| CEREVENTION 2219651 | Minnetronix Neuro, Inc. | 9 Electronics10 Medical42 Science+1 | Pending | 2022 |
| CARVONIX 2221519 · TMA1239036 | an individual | 9 Electronics | Registered | 2024 |
| CREVENCI 1849989 · TMA1078122 | an individual | 5 Pharmaceuticals | Registered | 2020 |
| CARVEN 1715752 · TMA976464 | an individual | 9 Electronics14 Jewellery18 Leather+2 | Registered | 2017 |
| CAREVENT 1010652 · TMA535271 | O-TWO MEDICAL TECHNOLOGIES INC. | 10 Medical37 Construction | Registered | 2000 |
| CERVENA 0701536 · TMA422603 | Cervena Trust Limited | 29 Meat30 Coffee | Registered | 1994 |
| CORVINA 0511757 · TMA292941 | an individual | 16 Paper | Registered | 1984 |
| CARPENTER 0296965 · TMA150961 | CRS HOLDINGS, LLC | 6 Metal | Registered | 1967 |
| "CARVEN" 0189923 · UCA24591 | an individual | 25 Clothing | Registered | 1946 |
| "CARVEN" 0189922 · UCA24808 | JACQUES BOGART SA | 3 Cosmetics | Registered | 1946 |
| CURVENOTE 2367532 | Curvenote Inc. | 9 Electronics38 Telecommunications41 Education+1 | Pending | 2024 |
| CREVENT 2336460 · design | Ningbo Wells Foreign Trade Co. Ltd. | 24 Textiles | Pending | 2024 |
| CORVON 2243999 | Neenah, Inc. | 16 Paper | Pending | 2023 |
| CARAVAN 2288158 · TMA1257126 · design | Big Country Raw Ltd. | 31 Fresh | Registered | 2024 |
| CRBN 2184370 · TMA1230559 | Phoenix Wheel CO. Inc. DBA HRE Performance Wheels | 12 Vehicles25 Clothing | Registered | 2024 |
| CARBON 2183432 · TMA1278878 | Quantum-Si Incorporated | 9 Electronics10 Medical42 Science | Registered | 2024 |
| CARBONSCAPE 2180479 · TMA1262756 | Carbonscape Limited | 1 Chemicals40 Treatment42 Science+1 | Registered | 2024 |
| CARBYNE 2169786 · TMA1158450 | KOHLER CO. | 11 Lighting | Registered | 2022 |
| CARBONANO 2166317 · TMA1215368 · design | an individual | 10 Medical18 Leather21 Housewares+2 | Registered | 2023 |
| CERAPHIN 2156088 · TMA1229742 | Alliance Apparel Group, Inc. | 3 Cosmetics5 Pharmaceuticals9 Electronics+5 | Registered | 2024 |
| CarbonEdge 2148371 · TMA1204146 | Carbon Edge Corporation | 35 Advertising41 Education42 Science | Registered | 2023 |
| CARBONSMART 2144961 · TMA1223725 | LanzaTech, Inc. | 23 Yarns24 Textiles25 Clothing | Registered | 2024 |
| COREBON 2139679 · TMA1246204 · design | an individual | 7 Machines9 Electronics11 Lighting+3 | Registered | 2024 |
| CARBONASSIST 2126745 · TMA1233286 | Owner not shown | 7 Machines9 Electronics11 Lighting+4 | Registered | 2024 |
| CoreBiome 2126468 · TMA1196842 | Compound Solutions, Inc. | 1 Chemicals | Registered | 2023 |