| REJECTOMAT 0512553 · TMA294188 | Voith Patent GmbH | 9 Electronics | Registered | 1984 |
| RESYSTA 1701117 · TMA993245 | Patenta Asia Ltd. | 6 Metal9 Electronics11 Lighting+7 | Registered | 2018 |
| REGISTA 1648588 · TMA945899 | an individual | 28 Toys | Registered | 2016 |
| REXISTA 1496411 · TMA859297 | INTELLIPHARMACEUTICS CORP. | 5 Pharmaceuticals42 Science | Registered | 2013 |
| RESISTA 1399569 · TMA759054 | CCA Global Partners, Inc. | 3 Cosmetics | Registered | 2010 |
| Resista 1159998 · TMA619673 | an individual | 6 Metal7 Machines8 Hand+6 | Registered | 2004 |
| RISISSIDA 2214349 · TMA1244387 | Enhong Network Technology (Hangzhou) Co., Ltd. | 25 Clothing | Registered | 2024 |
| RUCKCAST 2162300 · TMA1189975 | Ruckus IP Holdings LLC | 41 Education | Registered | 2023 |
| RESQSYSTEM 2159744 · TMA1193990 | ZOLL Medical Corporation | 10 Medical | Registered | 2023 |
| RUCKCAST 2136996 · TMA1179500 | Ruckus IP Holdings LLC | 9 Electronics | Registered | 2023 |
| RAGCUSTOM 2124077 · TMA1198808 | 9295-6713 Québec inc. f.a.s. FAKTORY 66 | 21 Housewares25 Clothing | Registered | 2023 |
| RAQUEST 2090976 · TMA1207188 | RAQUEST GmbH | 9 Electronics36 Finance42 Science | Registered | 2023 |
| RequisIT 2075022 · TMA1163562 | an individual | 42 Science | Registered | 2023 |
| RESISTOL 1927 2068300 · TMA1147032 | RHE Hatco, Inc. | 25 Clothing | Registered | 2022 |
| RICESTRAWS 2066318 · TMA1158243 · design | an individual | 21 Housewares | Registered | 2022 |
| 360RACAST 2036166 · TMA1129302 | Sony Group Corporation | 9 Electronics | Registered | 2022 |
| ROCKEAST 2010970 · TMA1259098 · design | Rockeast Energy Corp. | 35 Advertising36 Finance40 Treatment+1 | Registered | 2024 |
| ROCKEAST 2006119 · TMA1258931 | Rockeast Energy Corp. | 36 Finance40 Treatment42 Science | Registered | 2024 |
| RESEAUEQUITABLE 1981255 · TMA1250549 | THE EQUITABLE LIFE INSURANCE COMPANY OF CANADA | 36 Finance | Registered | 2024 |
| RXQUEST 1952169 · TMA1119271 · design | SAILUN GROUP CO. LTD. | 12 Vehicles | Registered | 2022 |
| RACESCOUT 1921621 · TMA1124781 | an individual | 9 Electronics38 Telecommunications39 Transport | Registered | 2022 |
| REGISTER 1899268 · TMA1106240 | Interprovincial Cooperative Limited | 5 Pharmaceuticals | Registered | 2021 |
| RUCKUSDIGITAL 1895662 · TMA1081934 | APEX PUBLIC RELATIONS INC. | 35 Advertising41 Education42 Science | Registered | 2020 |
| RACASTEC 1845202 · TMA1047592 · design | Sumitomo Dainippon Pharma Co. Ltd. | 5 Pharmaceuticals | Registered | 2019 |
| RACASTEC 1845186 · TMA1047627 · design | Sumitomo Dainippon Pharma Co. Ltd. | 5 Pharmaceuticals | Registered | 2019 |