| CREAMSHAPER 1188744 · TMA654419 | Clinique Laboratories, LLC | 3 Cosmetics | Registered | 2005 |
| CAREMAKERS 2055405 | Suncor Energy Inc. | 9 Electronics35 Advertising36 Finance+1 | Pending | 2020 |
| ChurnZero 2263826 · TMA1283339 | ChurnZero, Inc. | 9 Electronics42 Science | Registered | 2025 |
| CHROMAGLOW 2252437 · TMA1272831 | Big Star Lights Canada Inc. | 11 Lighting35 Advertising | Registered | 2024 |
| Cornstock 2240622 · TMA1261516 | an individual | 35 Advertising41 Education | Registered | 2024 |
| CHROMASILK 2240469 · TMA1240513 | Owner not listed | 3 Cosmetics | Registered | 2024 |
| CHROMAKEY 2238537 · TMA1258330 | an individual | 42 Science44 Medical | Registered | 2024 |
| CrankLoc 2234832 · TMA1256737 | Apex Oilfield Equipment (Qingdao) Co., Ltd. | 7 Machines | Registered | 2024 |
| crownslota 2221986 · TMA1248679 | Beijing Guanduo Network Technology Co., Ltd. | 9 Electronics | Registered | 2024 |
| cyrank 2220120 · TMA1247003 | an individual | 21 Housewares | Registered | 2024 |
| Crimson 2213832 · TMA1243204 | Per Vices Corporation | 9 Electronics | Registered | 2024 |
| CHROMOCYMATICS 2212387 · TMA1244214 · design | an individual | 44 Medical | Registered | 2024 |
| CHRONICLE 2207517 · TMA1246446 · design | an individual | 42 Science | Registered | 2024 |
| CRUNCHY 2203073 · TMA1239917 | REFINED PROFILE INC., a legal entity | 10 Medical | Registered | 2024 |
| CRIMECAST 2199526 · TMA1220792 | Cap Index, Inc. | 35 Advertising42 Science | Registered | 2024 |
| CRANEKIT 2193894 · TMA1264065 · design | Chongqing Dazu Yongli Cutting Tool Co., Ltd | 8 Hand | Registered | 2024 |
| CRENESSITY 2179399 · TMA1284434 | Neurocrine Biosciences, Inc. | 5 Pharmaceuticals | Registered | 2025 |
| CRUNCHCUP 2177984 · TMA1227277 | Crunch Tech, Inc. | 21 Housewares | Registered | 2024 |
| CHERNIGIVSKE 2175054 · TMA1226155 · design | Private Joint Stock Company AB INBEV EFES UKRAINE | 32 Beer | Registered | 2024 |
| CHERNIGIVSKE 2173611 · TMA1223833 | Private Joint Stock Company AB INBEV EFES UKRAINE | 32 Beer | Registered | 2024 |
| CRUNCH+ 2173233 · TMA1205453 | Crunch IP Holdings, LLC | 41 Education | Registered | 2023 |
| CHROMNEX 2159955 · TMA1226067 · design | JSR Corporation | 9 Electronics11 Lighting | Registered | 2024 |
| CROING 2155249 · TMA1206560 | an individual | 21 Housewares | Registered | 2023 |
| CARANESS 2152527 · TMA1189888 | Owner not shown | 30 Coffee | Registered | 2023 |
| CERAMIGHTY 2151316 · TMA1186786 | Shiseido Americas Corporation | 3 Cosmetics | Registered | 2023 |