| DUARTZ 1804043 · TMA1058282 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| DARTS 1250100 · TMA781822 | CANADIAN IMPERIAL BANK OF COMMERCE | 16 Paper36 Finance | Registered | 2010 |
| DARTS 0478540 · TMA271769 | PrimeSource Building Products, Inc. | 6 Metal | Registered | 1982 |
| DARTS 2027873 | 10176494 CANADA INC. | 34 Tobacco | Pending | 2020 |
| DARTEK 0333452 · TMA174747 | Coveris Flexibles Canada Inc. | 17 Rubber | Registered | 1971 |
| DRITZ 1941654 · TMA1221784 · design | Prym Consumer USA Inc. | 2 Paints3 Cosmetics4 Oils+16 | Registered | 2024 |
| DRITZ 1179257 · TMA671329 · design | Prym Consumer USA Inc. | 1 Chemicals8 Hand9 Electronics+5 | Registered | 2006 |
| DRITZ 1179256 · TMA637467 · design | Prym Consumer USA Inc. | 1 Chemicals3 Cosmetics6 Metal+9 | Registered | 2005 |
| DRITZ 0295891 · TMA155404 | Prym Consumer USA Inc. | 7 Machines8 Hand9 Electronics+3 | Registered | 1968 |
| DioARTS 2269578 | Kabushiki Kaisha Square Enix (also trading as Square Enix Co. Ltd.) | 9 Electronics41 Education | Pending | 2023 |
| DirtSense 2279182 · TMA1233045 | Yunjing Intelligence Innovation (Shenzhen) Co. Ltd. | 7 Machines | Registered | 2024 |
| DRAYTEK 2226509 · TMA1251356 | DrayTek Corp | 9 Electronics | Registered | 2024 |
| DAIERTEK 2219189 · TMA1246937 | Wenzhou Daiertek Electric Co.,Ltd. | 15 Musical | Registered | 2024 |
| DIRTXIND 2198254 · TMA1237430 | Formula Motorsports Group Pty Ltd Trustee for FSP Trust | 12 Vehicles | Registered | 2024 |
| Daretech 2157804 · TMA1218364 | Shenzhen Geeke Vapor Technology Co.Ltd. | 34 Tobacco | Registered | 2024 |
| DURAWATCH 2151231 · TMA1239566 | an individual | 9 Electronics38 Telecommunications39 Transport | Registered | 2024 |
| drutex 2123985 · TMA1188494 | an individual | 6 Metal19 Building35 Advertising+1 | Registered | 2023 |
| DIYARDAGE 2092486 · TMA1186184 | TVF, Inc. | 35 Advertising | Registered | 2023 |
| DURAEDGE 2048367 · TMA1239393 | Sealy Technology LLC | 20 Furniture | Registered | 2024 |
| DAIRYTECH 1979201 · TMA1226622 | More Than Just Feed Inc. | 1 Chemicals5 Pharmaceuticals7 Machines+12 | Registered | 2024 |
| DAIRYTECH 1979200 · TMA1226621 · design | More Than Just Feed Inc. | 1 Chemicals5 Pharmaceuticals7 Machines+12 | Registered | 2024 |
| DORITOS 1969104 · TMA1176870 · design | Frito-Lay North America, Inc. | 30 Coffee | Registered | 2023 |
| DURADECOR 1953687 · TMA1197402 · design | Novalis Holdings Limited, (a corporation of Hong Kong) | 27 Carpets | Registered | 2023 |
| DuraDecor 1953681 · TMA1198394 | Novalis Holdings Limited, (a corporation of Hong Kong) | 27 Carpets | Registered | 2023 |
| DIRTEX 1953462 · TMA1225588 | The Savogran Company | 3 Cosmetics | Registered | 2024 |