| DURATIP 2128146 · TMA1195774 | Parkell, Inc. | 10 Medical | Registered | 2023 |
| DURATIP 1123556 · TMA592570 | TERRASOURCE GLOBAL CORPORATION | 7 Machines | Registered | 2003 |
| DARDOPETS 2264715 · TMA1284884 · design | Guangzhou Yuanyun Trading LTD | 21 Housewares | Registered | 2025 |
| DIRTBAG 2062189 · TMA1203799 | an individual | 30 Coffee | Registered | 2023 |
| DAREDEVIL 2010693 · TMA1145467 | Robert Bosch Tool Corporation | 7 Machines | Registered | 2022 |
| DartFusion 2009018 · TMA1109453 | Oliden Technology, LLC | 9 Electronics | Registered | 2021 |
| DAARTPODS 1996137 · TMA1255864 · design | West Coast Gifts Incorporated | 9 Electronics34 Tobacco | Registered | 2024 |
| DOOR2DEPOT 1967370 · TMA1228666 | SUKHWINDER JOHAL DOOR2DEPOT LTD. | 9 Electronics39 Transport40 Treatment | Registered | 2024 |
| Dartboarder 1933081 · TMA1178162 | Dartboard Trips Inc. | 36 Finance39 Transport41 Education+1 | Registered | 2023 |
| DUROTOP 1840285 · TMA1024550 | Alpha-Vico Inc.. | 20 Furniture | Registered | 2019 |
| DIRTBANK 1745404 · TMA1005624 | Dirtbank Inc. | 14 Jewellery16 Paper21 Housewares+1 | Registered | 2018 |
| DAREDEVIL 1645926 · TMA1031380 | Coty US LLC | 3 Cosmetics | Registered | 2019 |
| DIRTBELLY 1640424 · TMA922033 | Dirtbelly Inc. | 6 Metal8 Hand14 Jewellery+13 | Registered | 2015 |
| DURATOP 1535974 · TMA846848 | an individual | 7 Machines | Registered | 2013 |
| DAREDEVIL 1376039 · TMA743102 | Proven Winners North America LLC (a California limited liability company) | 31 Fresh | Registered | 2009 |
| DARTFISH 1318386 · TMA759146 | Dartfish SA | 9 Electronics38 Telecommunications41 Education+2 | Registered | 2010 |
| DARTDEVICES 1272242 · TMA781794 | DARTdevices Corporation | 9 Electronics | Registered | 2010 |
| DAREDEVIL 1251979 · TMA688886 · design | 8040168 CANADA INC. | 12 Vehicles | Registered | 2007 |
| DAREDEVIL 1090921 · TMA610457 · design | 8040168 CANADA INC. | 16 Paper18 Leather25 Clothing | Registered | 2004 |
| DERTOPHENE 1055427 · TMA575746 | Owner not shown | 17 Rubber | Registered | 2003 |
| DURATUFF 0882344 · TMA558014 | INTELPROP AUTHORITY INC. | 9 Electronics | Registered | 2002 |
| DURADIAFAL 0784891 · TMA462813 | EssilorLuxottica Canada Inc. | 29 Meat40 Treatment | Registered | 1996 |
| DIRTBUSTER 0699589 · TMA421445 | THE BLACK & DECKER CORPORATION | 7 Machines | Registered | 1993 |
| DIRTBUSTER 0493858 · TMA286537 | Lynco Products Inc. | 3 Cosmetics | Registered | 1984 |
| DURATAPE 0328279 · TMA172151 | Duracell U.S. Operations, Inc. | 9 Electronics11 Lighting | Registered | 1970 |