| RHEOCLEAN 1818199 · TMA1066470 | Elementis Specialties, Inc. | 1 Chemicals | Registered | 2019 |
| RECLEANSE 1122470 · TMA586575 | Prairie Naturals Health Products Inc. | 5 Pharmaceuticals | Registered | 2003 |
| ROCLANDA 1926672 · TMA1068330 | Alcon Inc. | 5 Pharmaceuticals | Registered | 2020 |
| ROCKLAND 1408879 · TMA747454 | MASONITE CORPORATION | 6 Metal19 Building | Registered | 2009 |
| ROCKLAND 1334560 · TMA703789 | Fonds de placement immobilier Cominar/Cominar Real Estate Investment Trust | 35 Advertising | Registered | 2007 |
| ROCKLAND 1334555 · TMA703791 · design | Fonds de placement immobilier Cominar/Cominar Real Estate Investment Trust | 35 Advertising | Registered | 2007 |
| ROCKLAND 0884048 · TMA518084 | VALDAN INC. | 14 Jewellery18 Leather25 Clothing | Registered | 1999 |
| ROCLANDA 2294192 | Alcon Inc. | 5 Pharmaceuticals | Pending | 2023 |
| ROCKLAND 2252160 | Owner not listed | 11 Lighting | Pending | 2023 |
| RCLON 1778070 · TMA1016058 | Rakuten Group, Inc. | 42 Science | Registered | 2019 |
| RAGLAN 0575536 · TMA334470 | RAGLAN WELDING SHOP LTD. | 12 Vehicles40 Treatment | Registered | 1987 |
| RSCLIN 2086353 | GENOMIC HEALTH, INC. | 42 Science44 Medical | Pending | 2021 |
| RECLYMAZ 2183940 · TMA1213631 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| REZILIANT 2183100 · TMA1230417 · design | an individual | 25 Clothing | Registered | 2024 |
| ROSALYN 2159278 · TMA1232274 | Atlantic Sea Cucumber Ltd. | 29 Meat | Registered | 2024 |
| ROCKLANDER 2156004 · TMA1226937 · design | an individual | 9 Electronics | Registered | 2024 |
| RESILIENCE 2135198 · TMA1219753 | National Resilience, Inc. | 9 Electronics40 Treatment42 Science | Registered | 2024 |
| Resiliency 365 2134547 · TMA1196962 | Robyne HD Inc. | 9 Electronics14 Jewellery16 Paper+3 | Registered | 2023 |
| RECLINER 2129191 · TMA1187693 | 2777234 Ontario Ltd. | 3 Cosmetics25 Clothing30 Coffee+2 | Registered | 2023 |
| RESOLENE 2119398 · TMA1167163 | FIEBING COMPANY, INC. | 1 Chemicals3 Cosmetics | Registered | 2023 |
| ROSELYNBOUTIQUE 2100313 · TMA1226778 | an individual | 10 Medical | Registered | 2024 |
| Recolene 2053593 · TMA1205788 | MAUSER WERKE GmbH | 1 Chemicals17 Rubber | Registered | 2023 |
| ROSALIND 2047302 · TMA1145902 | Guangzhou Shida Commercial and Trading Co.Ltd. | 3 Cosmetics | Registered | 2022 |
| ROSYLINE 2035625 · TMA1138715 | Jinhua Qiushi E-Commerce Co. Ltd. | 25 Clothing | Registered | 2022 |
| REGALYN 2032616 · TMA1162051 | AS America, Inc. | 11 Lighting | Registered | 2023 |