| DIGITRON 1277880 · TMA740164 | Canadian Tire Corporation, Limited | 9 Electronics | Registered | 2009 |
| DigiTron 2372414 | GEA Farm Technologies GmbH | 7 Machines9 Electronics | Pending | 2024 |
| DOSATRON 1155722 · TMA632843 · design | Owner not shown | 9 Electronics37 Construction42 Science | Registered | 2005 |
| DOSATRON 0727245 · TMA432430 | Owner not shown | 9 Electronics | Registered | 1994 |
| DIGITORQON 1400597 · TMA799426 | Tone Co. Ltd. | 7 Machines8 Hand9 Electronics | Registered | 2011 |
| DIGITROLL 1834925 · TMA1089081 · design | an individual | 7 Machines9 Electronics42 Science | Registered | 2020 |
| DIGITREND 2241391 · design | ADTC SA | 14 Jewellery | Pending | 2022 |
| DECTRON 0896995 · TMA522500 | SOLUTIONS D'AIR DÉSHUMIDIFIÉ INC./DEHUMIDIFIED AIR SOLUTIONS INC. | 9 Electronics | Registered | 2000 |
| DIGITRAK 0885180 · TMA568412 | RENTRAK CORPORATION | 35 Advertising41 Education | Registered | 2002 |
| DISETRONIC 0718884 · TMA428261 | Roche Diabetes Care GmbH, a German corporation | 9 Electronics10 Medical | Registered | 1994 |
| DIGITARIA 1513065 · TMA833215 | Mirum LLC | 35 Advertising42 Science | Registered | 2012 |
| DIGITRACE 1048036 · TMA558286 | NVENT SOLUTIONS (UK) LIMITED | 9 Electronics | Registered | 2002 |
| DIGITRUST 2051119 | Oakpont Consultants Pty Ltd | 9 Electronics35 Advertising42 Science | Pending | 2020 |
| DISTRACTION 1810349 · TMA1063940 | Distraction Wear Inc. | 3 Cosmetics4 Oils8 Hand+10 | Registered | 2019 |
| deegtran 2333395 · TMA1276623 | HANGZHOU TONGLU MINGCHUANG STATIONERY&GIFT.CO.LTD | 16 Paper | Registered | 2024 |
| 3DSTRONGUS 2261576 · TMA1281240 | an individual | 16 Paper | Registered | 2025 |
| Dustronics 2247724 · TMA1265961 | Owner not listed | 3 Cosmetics | Registered | 2024 |
| DISTRIBUTIVE 2246598 · TMA1274325 · design | Distributive Corp. | 42 Science | Registered | 2024 |
| DISTAR 2186307 · TMA1284471 · design | Owner not shown | 7 Machines8 Hand | Registered | 2025 |
| Dstar 2166664 · TMA1219878 | an individual | 11 Lighting | Registered | 2024 |
| DOCTORLOAN 2154350 · TMA1191085 · design | an individual | 10 Medical20 Furniture | Registered | 2023 |
| Dextramer 2149894 · TMA1261076 | an individual | 5 Pharmaceuticals42 Science | Registered | 2024 |
| DEXDRONE 2133281 · TMA1195870 | an individual | 36 Finance | Registered | 2023 |
| DYSTERRA 2111388 · TMA1182788 | Reality MagiQ, Inc. | 9 Electronics41 Education | Registered | 2023 |
| DECOTRAY 2103247 · TMA1188415 | an individual | 16 Paper20 Furniture | Registered | 2023 |