| CROFAB 1646316 · TMA922738 · design | BTG International Inc. | 5 Pharmaceuticals | Registered | 2015 |
| CROFAB 1306258 · TMA696006 | BTG International Inc. | 5 Pharmaceuticals | Registered | 2007 |
| CROPIFY 2251479 | Cropify Pty Ltd | 9 Electronics42 Science | Pending | 2023 |
| CharBaby 2203901 · TMA1239981 | an individual | 28 Toys | Registered | 2024 |
| CURVEBEAM 2180753 · TMA1211357 | CurveBeam, LLC | 42 Science | Registered | 2023 |
| CARBOFLEX 2082162 · TMA1164889 | TECNIFIBRE | 28 Toys | Registered | 2023 |
| Carbhub 2078104 · TMA1178907 | Shenzhen Qianhai Peicheng Investment Co. Ltd. | 7 Machines | Registered | 2023 |
| COREVIBE 2028081 · TMA1151532 | FLEXIDRILL LIMITED | 7 Machines | Registered | 2022 |
| CARBOPLASTY 1987712 · TMA1257346 | Vad Scientific LLC | 44 Medical | Registered | 2024 |
| COROBUFF 1970694 · TMA1200676 · design | DIXON TICONDEROGA COMPANY. | 16 Paper | Registered | 2023 |
| CREABEV 1924697 · TMA1114327 | Glanbia Nutritionals Limited | 1 Chemicals | Registered | 2021 |
| CRÊPEAFFAIRE 1907391 · TMA1117123 | CREPEAFFAIRE INTERNATIONAL LIMITED | 43 Restaurants | Registered | 2022 |
| CURVYFIT 1871996 · TMA1033668 | Curvy to the Core Conditioning Corp. | 28 Toys | Registered | 2019 |
| Corpave 1851037 · TMA1059262 | Corpave Canada Inc. | 7 Machines19 Building37 Construction | Registered | 2019 |
| CARBOPROTECT 1797261 · TMA984783 | Owner not shown | 1 Chemicals | Registered | 2017 |
| CARBAPLEX 1772280 · TMA1013013 | BRUKER UK LIMITED | 1 Chemicals5 Pharmaceuticals10 Medical+1 | Registered | 2019 |
| CARFABEL 1642975 · TMA893373 · design | LES EMBALLAGES CARROUSEL INC. | 16 Paper40 Treatment | Registered | 2015 |
| CARIVIBE 1593726 · TMA914657 | Carivibe Ltd. | 21 Housewares24 Textiles25 Clothing+2 | Registered | 2015 |
| CARBOPLATE 1579319 · TMA935418 | an individual | 1 Chemicals | Registered | 2016 |
| CARBOPLOT 1544320 · TMA829846 | Agilent Technologies, Inc. | 9 Electronics | Registered | 2012 |
| CARBOBOND 1542284 · TMA828591 | Agilent Technologies, Inc. | 9 Electronics | Registered | 2012 |
| CARBOPOXY 1515281 · TMA816196 · design | OldCastle Building Products Canada, Inc. | 2 Paints | Registered | 2012 |
| CRAFAB 1488389 · TMA811629 · design | ZHEJIANG CRAFAB ELECTRIC CO. LTD | 7 Machines | Registered | 2011 |
| CARBOVET 1418866 · TMA810583 | Owner not shown | 31 Fresh | Registered | 2011 |
| CARBOPOST 1321490 · TMA704294 | Abrasive Technology France LLC, a U.S. Corporation | 10 Medical | Registered | 2008 |