| DOORFORE 2326609 | Goodie Investments Inc. | 25 Clothing35 Advertising41 Education+1 | Pending | 2024 |
| DARFORD 1906003 · TMA1078342 | CanAm Pet Treats Inc. | 31 Fresh | Registered | 2020 |
| DURAVER 0555604 · TMA328924 | Isola GmbH | 1 Chemicals6 Metal17 Rubber | Registered | 1987 |
| DURFERRIT 0788773 · TMA493146 | Durferrit GmbH | 1 Chemicals3 Cosmetics9 Electronics+5 | Registered | 1998 |
| Drever 2113715 · TMA1181801 | Olight Group Co.Ltd | 8 Hand | Registered | 2023 |
| DURAVR 2057756 · TMA1141401 | ANTERIS TECHNOLOGIES CORPORATION | 10 Medical | Registered | 2022 |
| DURAFORM 1998639 · TMA1136296 | an individual | 11 Lighting | Registered | 2022 |
| DURAFORM 1909157 · TMA1086753 | PPG INDUSTRIES OHIO, INC. | 2 Paints | Registered | 2020 |
| DURAFORM 1859250 · TMA1055301 | 3D Systems, Inc. | 1 Chemicals | Registered | 2019 |
| DoorBird 1847868 · TMA1053453 | Bird Home Automation GmbH | 7 Machines9 Electronics38 Telecommunications+1 | Registered | 2019 |
| DRIVER 1819436 · TMA1021289 | SALOMON SAS | 9 Electronics | Registered | 2019 |
| DRVR 1817705 · TMA1045196 | ROYAL BANK OF CANADA | 9 Electronics36 Finance | Registered | 2019 |
| DRAPER 1733310 · TMA945123 | Draper, Inc. | 19 Building20 Furniture | Registered | 2016 |
| DRAPER 1732158 · TMA945122 | Draper, Inc. | 6 Metal7 Machines9 Electronics+4 | Registered | 2016 |
| DROPFORT 1656300 · TMA901320 | Coldfront Labs Inc. | 9 Electronics42 Science | Registered | 2015 |
| DARFRESH 1513920 · TMA927144 | Cryovac, LLC | 7 Machines17 Rubber | Registered | 2016 |
| DURAFORM 1148021 · TMA589215 | Duraform, Ltd. | 6 Metal19 Building | Registered | 2003 |
| DURABERM 1069578 · TMA566344 | WESTERN SOLUTIONS 2000 LTD. | 6 Metal | Registered | 2002 |
| DRIVER 1027230 · TMA562256 · design | Quincaillerie Richelieu Ltee/Richelieu Hardware Ltd. | 7 Machines | Registered | 2002 |
| DARAFORM 0714154 · TMA426029 | ACTEGA DS GmbH | 17 Rubber | Registered | 1994 |
| DARIFARM 0696545 · TMA485352 | Kraft Foods Group Brands LLC | 29 Meat | Registered | 1997 |
| DURAFARM 0381206 · TMA238161 | Petro-Canada Lubricants Inc. | 4 Oils | Registered | 1979 |
| DURAFORK 2355891 | Owner not listed | 6 Metal8 Hand11 Lighting+2 | Pending | 2024 |
| DRYVR 2266699 · design | an individual | 18 Leather25 Clothing28 Toys | Pending | 2023 |