| DOLIFE 2187484 | DOLIFE Technologies Incorporated | 9 Electronics35 Advertising42 Science | Pending | 2022 |
| DAYLIFE 1316547 · TMA750816 | Daylife, Inc. | 35 Advertising38 Telecommunications41 Education | Registered | 2009 |
| Dilif 2210618 · TMA1242946 | Guangzhou Wanxin Chengxing Trading Co., Ltd. | 16 Paper | Registered | 2024 |
| DLIVE 1724093 · TMA994492 · design | Allen & Heath Limited | 9 Electronics | Registered | 2018 |
| DUOLUBE 1289007 · TMA687046 | BAUSCH & LOMB INCORPORATED | 5 Pharmaceuticals | Registered | 2007 |
| DOLFI 0115840 · TMDA36383 | Owner not shown | 33 Wine | Registered | 1924 |
| 3DLife 2026956 | an individual | 41 Education | Pending | 2020 |
| DLIVE 1902553 · design | Pickering Developments (Bayly) Inc. | 25 Clothing35 Advertising36 Finance+5 | Pending | 2018 |
| DLIVE 1902552 | Pickering Developments (Bayly) Inc. | 25 Clothing35 Advertising36 Finance+5 | Pending | 2018 |
| DualView 2239004 · TMA1258355 | TERUMO KABUSHIKI KAISHA (TERUMO CORPORATION) | 10 Medical | Registered | 2024 |
| DIOLV 2207894 · TMA1242775 | Quanzhou Aile Sanitary Products Co., Ltd. | 10 Medical | Registered | 2024 |
| Dewulf 2155926 · TMA1191120 | an individual | 7 Machines12 Vehicles35 Advertising | Registered | 2023 |
| DAILYPAY 2147872 · TMA1239552 | DailyPay, Inc. | 9 Electronics36 Finance38 Telecommunications+1 | Registered | 2024 |
| DAILYPAY. 2147870 · TMA1239551 · design | DailyPay, Inc. | 9 Electronics36 Finance38 Telecommunications+1 | Registered | 2024 |
| DlbvFoy 2141929 · TMA1200328 | Dongguan Zhouyouxi Network Technology Co. Ltd. | 21 Housewares | Registered | 2023 |
| DELVE 2049005 · TMA1273736 | Google LLC | 9 Electronics42 Science | Registered | 2024 |
| DELVE 2031007 · TMA1117014 | Briggs & Riley Travelware, LLC | 18 Leather | Registered | 2022 |
| DeLeif 2024045 · TMA1141211 | Coastal Delight Fine Food and Drinks Inc. | 29 Meat32 Beer33 Wine+1 | Registered | 2022 |
| DUOLAB 2020829 · TMA1269390 | an individual | 3 Cosmetics7 Machines11 Lighting | Registered | 2024 |
| DAILUBE 2014442 · TMA1163167 | DIC Corporation | 1 Chemicals | Registered | 2023 |
| DALVEY 2008678 · TMA1171888 | GRANTS OF DALVEY LIMITED | 9 Electronics14 Jewellery18 Leather+1 | Registered | 2023 |
| DELVO 1989649 · TMA1133866 | an individual | 1 Chemicals5 Pharmaceuticals9 Electronics+2 | Registered | 2022 |
| DELPHIA 1943110 · TMA1169308 | Delphia Holdings Corp. | 42 Science | Registered | 2023 |
| DAILYPAY 1928171 · TMA1120184 · design | DailyPay, Inc. | 9 Electronics36 Finance38 Telecommunications+1 | Registered | 2022 |
| DELOUPE 1887796 · TMA1160837 | Deloupe inc. | 6 Metal12 Vehicles35 Advertising+2 | Registered | 2023 |