| Decomposers 1900171 · TMA1115981 | an individual | 41 Education45 Legal | Registered | 2021 |
| DECOMPRESSION 1683812 · TMA931213 | an individual | 41 Education | Registered | 2016 |
| disinformation 2239197 · TMA1259877 | an individual | 3 Cosmetics29 Meat30 Coffee | Registered | 2024 |
| DJAMBOOLA 2217455 · TMA1200662 | an individual | 25 Clothing35 Advertising41 Education | Registered | 2023 |
| DECNUPAZ 2164091 · TMA1197176 | ImmunoGen, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| dKanvas 2120575 · TMA1186425 | an individual | 14 Jewellery | Registered | 2023 |
| DUCYMBRO 2039651 · TMA1216788 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2024 |
| dogsnob 2028884 · TMA1134986 | an individual | 31 Fresh | Registered | 2022 |
| DECONOVO 2027547 · TMA1159952 | Hangzhou Mujia Network Technology Co. ltd | 35 Advertising | Registered | 2023 |
| Dagnabbit 2025888 · TMA1134062 | an individual | 28 Toys | Registered | 2022 |
| DESINVOLT 1982705 · TMA1121559 | an individual | 3 Cosmetics | Registered | 2022 |
| DIGNIFID 1950521 · TMA1283604 | DIGNIFID ANIMALS FOUNDATION | 9 Electronics18 Leather26 Sewing+6 | Registered | 2025 |
| DUOCOMFORT 1941754 · TMA1088645 | Edgewell Personal Care Brands, LLC | 8 Hand | Registered | 2020 |
| DIXNEUF 1906524 · TMA1092936 | an individual | 6 Metal8 Hand11 Lighting+3 | Registered | 2021 |
| DECONOVO 1855448 · TMA1019783 | Hangzhou Mujia Network Technology Co. ltd | 24 Textiles | Registered | 2019 |
| DUCHAMP 1842753 · TMA1009520 | Roffe Accessories, Inc. | 25 Clothing | Registered | 2018 |
| DXCHAMBER 1813785 · TMA1061912 | Trudell Medical International Inc. | 10 Medical | Registered | 2019 |
| DECONOVO 1805512 · TMA1010254 · design | Hangzhou Mujia Network Technology Co. ltd | 20 Furniture21 Housewares24 Textiles | Registered | 2018 |
| DEZENBRI 1803640 · TMA1055814 | BOEHRINGER INGELHEIM INTERNATIONAL GMBH | 5 Pharmaceuticals | Registered | 2019 |
| DAZAMPLA 1784481 · TMA1058707 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2019 |
| DockinaPort 1699447 · TMA955769 | an individual | 6 Metal19 Building | Registered | 2016 |
| DOCSINNOVENT 1659702 · TMA947252 | DOCSINNOVENT LIMITED | 10 Medical24 Textiles35 Advertising+1 | Registered | 2016 |
| DECANAV 1568167 · TMA913380 | Biosense Webster, Inc. | 10 Medical | Registered | 2015 |
| DeJump 1490593 · TMA813577 | DEJUMP INC. | 35 Advertising40 Treatment41 Education+1 | Registered | 2011 |
| DUCHAMP 1473978 · TMA843642 | Roffe Accessories, Inc. | 14 Jewellery18 Leather25 Clothing | Registered | 2013 |