| DOGWATCH 0819373 · TMA512617 | Belvoir Media Group, LLC | 16 Paper | Registered | 1999 |
| DOSEWATCH 1560295 · TMA941331 | GE Precision Healthcare LLC | 9 Electronics42 Science | Registered | 2016 |
| DISKATECH 2229802 | Owner not shown | 7 Machines12 Vehicles37 Construction | Pending | 2022 |
| DOSATEST 2256874 · TMA1276300 | VWR International Holdings, Inc. | 1 Chemicals | Registered | 2024 |
| DSDST 2184478 · TMA1230577 | an individual | 6 Metal | Registered | 2024 |
| DOSEEDGE 2161603 · TMA1250894 | BAXTER INTERNATIONAL INC. | 42 Science | Registered | 2024 |
| DOSSEDGE 2160790 · TMA1212213 | BAXTER INTERNATIONAL INC. | 42 Science | Registered | 2023 |
| Dejatek 2160224 · TMA1211083 | an individual | 28 Toys | Registered | 2023 |
| decodesign 2159932 · TMA1226066 | Glaswerke Arnold GmbH & Co. KG | 19 Building | Registered | 2024 |
| DUSTSILVER 2152684 · TMA1237031 · design | Zhejiang Baigedi Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| DUCKDUCKGO 2149856 · TMA1188796 | Duck Duck Go, Inc. | 9 Electronics | Registered | 2023 |
| DOCKSIDES 2132384 · TMA1282483 | an individual | 18 Leather25 Clothing | Registered | 2025 |
| DISTOCAT 2125381 · TMA1189673 · design | an individual | 18 Leather25 Clothing | Registered | 2023 |
| Ducodocu 2121763 · TMA1197709 | an individual | 25 Clothing | Registered | 2023 |
| DISCTECH 2113213 · TMA1211886 | DISCTECH LLC | 35 Advertising42 Science | Registered | 2023 |
| DXDUS 2107102 · TMA1176632 | Shanxi Yusong Electronic Commerce Service Co. Ltd. | 21 Housewares | Registered | 2023 |
| Docatgo 2092310 · TMA1186179 | Shenzhen Ruihuaying Technology co. ltd. | 20 Furniture | Registered | 2023 |
| DISCOTEKA 2077712 · TMA1184829 | an individual | 33 Wine | Registered | 2023 |
| DKIDS 2015160 · TMA1260868 | Unipharma, LLC | 5 Pharmaceuticals | Registered | 2024 |
| DXTECH 2006479 · TMA1141054 · design | Jinan DixiangIntelligent Technology Co., Ltd. | 7 Machines | Registered | 2022 |
| DOCTOCTOC 2000159 · TMA1144317 | Owner not shown | 44 Medical | Registered | 2022 |
| DECIDE4ACTION 1998325 · TMA1105307 | Decide4action Inc. | 9 Electronics42 Science | Registered | 2021 |
| DESKTECH 1988234 · TMA1273469 · design | CTG Brands Inc. | 9 Electronics14 Jewellery16 Paper+1 | Registered | 2024 |
| dockteck 1962147 · TMA1120589 | WANKA TECHNOLOGY LIMITED | 9 Electronics | Registered | 2022 |
| DASHTAK 1949950 · TMA1220854 | Delta Country Farms (BC) Ltd. | 29 Meat30 Coffee31 Fresh+1 | Registered | 2024 |