| DEEGO 2256664 | an individual | 18 Leather | Pending | 2023 |
| DEEJAY 0468963 · TMA265942 | Deejay Group Inc. | 3 Cosmetics14 Jewellery18 Leather+3 | Registered | 1982 |
| DEESIO 2321508 · design | an individual | 14 Jewellery35 Advertising | Pending | 2024 |
| DECO 2271624 · TMA1266078 | Owner not listed | 11 Lighting | Registered | 2024 |
| DOJO 2223375 · TMA1249957 | Paramarg Inc. | 20 Furniture24 Textiles | Registered | 2024 |
| DAECO 2174722 · TMA1206636 | DAEWON APPLIED ENG. CO. | 7 Machines | Registered | 2023 |
| DEKCO 2159247 · TMA1219205 · design | GLAZERO INTERNATIONAL INC | 9 Electronics | Registered | 2024 |
| DOJO 2045422 · TMA1223534 | Paymentsense Limited | 9 Electronics16 Paper35 Advertising+2 | Registered | 2024 |
| DEJI 2021721 · TMA1115094 · design | Shenzhen Huidafa Technology Co.Ltd | 9 Electronics | Registered | 2021 |
| DAEJI 1978962 · TMA1139297 | Dae-Ji Food Group Inc. | 43 Restaurants | Registered | 2022 |
| DEAKO 1893934 · TMA1111694 | Deako, Inc. | 9 Electronics11 Lighting20 Furniture | Registered | 2021 |
| DEKO 1848948 · TMA1156645 | 7912854 CANADA INC. | 20 Furniture | Registered | 2022 |
| DECO 1818357 · TMA1038924 · design | G-Mode Corporation | 9 Electronics25 Clothing28 Toys+1 | Registered | 2019 |
| DAEJA 1679454 · TMA1047530 | 010414 UK Limited | 9 Electronics16 Paper42 Science | Registered | 2019 |
| DECO 1620743 · TMA882055 | Platinum Naturals Ltd. | 5 Pharmaceuticals | Registered | 2014 |
| DECCO 1583584 · TMA910241 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 2015 |
| DECO 1552501 · TMA876793 | LX HAUSYS, Ltd. | 19 Building27 Carpets | Registered | 2014 |
| DOJO 1521698 · TMA856593 · design | Dojo Partners, LLC | 35 Advertising42 Science | Registered | 2013 |
| DOJO 1521629 · TMA856592 · design | Dojo Partners, LLC | 35 Advertising42 Science | Registered | 2013 |
| DOJO 1521626 · TMA856589 | Dojo Partners, LLC | 35 Advertising42 Science | Registered | 2013 |
| DÉSO 1519176 · TMA829899 · design | DÉSO BURGER INC. | 35 Advertising43 Restaurants | Registered | 2012 |
| DECO 1459764 · TMA775257 | DECO Windshield Repair Inc. | 37 Construction | Registered | 2010 |
| DEKIO 1441341 · TMA842259 | an individual | 35 Advertising38 Telecommunications41 Education+1 | Registered | 2013 |
| DESEO 1400098 · TMA814518 | J.LO HOLDING COMPANY LLC | 3 Cosmetics | Registered | 2011 |
| DEKO 1350542 · TMA717113 · design | Advantage Cochrane Sport Inc / Avantage Cochrane Sport Inc | 19 Building | Registered | 2008 |