| CDEXPLORE 2196368 · design | CDE Global Limited | 7 Machines37 Construction42 Science | Pending | 2022 |
| CHATGPT 2247427 · TMA1263267 | OpenAI OpCo, LLC | 9 Electronics42 Science | Registered | 2024 |
| catspan 2170629 · TMA1225289 | Owner not shown | 45 Legal | Registered | 2024 |
| CEUTICPRO 2167128 · TMA1274063 | Owner not shown | 3 Cosmetics | Registered | 2024 |
| CETGOFY 2153094 · TMA1191066 | FibroGen, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| CathCup 2104893 · TMA1211849 | Owner not shown | 5 Pharmaceuticals | Registered | 2023 |
| CUTESAFETY 2097702 · TMA1218040 | an individual | 20 Furniture22 Ropes | Registered | 2024 |
| CHATZPATZ 2025281 · TMA1190334 · design | Umang Patel; Shivom Enterprises Pty Limited | 29 Meat30 Coffee | Registered | 2023 |
| CATSPACE 2014287 · TMA1112046 | an individual | 12 Vehicles | Registered | 2021 |
| CATCHBOX 1974072 · TMA1113033 | an individual | 9 Electronics28 Toys35 Advertising+2 | Registered | 2021 |
| CATSPORTS 1970865 · TMA1136811 · design | Les Entreprises Catsports Inc. | 35 Advertising | Registered | 2022 |
| CDCP 1821800 · TMA1071154 · design | Enterprise Products Integration Pte Limited | 41 Education | Registered | 2020 |
| CATSPAD 1785397 · TMA1095212 | an individual | 9 Electronics18 Leather20 Furniture+1 | Registered | 2021 |
| CATCHBOOK 1745232 · TMA982928 | Siemens Product Lifecycle Management Software Inc. | 9 Electronics | Registered | 2017 |
| CDCP 1743738 · TMA1003453 | Personalized Dementia Solutions Inc. | 9 Electronics16 Paper35 Advertising+4 | Registered | 2018 |
| CottageFirst 1662520 · TMA898173 | Cade Associates Insurance Brokers Limited | 36 Finance | Registered | 2015 |
| CITYSCAPE 1630028 · TMA939723 | MARY KAY INC. | 3 Cosmetics | Registered | 2016 |
| CDECB 1558642 · TMA851555 · design | Canadian Diabetes Educator Certification Board | 35 Advertising41 Education42 Science | Registered | 2013 |
| CDSPI 1491124 · TMA800663 | CDSPI | 36 Finance | Registered | 2011 |
| CDSPI 1490279 · TMA800661 · design | CDSPI | 36 Finance | Registered | 2011 |
| CITYXPRESS 1484600 · TMA807733 | Cityxpress Ltd. | 9 Electronics35 Advertising42 Science | Registered | 2011 |
| CYTOSPORT 1272469 · TMA741168 | CYTOSPORT, INC. | 5 Pharmaceuticals32 Beer | Registered | 2009 |
| CITYSPHERE 1270895 · TMA776987 | DigitalGlobe, Inc. a Delaware (U.S.A.) corporation | 9 Electronics38 Telecommunications | Registered | 2010 |
| CodaScope 1268410 · TMA717606 | CodaScope Incorporated | 9 Electronics14 Jewellery16 Paper+13 | Registered | 2008 |
| CUTASEPT 1266320 · TMA678842 | BODE CHEMIE GMBH | 3 Cosmetics5 Pharmaceuticals | Registered | 2007 |