| DLION 2128464 · TMA1189821 | an individual | 9 Electronics11 Lighting | Registered | 2023 |
| DALLAN 1908098 · TMA1107934 | an individual | 7 Machines9 Electronics | Registered | 2021 |
| DELON+ 1899273 · TMA1102691 · design | LABORATOIRES DELON (1990) INC. | 3 Cosmetics5 Pharmaceuticals | Registered | 2021 |
| DIALYN 1870786 · TMA1037246 · design | 168406 CANADA INC. | 6 Metal9 Electronics12 Vehicles | Registered | 2019 |
| DELON 1766263 · TMA986592 · design | LABORATOIRES DELON (1990) INC. | 3 Cosmetics5 Pharmaceuticals | Registered | 2017 |
| DELEÓN 1658829 · TMA1027261 | DELEON HOLDCO LLC | 33 Wine | Registered | 2019 |
| DALLAN 1636175 · TMA940726 | DALLAN S.P.A. joint stock company | 37 Construction42 Science | Registered | 2016 |
| DALLAN 1468754 · TMA795058 | an individual | 7 Machines | Registered | 2011 |
| DULON 0591411 · TMA348439 | Joelee Corporation | 26 Sewing | Registered | 1988 |
| DIOLEN 0286422 · TMA141679 | Polyester High Performance GmbH | 22 Ropes24 Textiles25 Clothing | Registered | 1965 |
| DYLON 0205802 · UCA35583 | Henkel Limited | 1 Chemicals2 Paints3 Cosmetics+1 | Registered | 1950 |
| DILLENIA 2094679 · TMA1150706 | JJ Acquisition, LLC | 10 Medical | Registered | 2022 |
| DILANNI 1920939 · TMA1112249 | an individual | 25 Clothing | Registered | 2021 |
| DILIANO 1691262 · TMA936340 · design | SPENCER & LI INTERNATIONAL INC. | 30 Coffee | Registered | 2016 |
| DIALENE 1680999 · TMA940001 | Scivation, Inc. | 5 Pharmaceuticals | Registered | 2016 |
| DELLUNA 2297918 · design | Yiwu Deluna Import and Export Co. Ltd | 27 Carpets | Pending | 2023 |
| Dylan 2281303 · TMA1222577 | MARK ANTHONY GROUP INC. | 3 Cosmetics4 Oils9 Electronics+6 | Registered | 2024 |
| Delamu 2253595 · TMA1271578 | Shenzhen Delamu Supply Chain Co. Ltd. | 21 Housewares | Registered | 2024 |
| Deilin 2196924 · TMA1246410 | Shangrao Yihan E-Commerce Co., Ltd. | 25 Clothing | Registered | 2024 |
| DOLHINI 2175006 · TMA1226145 | ANSHAN GREENAPPLE STATIONERY CO.LTD. | 16 Paper | Registered | 2024 |
| Delamu 2157070 · TMA1208834 | Shenzhen Delamu Supply Chain Co. Ltd. | 9 Electronics | Registered | 2023 |
| DELM 2092837 · TMA1150652 · design | AKIRA20 LLC | 7 Machines | Registered | 2022 |
| Dylan 2046754 · TMA1222576 | DARK TWISTED SYMPHONY GmbH | 3 Cosmetics4 Oils9 Electronics+6 | Registered | 2024 |
| dolemi 2044019 · TMA1169617 | Guangdong Zhongshun Paper Industry Group Co. Ltd. | 5 Pharmaceuticals | Registered | 2023 |
| DALINA 2043199 · TMA1278311 | Dalina Investments Inc. | 16 Paper29 Meat30 Coffee+2 | Registered | 2024 |