| REFCON 0304314 · TMA154751 | Calucem, Inc. | 19 Building | Registered | 1967 |
| ROBOCAM 1479713 · TMA825755 | ROBOCAM UK Ltd. | 9 Electronics | Registered | 2012 |
| REVSCAN 0428296 · TMA245982 | CANADIAN DIONIC LIMITED | 9 Electronics | Registered | 1980 |
| 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 |
| REVCON 1972433 · TMA1242121 | Silvatec Medical Company, Inc. | 10 Medical | Registered | 2024 |
| 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 |
| RIPZONE 1889512 · TMA1024607 · design | INA International Ltd. | 18 Leather25 Clothing28 Toys | Registered | 2019 |
| RUBICON 1885663 · TMA1119341 | an individual | 7 Machines8 Hand12 Vehicles | Registered | 2022 |
| RBCxMUSIQUE 1877542 · TMA1144139 | ROYAL BANK OF CANADA | 9 Electronics41 Education | Registered | 2022 |
| RBCxMUSIC 1877540 · TMA1123561 | ROYAL BANK OF CANADA | 9 Electronics41 Education | Registered | 2022 |
| RAVISSANTE 1877353 · TMA1075216 · design | an individual | 3 Cosmetics | Registered | 2020 |
| REVISION 1868765 · TMA1062795 | Owner not shown | 9 Electronics42 Science | Registered | 2019 |
| RBSmartScan 1853264 · TMA1092532 | Ricardo Roofing Ltd. | 35 Advertising36 Finance37 Construction+1 | Registered | 2021 |
| ROBOZUNA 1827859 · TMA1085658 | ITV Global Entertainment Limited | 3 Cosmetics5 Pharmaceuticals9 Electronics+13 | Registered | 2020 |
| REVOGENE 1816772 · TMA1007274 | MERIDIAN BIOSCIENCE, INC. | 1 Chemicals9 Electronics10 Medical | Registered | 2018 |