| DANTEL 0643336 · TMA386786 | DANTEL, INC. | 9 Electronics | Registered | 1991 |
| DIANATAL 1845332 · TMA1023074 | an individual | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2019 |
| DYNATHOL 0198218 · UCA30980 | SUN LUBRICANTS AND SPECIALTY PRODUCTS INC. | 4 Oils | Registered | 1948 |
| DENTYL 1940141 · TMA1210236 | Periproducts Limited | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2023 |
| DYNATEL 0690575 · TMA402735 | 3M Company (a Delaware corporation) | 9 Electronics | Registered | 1992 |
| DINTEL 0555045 · TMA321093 | an individual | 29 Meat | Registered | 1986 |
| DAINTAL 2307954 | an individual | 35 Advertising | Pending | 2023 |
| Dauntless 2220457 · TMA1249801 | AGRORA PTE. LTD. | 5 Pharmaceuticals | Registered | 2024 |
| DAUNTLESS 2195270 · TMA1275909 | Alcon Inc. | 10 Medical | Registered | 2024 |
| Dentalux 2187463 · TMA1256364 | LIDL STIFTUNG & CO. KG | 3 Cosmetics21 Housewares | Registered | 2024 |
| DENTALOOP 2168793 · TMA1198199 | Zomedica Inc. | 10 Medical | Registered | 2023 |
| DENTALIFY 2148501 · TMA1204161 · design | an individual | 7 Machines10 Medical | Registered | 2023 |
| DENTAL 99 2041601 · TMA1273644 · design | IP 99 PTE. LTD. | 3 Cosmetics35 Advertising40 Treatment+1 | Registered | 2024 |
| DENTAL 99 2041598 · TMA1273643 | IP 99 PTE. LTD. | 3 Cosmetics35 Advertising40 Treatment+1 | Registered | 2024 |
| Dentallytics 2014646 · TMA1259122 | 9505636 Canada Inc | 42 Science | Registered | 2024 |
| DUNTALK 1981884 · TMA1133841 | an individual | 18 Leather25 Clothing | Registered | 2022 |
| DENTALCIDIN 1973792 · TMA1281765 | Bio-Botanical Research, Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 2025 |
| DENTALOOK 1939645 · TMA1153460 · design | 2663065 Ontario Inc. | 35 Advertising40 Treatment42 Science+1 | Registered | 2022 |
| DENTALOOK 1939643 · TMA1153461 | 2663065 Ontario Inc. | 35 Advertising40 Treatment42 Science+1 | Registered | 2022 |
| DONATELLA 1934419 · TMA1115558 · design | ALEPIN GAUTHIER AVOCATS INC. | 33 Wine | Registered | 2021 |
| DENTALOOK 1931004 · TMA1153457 · design | 2663065 Ontario Inc. | 3 Cosmetics16 Paper18 Leather+7 | Registered | 2022 |
| DENTALOOK 1930477 · TMA1153456 · design | 2663065 Ontario Inc. | 3 Cosmetics16 Paper18 Leather+8 | Registered | 2022 |
| DENTALOOK 1930475 · TMA1153459 | 2663065 Ontario Inc. | 3 Cosmetics16 Paper18 Leather+8 | Registered | 2022 |
| DANDELION 1809602 · TMA1038797 | BENEFIT COSMETICS LLC | 3 Cosmetics | Registered | 2019 |
| DAUNTLESS 1802226 · TMA1052725 | Phoenix Labs, Inc. | 9 Electronics41 Education | Registered | 2019 |