| DUOCLEAR 1170454 · TMA672049 | Zodiac Pool Systems LLC | 1 Chemicals9 Electronics11 Lighting | Registered | 2006 |
| diaclara 2346097 | MIRACASE INTERNATIONAL LIMITED | 9 Electronics | Pending | 2024 |
| DACLERAD 1634527 · TMA1032828 | BRISTOL-MYERS SQUIBB COMPANY (A DELAWARE CORPORATION) | 5 Pharmaceuticals | Registered | 2019 |
| DECLAR 0668192 · TMA394273 | CYTEC TECHNOLOGY CORP. (A DELAWARE CORPORATION) | 17 Rubber | Registered | 1992 |
| DIACOLOR 0656403 · TMA390527 | an individual | 3 Cosmetics | Registered | 1991 |
| DECLEOR 0542719 · TMA330915 · design | L'OREAL | 3 Cosmetics5 Pharmaceuticals | Registered | 1987 |
| DYCLEER 0389302 · TMA214789 | an individual | 5 Pharmaceuticals | Registered | 1976 |
| DIGCALLER 2016762 · TMA1185810 | an individual | 38 Telecommunications | Registered | 2023 |
| Decalare 2232311 · TMA1254035 | an individual | 25 Clothing | Registered | 2024 |
| DOOZOLER 2202241 · TMA1239822 · design | Henan Yaobo Home Technology Co., Ltd. | 11 Lighting | Registered | 2024 |
| Docolor 2133354 · TMA1213087 | Shenzhen FengYiTang Technology Co. Ltd | 21 Housewares | Registered | 2023 |
| Docolor 2133353 · TMA1213086 | Shenzhen FengYiTang Technology Co. Ltd | 3 Cosmetics | Registered | 2023 |
| DDSColour 2115925 · TMA1193583 | an individual | 18 Leather | Registered | 2023 |
| DOCHAULER 1847562 · TMA1054313 · design | AppSolution Technologies LLC, a Wisconsin Limited Liability Company | 42 Science | Registered | 2019 |
| DeclarEtre 1798859 · TMA994353 | an individual | 35 Advertising41 Education | Registered | 2018 |
| DIGIHALER 1774846 · TMA1051573 | an individual | 5 Pharmaceuticals9 Electronics10 Medical | Registered | 2019 |
| DIKLOR 1765948 · TMA1065835 | Sabre Intellectual Property Holdings LLC | 1 Chemicals5 Pharmaceuticals37 Construction+1 | Registered | 2019 |
| DUAKLIR 1635958 · TMA957100 | ALMIRALL, S.A. a Spanish company | 5 Pharmaceuticals | Registered | 2016 |
| DACLIRCO 1634528 · TMA1032823 | BRISTOL-MYERS SQUIBB COMPANY (A DELAWARE CORPORATION) | 5 Pharmaceuticals | Registered | 2019 |
| DOUGLER 1627909 · TMA932351 · design | Owner not shown | 25 Clothing | Registered | 2016 |
| DIKLOR 1575090 · TMA899152 | Sabre Intellectual Property Holdings LLC | 40 Treatment | Registered | 2015 |
| DECLARÉ 1196480 · TMA632598 | Troll Cosmetics GmbH | 3 Cosmetics | Registered | 2005 |
| DAZZLER 1182544 · TMA669113 | VANITY FAIR, INC. a corporation organized and existing under the laws of the State of Delaware | 25 Clothing | Registered | 2006 |
| DECOLORSTOP 1105194 · TMA670684 | Henkel AG & Co. KGaA | 3 Cosmetics | Registered | 2006 |
| DECLARATION 1054682 · TMA558072 | RICHEMONT INTERNATIONAL SA | 14 Jewellery | Registered | 2002 |