| 8 CRYOSTASIS 2221895 · design | CryoStasis Inc. | 1 Chemicals10 Medical21 Housewares+1 | Pending | 2022 |
| CRYSTALIA 2172340 · TMA1221610 | VOLARIUM LLC | 21 Housewares | Registered | 2024 |
| Crystalys 2032516 · TMA1126343 · design | Allergan Pharmaceuticals International Limited | 5 Pharmaceuticals | Registered | 2022 |
| CRYOSTAR 1507052 · TMA863107 | an individual | 6 Metal7 Machines9 Electronics+2 | Registered | 2013 |
| CRYSTALS 1207355 · TMA640661 | Fellowes, Inc. | 9 Electronics | Registered | 2005 |
| CRYSTALIP 0749124 · TMA492009 | an individual | 5 Pharmaceuticals | Registered | 1998 |
| CRYSTASENSE 1658671 · TMA1040718 | Croda International Plc | 1 Chemicals | Registered | 2019 |
| CRYSTALITES 1170738 · TMA614699 | Coats & Clark Inc. | 26 Sewing | Registered | 2004 |
| CRYSTAR 2129935 · TMA1210876 | FURYU CORPORATION | 9 Electronics | Registered | 2023 |
| CRYSTAWASH 2076715 · TMA1162608 | AFT Pharmaceuticals Limited | 5 Pharmaceuticals | Registered | 2023 |
| CRYSTAGEN 2060778 · TMA1164595 | GARMONIA, Ltd. | 5 Pharmaceuticals | Registered | 2023 |
| CRYSTAL 2030866 · TMA1129942 | SodaStream (Switzerland) GmbH | 6 Metal7 Machines21 Housewares | Registered | 2022 |
| CRYSTALUX 2024690 · TMA1265079 | M S International, Inc. | 19 Building | Registered | 2024 |
| CRYSTAL 1964346 · TMA1144973 | Bitfury Group Limited | 9 Electronics42 Science | Registered | 2022 |
| CRYSTILES 1963542 · TMA1126765 | an individual | 6 Metal16 Paper27 Carpets | Registered | 2022 |
| CRESTAFIX 1837601 · TMA1027625 | SCOTT BADER COMPANY LIMITED | 1 Chemicals | Registered | 2019 |
| CRYSTALSKY 1837246 · TMA1006841 | SZ DJI TECHNOLOGY Co. Ltd. | 9 Electronics | Registered | 2018 |
| Cryostor 1835037 · TMA1008630 | Biolife Solutions, Inc. | 1 Chemicals | Registered | 2018 |
| CRYSTAR 1784217 · TMA986891 | Saint-Gobain Ceramics & Plastics, Inc. | 7 Machines11 Lighting | Registered | 2017 |
| CRYSTAL 1783685 · TMA976916 | Clotures Frontenac Inc. | 6 Metal19 Building | Registered | 2017 |
| CRYSTALITE 1768040 · TMA971226 | AURUM GROUP LTD. | 1 Chemicals10 Medical | Registered | 2017 |
| CRYSTAL 1762045 · TMA1012588 | Crystal Cruises Ltd. | 39 Transport | Registered | 2019 |
| CRYSTAL 1757249 · TMA953698 | Universal Entertainment Corporation | 28 Toys | Registered | 2016 |
| Crystalite 1729598 · TMA962823 | AURUM GROUP LTD. | 1 Chemicals10 Medical | Registered | 2017 |
| CRYSTAL 1719998 · TMA1049248 · design | Crystal Cruises Ltd. | 43 Restaurants | Registered | 2019 |