| RETROMASS 2139312 · TMA1214270 | an individual | 3 Cosmetics | Registered | 2023 |
| RETROMATRIX 1561666 · TMA870097 | ADVANCED RESEARCH LTD | 1 Chemicals | Registered | 2014 |
| RETROMOTIVE 2073485 · TMA1181456 | an individual | 9 Electronics16 Paper | Registered | 2023 |
| RETRAMED 1376722 · TMA771907 | an individual | 5 Pharmaceuticals42 Science44 Medical | Registered | 2010 |
| RETRONEU 0882896 · TMA548574 | Lifetime Brands, Inc. | 1 Chemicals4 Oils8 Hand+4 | Registered | 2001 |
| RETROMOBILE 2356488 | COMEXPOSIUM | 12 Vehicles16 Paper35 Advertising+2 | Pending | 2024 |
| RedDreamer 2242419 · TMA1261726 | Yuzhou Anfukang Trading Co. Ltd. | 20 Furniture | Registered | 2024 |
| Reternity 2183572 · TMA1248105 | Riedel & Schmidt Vision GmbH | 25 Clothing | Registered | 2024 |
| Ratroen 2066098 · TMA1174506 | Shenzhen Ding Jian Technology Co. Ltd. | 11 Lighting | Registered | 2023 |
| ROADRUNNER 2049575 · TMA1224175 | Cook Medical Technologies LLC | 10 Medical | Registered | 2024 |
| RETURNAL 2044107 · TMA1149059 | Sony Interactive Entertainment LLC | 9 Electronics41 Education | Registered | 2022 |
| REDIROOM 2043020 · TMA1208160 · design | Care Strategic D.I.R. Holdings Pty. Ltd. | 10 Medical22 Ropes | Registered | 2023 |
| RADRUNNER 2040426 · TMA1278298 | Rad Power Bikes Inc. | 9 Electronics12 Vehicles | Registered | 2024 |
| 360 RETURNS 1949898 · TMA1205559 | UNITED PARCEL SERVICE OF AMERICA, INC. | 9 Electronics16 Paper35 Advertising+2 | Registered | 2023 |
| RETURNPOLY 1942401 · TMA1167346 | Kurashiki Boseki Kabushiki Kaisha (trading also as KURABO INDUSTRIES LTD.) | 24 Textiles25 Clothing | Registered | 2023 |
| ROADRUNNER 1917473 · TMA1120526 | LTP SPORTS GROUP INC. | 12 Vehicles | Registered | 2022 |
| RUTHERRIN 1742822 · TMA1050217 | THERALASE TECHNOLOGIES INC. | 5 Pharmaceuticals | Registered | 2019 |
| RETIREMENT 777 1685609 · TMA909474 · design | Jumpstart Savings Solutions Ltd. | 36 Finance | Registered | 2015 |
| ReturnMe 1662297 · TMA949180 | ReturnMe | 16 Paper20 Furniture45 Legal | Registered | 2016 |
| RETURNFLEX 1646566 · TMA917788 | Siras.com Inc. | 35 Advertising | Registered | 2015 |
| RETURNFLEX 1646565 · TMA907733 | Siras.com Inc. | 9 Electronics16 Paper | Registered | 2015 |
| RAYTHERMPOWER 1645407 · TMA940209 · design | Shanghai RayTech Industries, Inc. | 7 Machines8 Hand35 Advertising+1 | Registered | 2016 |
| RHODIAROME 1570850 · TMA915582 · design | an individual | 1 Chemicals | Registered | 2015 |
| ROUTERMATE 1542838 · TMA884363 | Lincoln Global, Inc. | 7 Machines | Registered | 2014 |
| RETIREMENTU 1522295 · TMA842622 | MACKENZIE FINANCIAL CORPORATION | 16 Paper21 Housewares25 Clothing+1 | Registered | 2013 |