| DISTOCAT 2125381 · TMA1189673 · design | an individual | 18 Leather25 Clothing | Registered | 2023 |
| DUSTSTOP 1684236 · TMA908248 | DUSTSTOP AIR FILTERS INC. | 11 Lighting | Registered | 2015 |
| DUSTGARD 1214757 · TMA637993 | Compass Minerals Ogden Inc. | 4 Oils | Registered | 2005 |
| DUSTEX 1890122 · TMA1088001 | an individual | 1 Chemicals4 Oils | Registered | 2020 |
| DUSTECT 1827001 · TMA1022194 | paragon GmbH & Co. KGaA | 9 Electronics11 Lighting | Registered | 2019 |
| DUSTEC 1138812 · TMA598807 | NUTRIEN (CANADA) HOLDINGS ULC | 1 Chemicals11 Lighting | Registered | 2004 |
| DUSTGUARD 1726695 · TMA928020 | Leviton Manufacturing Co. Inc. | 9 Electronics | Registered | 2016 |
| DUSTSMART 1060969 · TMA561021 | JemPak Corporation | 21 Housewares | Registered | 2002 |
| DUSTGUARD 0725149 · TMA449762 | Hunter Douglas Industries Switzerland GmbH | 2 Paints | Registered | 1995 |
| 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 |
| 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 |