| Deucana 2259676 · TMA1277931 | an individual | 5 Pharmaceuticals | Registered | 2024 |
| DESCAN 1135995 · TMA630992 | DESCO PLUMBING AND HEATING SUPPLY INC. | 35 Advertising | Registered | 2005 |
| Deecam 2257661 · TMA1276386 | Shenzhen Tianlaimei Trading Co. Ltd | 6 Metal | Registered | 2024 |
| Ducaan 2154919 · TMA1206549 | Owner not shown | 24 Textiles | Registered | 2023 |
| DUKANI 2107557 · TMA1168934 | an individual | 26 Sewing | Registered | 2023 |
| DICAN 1960179 · TMA1281622 · design | DiCAN Inc. | 9 Electronics35 Advertising37 Construction+2 | Registered | 2025 |
| DICAN 1960166 · TMA1281623 | DiCAN Inc. | 9 Electronics11 Lighting37 Construction+2 | Registered | 2025 |
| DEACON 1958223 · TMA1224776 | MARKER DALBELLO VÖLKL (INTERNATIONAL) GmbH | 28 Toys | Registered | 2024 |
| DACANA 1764668 · TMA1003562 · design | Dacana.com (CA) Inc. | 35 Advertising | Registered | 2018 |
| DACANA 1764666 · TMA1003561 | Dacana.com (CA) Inc. | 35 Advertising | Registered | 2018 |
| DEXCON 1429796 · TMA792309 | DEXCON | 37 Construction39 Transport44 Medical | Registered | 2011 |
| DESANA 1401359 · TMA762969 | Suntory Flowers Limited | 31 Fresh | Registered | 2010 |
| DASANI 0889739 · TMA517713 | THE COCA-COLA COMPANY | 32 Beer | Registered | 1999 |
| DECON 0619964 · TMA363839 · design | Decon U.S.A. Inc. | 6 Metal | Registered | 1989 |
| DECON 0619963 · TMA363212 · design | Decon U.S.A. Inc. | 6 Metal | Registered | 1989 |
| DEOSAN 0202533 · UCA33405 | an individual | 5 Pharmaceuticals | Registered | 1949 |
| DESCON 2279282 | Owner not listed | 6 Metal7 Machines9 Electronics+4 | Pending | 2023 |
| DEXIAN 2252147 · design | Owner not listed | 9 Electronics35 Advertising37 Construction+2 | Pending | 2023 |
| DEXIAN 2252146 | Owner not listed | 9 Electronics35 Advertising37 Construction+2 | Pending | 2023 |
| DEACON 2203569 · design | WHITMORE MANUFACTURING, LLC | 17 Rubber | Pending | 2022 |
| DOCEAN 2086737 · design | Guangzhou Wangyi Trading Co. Ltd. | 28 Toys | Pending | 2021 |
| DCCSCAN 2050368 | Hail Scan Technologies Inc. | 9 Electronics42 Science | Pending | 2020 |
| DOCKEM 2245439 · TMA1267092 | Organization Solutions, LLC | 9 Electronics18 Leather | Registered | 2024 |
| DIGUAN 2240432 · TMA1260034 | an individual | 26 Sewing | Registered | 2024 |
| DESINO 2232305 · TMA1223937 | Shenzhen Yueshen Technology Co. Ltd. | 20 Furniture | Registered | 2024 |