| DENTORIUM 0812458 · TMA497615 · design | DENTORIUM PRODUCTS CO. INC. | 3 Cosmetics4 Oils5 Pharmaceuticals+16 | Registered | 1998 |
| DANTARI 2005072 · TMA1133201 | Dantari, Inc. | 5 Pharmaceuticals40 Treatment | Registered | 2022 |
| DANTHERM 1614742 · TMA923310 | Owner not shown | 7 Machines9 Electronics11 Lighting | Registered | 2015 |
| DANTROL 1045092 · TMA587805 | Amorepacific Corporation | 3 Cosmetics | Registered | 2003 |
| dawntrees 2223196 · TMA1248808 | Changzhou Weixing Computer Room Equipment Co., Ltd | 9 Electronics | Registered | 2024 |
| DANDERINE 0990696 · NFLD696 | STERLING DRUG LTD. | 3 Cosmetics | Registered | 1918 |
| DENTURITE 0321132 · TMA167862 | Combe Incorporated (a Delaware corporation) | 5 Pharmaceuticals | Registered | 1970 |
| Dawntrail 2295047 | Kabushiki Kaisha Square Enix (also trading as Square Enix Co. Ltd.) | 9 Electronics16 Paper28 Toys+1 | Pending | 2023 |
| DynaDry 2257367 · TMA1273196 | SAMELA, INC. | 5 Pharmaceuticals | Registered | 2024 |
| DYNATERRAIN 2183573 · TMA1229628 · design | QINGDAO COSMIC EVERGREEN TIRECO. LTD | 12 Vehicles | Registered | 2024 |
| DENTARMOR 2177658 · TMA1264023 · design | an individual | 10 Medical25 Clothing | Registered | 2024 |
| DONDERRA 2136766 · TMA1223711 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| DMITRIY 2093405 · TMA1191603 | Dmitriy & Company LLC | 11 Lighting20 Furniture35 Advertising | Registered | 2023 |
| DINITROL 2073339 · TMA1284033 · design | Dinol GmbH | 1 Chemicals2 Paints3 Cosmetics+2 | Registered | 2025 |
| DIMADRAW 2072779 · TMA1191549 | Dimachem Inc. | 1 Chemicals2 Paints4 Oils | Registered | 2023 |
| DIMATREAT 2072778 · TMA1191548 | Dimachem Inc. | 1 Chemicals | Registered | 2023 |
| Dynatrope 1982315 · TMA1124277 | Neksportek Corp. | 5 Pharmaceuticals | Registered | 2022 |
| DENTRO 1910116 · TMA1099367 · design | an individual | 25 Clothing | Registered | 2021 |
| DNTRO 1910114 · TMA1097883 · design | an individual | 25 Clothing | Registered | 2021 |
| DAINTREE 1905427 · TMA1092807 | Daintree Networks, Inc. | 9 Electronics | Registered | 2021 |
| DEMETRES 1870364 · TMA1082975 · design | DEMETRES IP HOLDINGS LTD. | 30 Coffee35 Advertising43 Restaurants | Registered | 2020 |
| DEMETRES 1870361 · TMA1082981 · design | DEMETRES IP HOLDINGS LTD. | 30 Coffee35 Advertising43 Restaurants | Registered | 2020 |
| DEMETER 1796439 · TMA1159664 | an individual | 1 Chemicals5 Pharmaceuticals29 Meat+4 | Registered | 2023 |
| DEANTIRES 1761893 · TMA1026327 · design | Les Schwab Warehouse Center, LLC | 12 Vehicles | Registered | 2019 |
| DEMETER 1759246 · TMA1010304 | Demeter Holdings Limited | 35 Advertising36 Finance | Registered | 2018 |