| REVCON 1972433 · TMA1242121 | Silvatec Medical Company, Inc. | 10 Medical | Registered | 2024 |
| REVISION 1868765 · TMA1062795 | Owner not shown | 9 Electronics42 Science | Registered | 2019 |
| REVISION 1716786 · TMA932859 | Reyewear Acquisition, Inc. | 3 Cosmetics9 Electronics21 Housewares | Registered | 2016 |
| RAPISCAN 1701890 · TMA948357 | Rapiscan Systems, Inc. | 9 Electronics37 Construction42 Science | Registered | 2016 |
| REVISION 1192474 · TMA632602 | Reyewear Acquisition, Inc. | 35 Advertising42 Science | Registered | 2005 |
| RAPISCAN 2070539 | Instrumentarium Holdings, Inc. | 5 Pharmaceuticals | Pending | 2020 |
| repsCANADA 1575304 · TMA859173 | PATCHELL HOLDINGS INC. | 35 Advertising38 Telecommunications42 Science | Registered | 2013 |
| REFCAM 1866162 · TMA1110209 | an individual | 9 Electronics | Registered | 2021 |
| ROVCON 1003632 · TMA535357 | an individual | 7 Machines8 Hand9 Electronics+2 | Registered | 2000 |
| REFCON 0304314 · TMA154751 | Calucem, Inc. | 19 Building | Registered | 1967 |
| REVVSUN 2250100 · design | Mtysun Auto Parts Co. Ltd. | 7 Machines | Pending | 2022 |
| REVISION3 2126232 | Owner not shown | 9 Electronics | Pending | 2021 |
| REVISCIENCE 2170125 | an individual | 5 Pharmaceuticals | Pending | 2021 |
| RUBICON 2217585 · TMA1245507 | Enerco Group, Inc. | 11 Lighting | Registered | 2024 |
| Rofusn 2181671 · TMA1229571 | ROFUSN LIMITED | 14 Jewellery | Registered | 2024 |
| Rabjen 2176739 · TMA1228097 | an individual | 18 Leather | Registered | 2024 |
| RPGMAKER 2165283 · TMA1272498 | Gotcha Gotcha Games Inc. | 9 Electronics42 Science | Registered | 2024 |
| REPIGMENT12 2113062 · TMA1268242 | an individual | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| ROBOJAM 2029528 · TMA1118071 | Thryv, Inc. | 38 Telecommunications42 Science | Registered | 2022 |
| REVISCENTALIS 1964314 · TMA1139987 | an individual | 3 Cosmetics | Registered | 2022 |
| RIPZONE 1957810 · TMA1220876 · design | INA International Ltd. | 9 Electronics18 Leather25 Clothing+1 | Registered | 2024 |
| RIPZONE 1957701 · TMA1220875 · design | INA International Ltd. | 9 Electronics18 Leather25 Clothing+1 | Registered | 2024 |
| RIPZONE 1957700 · TMA1220874 | INA International Ltd. | 9 Electronics18 Leather25 Clothing+1 | Registered | 2024 |
| RABACONDA 1941773 · TMA1197403 · design | Owner not shown | 8 Hand12 Vehicles | Registered | 2023 |
| ROVECONCEPTS 1912173 · TMA1115298 | ROVE CONCEPTS LTD. | 9 Electronics12 Vehicles16 Paper+1 | Registered | 2021 |