| DEFENCE 0364679 · TMA200360 | Lonsdale BV Investments Inc. | 3 Cosmetics | Registered | 1974 |
| DEFENSE 1787807 · TMA974541 · design | Owner not shown | 31 Fresh | Registered | 2017 |
| DEFENSE 1279243 · TMA672859 | Connor Sport Court International, LLC (a Delaware corporation) | 19 Building | Registered | 2006 |
| DEFENSE 1204801 · TMA630420 | A.M.G. Medical Inc. | 5 Pharmaceuticals10 Medical25 Clothing | Registered | 2005 |
| DEFENSE 1116311 · TMA584299 | FRAM Group IP LLC | 7 Machines | Registered | 2003 |
| DIVENCE 2271826 | an individual | 5 Pharmaceuticals | Pending | 2023 |
| DEFENSE+ 2201173 | Reflection Automotive Inc. | 17 Rubber | Pending | 2022 |
| DEFENCASE 2234195 · TMA1258023 | Shenzhen Junshangmei Technology Co. Ltd. | 9 Electronics18 Leather | Registered | 2024 |
| DEFIANCE 2080267 · TMA1141983 · design | Defiance Machine, Inc. | 13 Firearms | Registered | 2022 |
| DefenAge 2078854 · TMA1211714 | MediCell Technologies LLC | 3 Cosmetics5 Pharmaceuticals | Registered | 2023 |
| DEFIANCE 2051439 · TMA1139781 | Sailun Tire Americas Inc. | 12 Vehicles | Registered | 2022 |
| DEFIANCE 1906385 · TMA1097979 | Defiance Machine, Inc. | 13 Firearms | Registered | 2021 |
| DEFIANCE 1595202 · TMA862609 | Imperial Dade Canada Inc. | 16 Paper17 Rubber | Registered | 2013 |
| DEFIANCE 1489733 · TMA854765 | Penn Fishing Tackle Mfg. Company | 28 Toys | Registered | 2013 |
| DEFIANCE 1387492 · TMA794278 | Edgewell Personal Care Brands, LLC | 3 Cosmetics | Registered | 2011 |
| DEFIANCE 0723241 · TMA432770 | DJO, LLC (a Delaware corporation) | 10 Medical | Registered | 1994 |
| DEFENSA 0887731 · TMA531146 | Pixelle Specialty Solutions LLC | 16 Paper | Registered | 2000 |
| DEFENCATH 1943662 · TMA1149858 | CorMedix Inc. | 5 Pharmaceuticals | Registered | 2022 |
| 1 DEFENSE 1722044 · TMA958344 | Intirion Corporation | 7 Machines11 Lighting | Registered | 2016 |
| DEVENCORE 0630725 · TMA370452 | DEVENCORE INVESTMENTS INC./ INVESTISSEMENTS DEVENCORE INC. | 36 Finance | Registered | 1990 |
| DEBUNK 2216604 · TMA1265498 · design | Motif Labs Ltd. | 3 Cosmetics5 Pharmaceuticals24 Textiles+5 | Registered | 2024 |
| DEBUNK 2216603 · TMA1245456 | Motif Labs Ltd. | 3 Cosmetics5 Pharmaceuticals24 Textiles+5 | Registered | 2024 |
| DOPING 2181967 · TMA1216441 | an individual | 25 Clothing32 Beer | Registered | 2023 |
| DEFUNKD 2179533 · TMA1232360 | an individual | 25 Clothing | Registered | 2024 |
| DIBMS 2172388 · TMA1222356 · design | an individual | 12 Vehicles | Registered | 2024 |