| CrowdSpecs 2372692 | an individual | 35 Advertising | Pending | 2025 |
| CROWDSTRIKE 2197575 · TMA1278955 · design | Crowdstrike, Inc. | 41 Education42 Science | Registered | 2024 |
| CrowdTwist 2037464 · TMA1120859 | CrowdTwist, Inc. | 35 Advertising42 Science | Registered | 2022 |
| CROWDCHANGE 1754250 · TMA971138 | CrowdChange Inc. | 9 Electronics35 Advertising | Registered | 2017 |
| CROWDCUBE 1607352 · TMA927767 | Crowdcube Limited, a legal entity | 9 Electronics35 Advertising36 Finance | Registered | 2016 |
| CROWDCARE 1598130 · TMA888248 | CrowdCare Corporation | 9 Electronics | Registered | 2014 |
| CROWDSTRIKE 1584441 · TMA899234 | Crowdstrike, Inc. | 9 Electronics42 Science45 Legal | Registered | 2015 |
| CROWDSTAR 1493424 · TMA832996 | Electronic Arts Inc. | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2012 |
| CROWDSENSE 1435155 · TMA769154 | PublicInsite Web Analytics Inc. | 35 Advertising38 Telecommunications | Registered | 2010 |
| CRUTCHFIELD 1325087 · TMA712651 | CRUTCHFIELD CORPORATION | 35 Advertising | Registered | 2008 |
| CORDSTEEL 1256851 · TMA668826 | an individual | 22 Ropes | Registered | 2006 |
| CROWDSTRIKE 2239974 · design | Crowdstrike, Inc. | 42 Science | Pending | 2022 |
| CART2CORE 2284192 · TMA1097630 | VELTEK ASSOCIATES, INC. | 12 Vehicles | Registered | 2021 |
| CORDZ 2260847 · TMA1283058 · design | an individual | 25 Clothing | Registered | 2025 |
| CHORDCASHAI 2251688 · TMA1267484 | beatBREAD Limited | 36 Finance | Registered | 2024 |
| cardcabin 2251176 · TMA1268951 | Owner not listed | 18 Leather | Registered | 2024 |
| CRUTCHGECKO 2247930 · TMA1265981 | Owner not listed | 10 Medical18 Leather | Registered | 2024 |
| CertiSur 2240993 · TMA1260124 | an individual | 36 Finance | Registered | 2024 |
| Caratsmiths 2234035 · TMA1256695 | 2830182 ONTARIO INC. | 14 Jewellery35 Advertising | Registered | 2024 |
| CREATEKEEBS 2216311 · TMA1248285 · design | Huizhou Liujin Technology Co., LTD | 9 Electronics | Registered | 2024 |
| CARRIEDIOSA 2210418 · TMA1242911 | Suzhou Jiajin International Trade Co., Ltd. | 24 Textiles | Registered | 2024 |
| CORETEC 2208970 · TMA1197301 | General Motors LLC | 12 Vehicles | Registered | 2023 |
| CARETS 2207311 · TMA1227400 | Hunter & Fuchsia LLC | 25 Clothing35 Advertising | Registered | 2024 |
| COREEDGE 2193210 · TMA1234923 · design | 13714195 Canada Inc. | 25 Clothing | Registered | 2024 |
| CORTEXIL 2190761 · TMA1261265 · design | Owner not shown | 10 Medical | Registered | 2024 |