| RECTICEL 0698984 · TMA423275 · design | Recticel , SA | 17 Rubber | Registered | 1994 |
| RUSTICA 2245570 · TMA1265721 | MASCO CANADA LIMITED | 6 Metal20 Furniture21 Housewares | Registered | 2024 |
| RUSTICA 2190440 · TMA1194073 | MASCO CANADA LIMITED | 11 Lighting | Registered | 2023 |
| RUSTICA 1333984 · TMA714708 | Les Aliments Rustica Inc. / Rustica Foods Inc. | 30 Coffee | Registered | 2008 |
| RUSTICA 1283857 · TMA703874 | STONE CREEK RESORTS INC. | 8 Hand9 Electronics14 Jewellery+7 | Registered | 2007 |
| REACTIC 0627420 · TMA403712 | T.J. SMITH AND NEPHEW, LIMITED | 5 Pharmaceuticals10 Medical | Registered | 1992 |
| RECTISOL 0603089 · TMA368372 | Air Liquide Global E&C Solutions Germany GmbH | 1 Chemicals11 Lighting37 Construction+1 | Registered | 1990 |
| RYSTIGGO 2241889 · TMA1260157 · design | an individual | 5 Pharmaceuticals | Registered | 2024 |
| RYSTIGGO 2239130 · TMA1259874 · design | an individual | 5 Pharmaceuticals | Registered | 2024 |
| RIGHTCARE 2211724 · TMA1244188 | OUTSOURCE PHARMACY SOLUTIONS, INC. DBA EXPRESSMED CORPORATION | 5 Pharmaceuticals10 Medical | Registered | 2024 |
| Raksduz 2210291 · TMA1241777 | an individual | 24 Textiles | Registered | 2024 |
| REACTX 2194759 · TMA1235164 | an individual | 25 Clothing | Registered | 2024 |
| RIGHTSENSE 2171480 · TMA1190033 | an individual | 9 Electronics | Registered | 2023 |
| RYSTIGGO 2160780 · TMA1205416 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| RIGHTSIGHT 2152938 · TMA1189928 | an individual | 9 Electronics | Registered | 2023 |
| RestAssure 2152849 · TMA1266805 | SomnoMed Limited | 9 Electronics10 Medical | Registered | 2024 |
| RockDock 2129467 · TMA1234357 | Beijing Roborock Technology Co. Ltd. | 7 Machines | Registered | 2024 |
| RIGHTCLICK 2116356 · TMA1166078 | an individual | 10 Medical | Registered | 2023 |
| REACTEX 2087256 · TMA1146016 | Soft-Tex International Inc. | 20 Furniture24 Textiles | Registered | 2022 |
| RIGIDSEAL 2077513 · TMA1253547 · design | an individual | 11 Lighting | Registered | 2024 |
| RCTCLEAN 2074135 · TMA1282258 | Radical Combustion Technologies, LLC | 7 Machines | Registered | 2025 |
| RGWatch 2069588 · TMA1178710 | Securitas Canada Limited | 45 Legal | Registered | 2023 |
| RestQ 2059962 · TMA1275552 | Martin & Pleasance North America Inc. | 5 Pharmaceuticals | Registered | 2024 |
| RESATYS 2029689 · TMA1176242 | TargEDys | 5 Pharmaceuticals | Registered | 2023 |
| RIGIDCAST 2018366 · TMA1114605 · design | SHIMANO INC. | 28 Toys | Registered | 2021 |