc. | 3 Cosmetics | Registered | 2020 |
| COSMOPOLITAN 1861778 · TMA1080793 | Hearst Communications, Inc. | 14 Jewellery25 Clothing | Registered | 2020 |
| COGNIFY 1837346 · TMA1093516 | Talentcorp Pty Ltd | 9 Electronics28 Toys35 Advertising+3 | Registered | 2021 |