| RESQTECH 1747893 · TMA977166 | RESQTECH SYSTEMS INC. | 35 Advertising | Registered | 2017 |
| RESQTECH 0667752 · TMA413298 | RESQTECH SYSTEMS INC. | 1 Chemicals6 Metal7 Machines+9 | Registered | 1993 |
| RESTECH 2279272 | Quest Mindshare Inc. | 35 Advertising42 Science | Pending | 2023 |
| RESITECT 1477955 · TMA808329 | Refractory Intellectual Property GmbH & Co. Kg | 19 Building | Registered | 2011 |
| 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 |
| ROXTEC 1502427 · TMA843519 · design | an individual | 16 Paper37 Construction41 Education+1 | Registered | 2013 |
| ROXTEC 1131659 · TMA602571 · design | an individual | 17 Rubber | Registered | 2004 |
| ROCTEC 0669384 · TMA424496 | KENNAMETAL INC. (a Pennsylvania corporation) | 6 Metal19 Building | Registered | 1994 |
| RESTECK 2054514 | Resteck LLC | 10 Medical | Pending | 2020 |
| 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 |