| RHEOSWITCH 1523055 · TMA888124 | Intrexon Corporation | 1 Chemicals5 Pharmaceuticals | Registered | 2014 |
| RECOHITCH 1188216 · TMA651281 | GEORG FISCHER VERKEHRSTECHNIK GMBH | 12 Vehicles | Registered | 2005 |
| ROCKWATCHER 1033053 · TMA605764 | an individual | 7 Machines8 Hand9 Electronics+5 | Registered | 2004 |
| RGWatch 2069588 · TMA1178710 | Securitas Canada Limited | 45 Legal | Registered | 2023 |
| RIGWATCH 1643256 · TMA908713 | Nabors Drilling Technologies USA, Inc. | 9 Electronics | Registered | 2015 |
| ROCKTOUCH 1611484 · TMA891876 · design | FutureLabs Enterprise Co. Ltd. | 9 Electronics | Registered | 2014 |
| RiskWatch 1427569 · TMA782117 | ABILITY Network Inc. | 44 Medical45 Legal | Registered | 2010 |
| RISKWATCH 0651379 · TMA385224 | SS&C Solutions Limited | 9 Electronics36 Finance42 Science | Registered | 1991 |
| RockTech 2218470 | Rock Tech Consulting GmbH | 1 Chemicals6 Metal9 Electronics+2 | Pending | 2022 |
| ROCKTECH 2218469 · design | Rock Tech Consulting GmbH | 1 Chemicals6 Metal9 Electronics+2 | Pending | 2022 |
| RUSTICA 2245570 · TMA1265721 | MASCO CANADA LIMITED | 6 Metal20 Furniture21 Housewares | Registered | 2024 |
| 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 |
| RUSTICA 2190440 · TMA1194073 | MASCO CANADA LIMITED | 11 Lighting | Registered | 2023 |
| 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 |
| RECTICAP 2106406 · TMA1218076 | Owner not shown | 1 Chemicals7 Machines11 Lighting+3 | Registered | 2024 |
| REACTEX 2087256 · TMA1146016 | Soft-Tex International Inc. | 20 Furniture24 Textiles | Registered | 2022 |