| COSTEVIMET 1793975 · TMA1045056 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2019 |
| CHICTIFY 2257824 · TMA1277691 | Guangzhou Hao Zheng Trading Co.Ltd | 26 Sewing | Registered | 2024 |
| CASTPLAS 2144802 · TMA1232182 · design | Owner not shown | 6 Metal17 Rubber19 Building | Registered | 2024 |
| CASTIBIOME 2113307 · TMA1160544 | Owner not shown | 1 Chemicals3 Cosmetics | Registered | 2023 |
| Cestovet 2074748 · TMA1190463 | Shenzhen Datong World Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| CHOCTOP 2048612 · TMA1138764 | International Foodstuffs Co. LLC | 30 Coffee | Registered | 2022 |
| Custoplex 2034931 · TMA1151584 | Dr. Franz Köhler Chemie GmbH | 5 Pharmaceuticals | Registered | 2022 |
| COCOTOPIA 1981294 · TMA1134617 | HERSHEY CHOCOLATE & CONFECTIONERY LLC | 30 Coffee | Registered | 2022 |
| CASETIFY 1949992 · TMA1121089 · design | Casetagram Limited | 9 Electronics14 Jewellery18 Leather+1 | Registered | 2022 |
| COSTABAJA 1913832 · TMA1137727 | EX HACIENDA LOS CAMICHINES, S.A. DE C.V. (a company organized and existing under the laws of Mexico) | 32 Beer33 Wine | Registered | 2022 |
| CYASTAB 1884199 · TMA1145058 | CYTEC INDUSTRIES INC. | 1 Chemicals | Registered | 2022 |
| CastBox 1835467 · TMA1063398 | Guru Network Limited | 9 Electronics | Registered | 2019 |
| CUSTOFLOC 1818892 · TMA1010677 | an individual | 1 Chemicals | Registered | 2018 |
| CUSTOPREP 1818890 · TMA1010692 | an individual | 1 Chemicals | Registered | 2018 |
| CUSTOFROTH 1818889 · TMA1010691 | an individual | 1 Chemicals | Registered | 2018 |
| COACTIV+ 1729204 · TMA1060311 | Kane Biotech Inc. | 3 Cosmetics5 Pharmaceuticals18 Leather+5 | Registered | 2019 |
| CYSTOPLUS 1490678 · TMA799858 · design | NORWELL CONSUMER HEALTHCARE INC. | 5 Pharmaceuticals | Registered | 2011 |
| CASTIV 1460559 · TMA814191 | an individual | 9 Electronics15 Musical | Registered | 2011 |
| Cystoplus 1404068 · TMA798844 | NORWELL CONSUMER HEALTHCARE INC. | 5 Pharmaceuticals | Registered | 2011 |
| CHICKADVISOR 1392437 · TMA741092 | Chickadvisor Inc. | 9 Electronics25 Clothing35 Advertising+4 | Registered | 2009 |
| CHOICEADVANTAGE 1236084 · TMA686277 | Choice Hotels International, Inc. | 35 Advertising43 Restaurants | Registered | 2007 |
| COASTFORM 1115494 · TMA590099 | RICHMOND PLYWOOD CORPORATION LIMITED | 19 Building | Registered | 2003 |
| CHEKTV 1051398 · TMA559716 | 0859291 BC Ltd. | 9 Electronics14 Jewellery16 Paper+9 | Registered | 2002 |
| COSTPOINT 1016999 · TMA553357 | DELTEK, INC. | 9 Electronics | Registered | 2001 |
| CYSTOPURIN 0991494 · NFLD1494 | FISONS LIMITED | 1 Chemicals | Registered | 1927 |