| COLDFORM 1832618 · TMA1009974 | DJO Consumer, LLC | 10 Medical | Registered | 2018 |
| COLDFORM 1606545 · TMA915487 | Evolution Sorbent Products, LLC, a Wisconsin limited liability company | 1 Chemicals9 Electronics16 Paper+2 | Registered | 2015 |
| COLDFORM 2012142 | CORNING INCORPORATED | 21 Housewares | Pending | 2020 |
| CLOUDFORMS 1711742 · TMA937680 | Red Hat, Inc. | 9 Electronics42 Science | Registered | 2016 |
| Cloudfarms 2159813 · TMA1228886 | an individual | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2024 |
| CLOUDFORGE 1570938 · TMA876227 | CollabNet, Inc. (a Delaware corporation) | 9 Electronics42 Science | Registered | 2014 |
| COLDFRESH 2051686 · TMA1168033 | The Procter & Gamble Company | 3 Cosmetics | Registered | 2023 |
| COLDFRONT 1938073 · TMA1106890 | ColdFront Ltd. | 35 Advertising37 Construction39 Transport | Registered | 2021 |
| COLDPRUF 1729957 · TMA959231 · design | NG Labs, Inc. | 25 Clothing | Registered | 2017 |
| COLDPRUF 1729951 · TMA961202 | NG Labs, Inc. | 25 Clothing | Registered | 2017 |
| COLDFIELD 1506743 · TMA817010 · design | an individual | 25 Clothing | Registered | 2012 |
| COLDBOX 1434036 · TMA768042 | Coldbox Builders Inc. | 37 Construction42 Science | Registered | 2010 |
| COLDFX 1239084 · TMA655100 | Bausch + Lomb Corporation | 5 Pharmaceuticals | Registered | 2005 |
| Cloudprime 2186451 · TMA1272593 | On Clouds GmbH | 25 Clothing28 Toys42 Science | Registered | 2024 |
| CLOUDBADGING 2180697 · TMA1256331 · design | Barcodes, LLC | 42 Science | Registered | 2024 |
| CLOUDBADGING 2179379 · TMA1256316 | Barcodes, LLC | 42 Science | Registered | 2024 |
| CULTIVMI 2160253 · TMA1187899 | an individual | 5 Pharmaceuticals9 Electronics16 Paper+4 | Registered | 2023 |
| Cloudful 2155905 · TMA1192167 | SINGAPORE FULL SCALE FULL SPEED PTE.LTD. | 24 Textiles25 Clothing35 Advertising | Registered | 2023 |
| Cloudvista 2154439 · TMA1272452 | On Clouds GmbH | 25 Clothing28 Toys42 Science | Registered | 2024 |
| CLOUDVISORY 2080495 · TMA1141998 | FireEye, Inc. | 9 Electronics42 Science | Registered | 2022 |
| CALTOP 2076338 · TMA1178805 | Air Liquide Canada Inc. | 6 Metal | Registered | 2023 |
| CULTIVATE 2044244 · TMA1123953 | Perceptyx, Inc. | 42 Science | Registered | 2022 |
| Cultivo 2042436 · TMA1164478 | Mucci International Marketing Inc. | 31 Fresh | Registered | 2023 |
| CULTIVATED 2042376 · TMA1144711 | an individual | 16 Paper21 Housewares24 Textiles+1 | Registered | 2022 |
| CLOUDFIT 2018374 · TMA1131674 | Cloudfit Software, LLC | 9 Electronics42 Science | Registered | 2022 |