| DUOSENSE 1601980 · TMA1011296 | SERTA INC. | 20 Furniture | Registered | 2018 |
| DUOSENSE 1399402 · TMA771884 | N-trig Ltd. | 9 Electronics | Registered | 2010 |
| DOGSENSE 0917753 | BRITISH COLUMBIA SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2006 |
| DOGNESS 1922606 · TMA1069102 · design | DONGGUAN JIASHENG ENTERPRISE CO. LTD. | 3 Cosmetics5 Pharmaceuticals6 Metal+8 | Registered | 2020 |
| DOGNESS 1871721 · TMA1077520 | DONGGUAN JIASHENG ENTERPRISE CO. LTD. | 18 Leather | Registered | 2020 |
| DUOSYNC 1667800 · TMA1049459 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2019 |
| DESENEX 0186012 · UCA19932 | Crown Laboratories, Inc. | 5 Pharmaceuticals | Registered | 1945 |
| DOSANJH 2276736 | an individual | 9 Electronics | Pending | 2023 |
| DUSENZA 2232481 · design | 9474-5874 Quebec inc. | 3 Cosmetics | Pending | 2023 |
| Duosonics 1289167 · TMA688745 | FUJI ELECTRIC CO. LTD. | 9 Electronics | Registered | 2007 |
| DESMOS 2261318 · TMA1283069 | an individual | 9 Electronics16 Paper25 Clothing+1 | Registered | 2025 |
| DOGGINSTIX 2248881 · TMA1263321 | Owner not listed | 31 Fresh | Registered | 2024 |
| DIQMIAQ 2245269 · TMA1264384 | Shanghai Zhenxing Electronic Commerce Co. Ltd. | 16 Paper | Registered | 2024 |
| DECANJOINS 2229070 · TMA1252890 | Guangzhoushi Chenxin Trading Co. Ltd. | 28 Toys | Registered | 2024 |
| DJSIMZ 2224422 · TMA1250050 | DJSIMZ INC., a legal entity | 41 Education | Registered | 2024 |
| DJANGO 2219718 · TMA1237739 | Django LLC | 18 Leather | Registered | 2024 |
| Doking 2205456 · TMA1240187 | an individual | 9 Electronics | Registered | 2024 |
| DOGMX 2132804 · TMA1179466 · design | PetSmart Home Office LLC | 31 Fresh | Registered | 2023 |
| DECIMAS 2130891 · TMA1207465 · design | an individual | 35 Advertising | Registered | 2023 |
| DWGJMYYX 2120418 · TMA1186417 | Shenzhen Dawang International Trade Co. Ltd. | 11 Lighting | Registered | 2023 |
| DJcong 2098562 · TMA1189426 | Shenzhen Jiuyangzhou Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| DEZHUANG 2053706 · TMA1181337 · design | Chongqing Dezhuang Industry (Group) Co. Ltd. | 30 Coffee43 Restaurants | Registered | 2023 |
| DOUGHMAKERS 2048271 · TMA1203715 | Fox Run Holdings, Inc. | 21 Housewares | Registered | 2023 |
| DOCNACHT 2030166 · TMA1266567 | an individual | 11 Lighting | Registered | 2024 |
| DOCNACHT 2030165 · TMA1273600 | an individual | 21 Housewares | Registered | 2024 |