| RXZONE2 1492731 · TMA804599 · design | Vic Mobilier de Magasins Inc. | 9 Electronics | Registered | 2011 |
| ROXON 2172644 · TMA1222397 · design | ROXON INC. | 7 Machines11 Lighting | Registered | 2024 |
| ROXON 1996969 · TMA1140297 | CONV AUSTRALIA HOLDING PTY LTD | 6 Metal7 Machines | Registered | 2022 |
| ROSANE 1987396 · TMA1239302 | Trois fois par jour Inc. | 3 Cosmetics16 Paper24 Textiles+2 | Registered | 2024 |
| RAXONE 1891197 · TMA1106870 | an individual | 5 Pharmaceuticals42 Science | Registered | 2021 |
| ROCON 1829672 · TMA1004856 · design | SHENZHEN VALUELINK E-COMMERCE CO, LTD. | 12 Vehicles28 Toys | Registered | 2018 |
| RYZON 1827083 · TMA1099657 | Ryzon GmbH | 3 Cosmetics9 Electronics12 Vehicles+6 | Registered | 2021 |
| ROKON 1701828 · TMA939783 | Rokon International, Inc. | 12 Vehicles | Registered | 2016 |
| RIZON 1582849 · TMA872302 | Fortune Brands Water Innovations LLC | 11 Lighting | Registered | 2014 |
| RoCon 1258554 · TMA664868 | RODENT CONTROL INC. | 5 Pharmaceuticals37 Construction | Registered | 2006 |
| ROCKNE 0991934 · NFLD1934 · design | ROCKNE MOTORS CORPORATION (A DELAWARE CORPORATION) | 12 Vehicles | Registered | 1932 |
| RUGONE 2363412 · design | SHENZHEN GOTRON ELECTRONIC CO. LTD. | 9 Electronics | Pending | 2024 |
| ROSANE 2337130 | Trois fois par jour Inc. | – | Pending | 2024 |
| ROOZON 2281495 | an individual | 9 Electronics35 Advertising36 Finance+3 | Pending | 2023 |
| ROZINO 2272453 · design | Owner not listed | 3 Cosmetics | Pending | 2023 |
| RIZON 2214004 · design | MITSUBISHI FUSO TRUCK AND BUS CORPORATION | 9 Electronics12 Vehicles | Pending | 2022 |
| ROUZANEH 2325615 | Sarpir Canada Trading Corporation | 29 Meat30 Coffee | Pending | 2024 |
| RICHONE 2060226 · TMA1154245 | Shenzhen Baofu Technology Co. , Ltd | 14 Jewellery | Registered | 2022 |
| ROXANNE 2018488 · TMA1113674 | Brand Trading Company S.A. | 45 Legal | Registered | 2021 |
| ROZKYNA 1979499 · TMA1111224 | Hovione Scientia Limited | 5 Pharmaceuticals | Registered | 2021 |
| ROXZOOM 1849057 · TMA1019148 · design | JinChannel Import & Export Co. LTD | 25 Clothing | Registered | 2019 |
| ROGAINE 1776931 · TMA1031423 | Owner not shown | 3 Cosmetics | Registered | 2019 |
| ROUKINE 1725161 · TMA962783 · design | LES BRASSEURS DU NORD INC. | 32 Beer | Registered | 2017 |
| Rozaana 1558569 · TMA887305 | 1509310 Ontario Limited | 29 Meat30 Coffee35 Advertising | Registered | 2014 |
| ROGAINE 1548478 · TMA897497 · design | Owner not shown | 3 Cosmetics5 Pharmaceuticals | Registered | 2015 |