| DOCK 2141456 · TMA1188679 | "Dr. Martens" International Trading GmbH; "Dr. Maertens" Marketing GmbH | 25 Clothing | Registered | 2023 |
| DOK 2141455 · TMA1188678 | "Dr. Martens" International Trading GmbH; "Dr. Maertens" Marketing GmbH | 25 Clothing | Registered | 2023 |
| DOK 1914796 · TMA1106284 | Dyson Technology Limited | 7 Machines | Registered | 2021 |
| DOCK 2184419 | an individual | 9 Electronics42 Science45 Legal | Pending | 2022 |
| DOCK 2184418 · design | an individual | 9 Electronics42 Science45 Legal | Pending | 2022 |
| DOK 2020486 · design | an individual | 37 Construction41 Education42 Science | Pending | 2020 |
| Dookeh 2337014 · TMA1273273 | Dookeh Trade LLC | 14 Jewellery25 Clothing | Registered | 2024 |
| DOOKKI 2269235 · design | DAREUN CO. LTD. | 43 Restaurants | Pending | 2023 |
| DOGOO 2253643 · TMA1271597 | an individual | 11 Lighting | Registered | 2024 |
| DOKOO 2144234 · TMA1210978 · design | Shenzhen Zhimu Technology Co. Ltd. | 9 Electronics21 Housewares | Registered | 2023 |
| DOOZY 2070347 · TMA1161319 · design | Shenzhen Chaofan Technology Co. Ltd. | 34 Tobacco | Registered | 2023 |
| DOKOU 2056787 · TMA1215913 | Dongguan Xinhe Yundong Yongpin Co. Ltd | 28 Toys | Registered | 2023 |
| DOOSU 1943356 · TMA1211538 · design | Shenzhen Chaogeili Electronic Commerce Co. Ltd. | 8 Hand9 Electronics21 Housewares+1 | Registered | 2023 |
| DOSKO 1637645 · TMA903976 | Northern Tool & Equipment Company, Inc. | 7 Machines | Registered | 2015 |
| DOSKO 1540859 · TMA866241 | Northern Tool & Equipment Company, Inc. | 7 Machines | Registered | 2013 |
| DOCKS 2132481 · design | Docks Cannabis Company Corp. | 3 Cosmetics25 Clothing29 Meat+3 | Pending | 2021 |
| DOCKS 2107942 | Docks Cannabis Company Corp. | 3 Cosmetics25 Clothing29 Meat+3 | Pending | 2021 |
| DECO 2271624 · TMA1266078 | Owner not listed | 11 Lighting | Registered | 2024 |
| DTOCS 2270941 · TMA1223946 | Owner not listed | 8 Hand21 Housewares35 Advertising | Registered | 2024 |
| Dachgo 2264477 · TMA1283399 | Shenzhen Xingchuan Technology Co. Ltd. | 28 Toys | Registered | 2025 |
| DOUGHY 2255855 · TMA1273151 · design | Doughy LLC | 30 Coffee35 Advertising | Registered | 2024 |
| DIWEISHI 2248243 · TMA1267303 | Shenzhen Diweishi Industrial Co. LTD | 9 Electronics | Registered | 2024 |
| DTC 2246979 · TMA1265895 · design | Owner not listed | 21 Housewares | Registered | 2024 |
| Dtja 2246384 · TMA1265764 | Owner not listed | 14 Jewellery | Registered | 2024 |
| DJJ 2243907 · TMA1264294 | Shenzhen Iplayvape Technology Co. Ltd | 34 Tobacco | Registered | 2024 |