| DOCCLE 1740124 · TMA966654 · design | Doccle.Up, Naamloze vennootschap (a limited company organised and existing under the laws of Belgium) | 35 Advertising36 Finance38 Telecommunications+1 | Registered | 2017 |
| DOCCLE 1740122 · TMA966650 | Doccle.Up, Naamloze vennootschap (a limited company organised and existing under the laws of Belgium) | 35 Advertising36 Finance38 Telecommunications+1 | Registered | 2017 |
| DOCOL 1360531 · TMA778381 | an individual | 6 Metal | Registered | 2010 |
| DOCOL 1091780 · TMA599409 | an individual | 11 Lighting21 Housewares | Registered | 2004 |
| dokela 2361497 | Owner not listed | 25 Clothing | Pending | 2024 |
| DOCAL 2331635 | 3075109 Canada Inc. | 7 Machines11 Lighting37 Construction+1 | Pending | 2024 |
| dosili 2144376 | Shenzhen Chuangwei Precision Electronics Co. Ltd. | 9 Electronics | Pending | 2021 |
| DOGZILLA 1753684 · TMA995797 · design | DOSKOCIL MANUFACTURING COMPANY, INC. (a corporation of Texas) | 18 Leather20 Furniture28 Toys | Registered | 2018 |
| DUOCELL 2130679 · TMA1222133 · design | Owner not shown | 20 Furniture24 Textiles | Registered | 2024 |
| DOOCELL 1552134 · TMA882462 | Doosan Infracore America Corporation (A New York Corporation) | 7 Machines9 Electronics | Registered | 2014 |
| DOWICIL 0284991 · TMA140305 | The Dow Chemical Company | 5 Pharmaceuticals | Registered | 1965 |
| DOSILIO 2347130 | Owner not listed | 11 Lighting | Pending | 2024 |
| 3DSL 2240966 · TMA1247321 | Owner not listed | 9 Electronics42 Science | Registered | 2024 |
| DAZZLE 2234115 · TMA1255322 | THOR TECH, INC. | 12 Vehicles | Registered | 2024 |
| DEKALA 2232702 · TMA1279084 · design | Shenzhen Fengdaxia Software Technology Co. Ltd. | 14 Jewellery | Registered | 2024 |
| Dakuly 2210634 · TMA1244153 | GUANGZHOU KECHUANG TRADING CO., LIMITED | 18 Leather20 Furniture | Registered | 2024 |
| DIESEL 2176489 · TMA1223843 | an individual | 10 Medical | Registered | 2024 |
| DIAGEL 2167401 · TMA1201928 · design | Van Beek Natural Science, LLC | 5 Pharmaceuticals | Registered | 2023 |
| DAXSOL 2131047 · TMA1223689 · design | UBE CORPORATION EUROPE S.A.U. | 17 Rubber | Registered | 2024 |
| DUOSHEL 2116205 · TMA1166075 | an individual | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| Daxwell 2109324 · TMA1177831 | Daxwell | 6 Metal8 Hand10 Medical+1 | Registered | 2023 |
| Dioycli 2107668 · TMA1177722 | Shenzhen Yizhong Industrial Co. Ltd | 21 Housewares | Registered | 2023 |
| DACLAY 2097293 · TMA1173670 · design | Wenzhou Guochen Footwear Industry Co.Ltd. | 25 Clothing | Registered | 2023 |
| DAZCOLO 2095936 · TMA1172626 | Guangzhou Shoujia Electronic Technology Co.Ltd. | 21 Housewares | Registered | 2023 |
| DAZLIA 2084049 · TMA1190494 | an individual | 3 Cosmetics5 Pharmaceuticals10 Medical+2 | Registered | 2023 |