| CLOUDFORMS 1711742 · TMA937680 | Red Hat, Inc. | 9 Electronics42 Science | Registered | 2016 |
| Cloudfarms 2159813 · TMA1228886 | an individual | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2024 |
| CLOUDFLARE 1650049 · TMA896980 | CloudFlare, Inc. a legal entity | 9 Electronics42 Science | Registered | 2015 |
| CLOUDBERG 2320496 · design | Yangzhou Seno Excellion Trading Co.Ltd | 10 Medical | Pending | 2024 |
| CLOUDBORN 2286520 | an individual | 9 Electronics | Pending | 2023 |
| CLOUDBRIDGE 1672263 · TMA925969 | CITRIX SYSTEMS, INC. | 9 Electronics | Registered | 2016 |
| Cloudprime 2186451 · TMA1272593 | On Clouds GmbH | 25 Clothing28 Toys42 Science | Registered | 2024 |
| Cloudful 2155905 · TMA1192167 | SINGAPORE FULL SCALE FULL SPEED PTE.LTD. | 24 Textiles25 Clothing35 Advertising | Registered | 2023 |
| CLOUDFIT 2018374 · TMA1131674 | Cloudfit Software, LLC | 9 Electronics42 Science | Registered | 2022 |
| CLOUDBOOK 2000645 · TMA1144319 | HOLDHAM | 16 Paper | Registered | 2022 |
| CLOUDFALL 1960840 · TMA1135244 | SUTTER HOME WINERY, INC. | 33 Wine | Registered | 2022 |
| CLOUDBLUE 1898200 · TMA1112752 · design | CloudBlue LLC | 9 Electronics35 Advertising36 Finance+3 | Registered | 2021 |
| CLOUDPOINT 1850781 · TMA1058394 | Veritas Technologies LLC | 9 Electronics | Registered | 2019 |
| COLDFORM 1832618 · TMA1009974 | DJO Consumer, LLC | 10 Medical | Registered | 2018 |
| CloudBooks 1723424 · TMA954054 | an individual | 35 Advertising | Registered | 2016 |
| CLOUDBLUE 1690939 · TMA980048 · design | CloudBlue LLC | 35 Advertising36 Finance37 Construction+2 | Registered | 2017 |
| CLOUDFLO 1641568 · TMA936591 · design | Automatic Bar Controls, Inc. | 9 Electronics35 Advertising42 Science | Registered | 2016 |
| CLOUDFLO 1641567 · TMA936592 | Automatic Bar Controls, Inc. | 9 Electronics35 Advertising42 Science | Registered | 2016 |
| COLDFORM2 1630993 · TMA915488 | FyterTech Holdings, Inc. | 1 Chemicals9 Electronics16 Paper+2 | Registered | 2015 |
| COLDFORM 1606545 · TMA915487 | Evolution Sorbent Products, LLC, a Wisconsin limited liability company | 1 Chemicals9 Electronics16 Paper+2 | Registered | 2015 |
| CLOUDBOX 1536643 · TMA881311 | Seagate Technology LLC | 9 Electronics38 Telecommunications39 Transport+1 | Registered | 2014 |
| CLOUDOPS 1507625 · TMA895708 | CLOUDOPS INC. | 42 Science | Registered | 2015 |
| CLOUDFLEX 2313711 | Owner not listed | 3 Cosmetics | Pending | 2024 |
| CLOUDFIT 2297829 | Kimberly-Clark Worldwide, Inc. | 5 Pharmaceuticals | Pending | 2023 |
| Cloudpulse 2297440 | On Clouds GmbH | 25 Clothing | Pending | 2023 |