| DEVLINKS 2291579 | Owner not listed | 7 Machines35 Advertising37 Construction+2 | Pending | 2023 |
| DEVLINKS 2291578 · design | Owner not listed | 7 Machines35 Advertising37 Construction+2 | Pending | 2023 |
| DIVELINK 1852258 · TMA1104719 · design | an individual | 9 Electronics | Registered | 2021 |
| DEVLON 1083418 · TMA582805 | DEVOL ENGINEERING LIMITED | 1 Chemicals2 Paints7 Machines+3 | Registered | 2003 |
| DAVLYN 2015470 · TMA1112065 | Davlyn Manufacturing Co. Inc. | 17 Rubber | Registered | 2021 |
| DUBLIN 1317734 · TMA729741 | ALLAN BLOCK CORPORATION | 19 Building | Registered | 2008 |
| DUVALIN 0387929 · TMA217346 | Intercontinental Great Brands LLC | 30 Coffee | Registered | 1976 |
| DEUBLIN 0349564 · TMA186992 | DEUBLIN COMPANY | 6 Metal7 Machines | Registered | 1972 |
| DEVELON 2309178 | HD Hyundai Infracore Co. Ltd. | 1 Chemicals4 Oils7 Machines+7 | Pending | 2023 |
| DEEPLINES 1053800 · TMA582510 | Owner not shown | 9 Electronics35 Advertising | Registered | 2003 |
| DifBalance 2197885 · TMA1271180 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| DUBLINER 2115853 · TMA1152207 | Ornua Co-operative Limited | 29 Meat | Registered | 2022 |
| DoubleM 2062381 · TMA1156307 | an individual | 28 Toys | Registered | 2022 |
| DIBAOLONG 2030383 · TMA1161043 | Shenzhen FeiFanZhuoYue Trading Co. Ltd | 25 Clothing | Registered | 2023 |
| DIPHOLINE 2029433 · TMA1189139 | an individual | 1 Chemicals3 Cosmetics5 Pharmaceuticals+1 | Registered | 2023 |
| DVILLENA 1947056 · TMA1260449 · design | an individual | 25 Clothing35 Advertising | Registered | 2024 |
| DEEPLENS 1895021 · TMA1116680 | Amazon Technologies, Inc. | 9 Electronics42 Science | Registered | 2021 |
| DOUBLEMAX 1887049 · TMA1070170 | GESTION M.J.P.A. INC. | 11 Lighting | Registered | 2020 |
| DOPPELNÄMER 1872767 · TMA1064022 | an individual | 16 Paper25 Clothing28 Toys | Registered | 2019 |
| Diplomat 1848197 · TMA1079461 | Belchim Crop Protection Canada Inc. | 5 Pharmaceuticals | Registered | 2020 |
| DIPLOMAT 1762205 · TMA1012608 | an individual | 28 Toys | Registered | 2019 |
| DOUBLEMINT 1749020 · TMA1056634 | Wm. Wrigley Jr. Company | 24 Textiles28 Toys | Registered | 2019 |
| DOUBLEMINT 1738479 · TMA1043037 | Wm. Wrigley Jr. Company | 25 Clothing | Registered | 2019 |
| DIPLOMACY 1608519 · TMA868071 | Stardock Systems, Inc. | 9 Electronics41 Education | Registered | 2013 |
| DUBLNATURE 1600351 · TMA870176 · design | Owner not shown | 16 Paper | Registered | 2014 |