| ROMARK 1772375 · TMA1023304 | an individual | 5 Pharmaceuticals42 Science | Registered | 2019 |
| ROOMARK 2325418 | REDLIFE NETWORK CO.LTD. | 7 Machines9 Electronics11 Lighting+1 | Pending | 2024 |
| ROMARX 2264116 · TMA1283355 · design | an individual | 12 Vehicles | Registered | 2025 |
| RAYMARK 0850836 · TMA510058 | Raymark ULC | 9 Electronics16 Paper42 Science | Registered | 1999 |
| REMARK 0764600 · TMA457021 · design | an individual | 36 Finance | Registered | 1996 |
| REMARK 0763513 · TMA450767 | an individual | 36 Finance | Registered | 1995 |
| REMARK 0716207 · TMA439422 | an individual | 9 Electronics41 Education | Registered | 1995 |
| RAINMARK 1307951 · TMA760342 | RAINMARK MEDIA INC. | 35 Advertising | Registered | 2010 |
| REMARX 1409735 · TMA802690 · design | STAPLES, INC. | 16 Paper | Registered | 2011 |
| ROMARIZ 0846963 · TMA501189 | INTERNATIONAL DRINKS LIMITED | 33 Wine | Registered | 1998 |
| ROOMERS 2299124 | Owner not listed | 43 Restaurants | Pending | 2023 |
| ROAMWORKS 1462713 · TMA910492 | Roamworks Research Development GmbH | 7 Machines9 Electronics35 Advertising+3 | Registered | 2015 |
| REMARKETER 2245655 · TMA1272762 | Apostrophe Solutions Corp. | 35 Advertising36 Finance42 Science | Registered | 2024 |
| RUNERGY 2194574 · TMA1235131 · design | Jiangsu Runergy New Energy Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| REMARKABLY 1974888 · TMA1163831 | Repivotly LLC | 9 Electronics35 Advertising42 Science | Registered | 2023 |
| RHINOROC 1919961 · TMA1097476 | LES SURFACES RHINOROC INC. | 37 Construction39 Transport | Registered | 2021 |
| RYNOWORX 1898798 · TMA1138081 · design | Rynoworx Industries Inc. | 7 Machines8 Hand | Registered | 2022 |
| RYNOWORX 1898797 · TMA1138082 | Rynoworx Industries Inc. | 7 Machines8 Hand | Registered | 2022 |
| RUMORS 1839110 · TMA1008848 · design | an individual | 33 Wine | Registered | 2018 |
| REMIRKABLE 1827894 · TMA1061939 | Mirka Ltd | 3 Cosmetics5 Pharmaceuticals7 Machines+2 | Registered | 2019 |
| RoomResponse 1822130 · TMA1009246 | TEKMAR CONTROL SYSTEMS LTD. | 9 Electronics | Registered | 2018 |
| RMRKBL 1787678 · TMA1029907 | an individual | 16 Paper41 Education | Registered | 2019 |
| RHINOWARES 1762476 · TMA992439 | Rhinowares USA, Inc. | 21 Housewares | Registered | 2018 |
| RUNNERS 1671846 · TMA905667 | Owner not shown | 30 Coffee | Registered | 2015 |
| REMARKABLE 1650411 · TMA941013 | CSL SILICONES INC. | 2 Paints | Registered | 2016 |