| REBIRD 2146582 · TMA1226913 | Amer Sports Canada Inc. | 25 Clothing35 Advertising | Registered | 2024 |
| ROBERT 1871327 · TMA1048686 · design | Owner not shown | 29 Meat | Registered | 2019 |
| ROBERT 0440494 · TMA243901 | LIBRAIRIE FERNAND NATHAN - FERNAND NATHAN & CIE | 16 Paper | Registered | 1980 |
| ROBORAID 1786773 · TMA987552 | Microsoft Corporation | 9 Electronics28 Toys | Registered | 2017 |
| ROBERTO 1436952 · TMA807427 | PANTORAMA INDUSTRIES INC. | 35 Advertising | Registered | 2011 |
| ROBERTO 1395581 · TMA1084626 | Korry's Apparel Limited | 25 Clothing | Registered | 2020 |
| ROBERTO 0444691 · TMA254538 | LES INDUSTRIES PANTORAMA INC./PANTORAMA INDUSTRIES INC. | 25 Clothing | Registered | 1981 |
| ROBERTS 0222661 · UCA48498 | ROBERTS CONSOLIDATED INDUSTRIES, INC. A DELAWARE CORPORATION | 1 Chemicals3 Cosmetics5 Pharmaceuticals+14 | Registered | 1953 |
| REEBARTEIN 2202243 · TMA1239824 · design | Henan Yaobo Home Technology Co., Ltd. | 11 Lighting | Registered | 2024 |
| RYBIRTRA 2157545 · TMA1263973 | ALEXION PHARMACEUTICALS, INC. | 5 Pharmaceuticals | Registered | 2024 |
| REPORTR 2153629 · TMA1207603 · design | Constructr Limited | 9 Electronics | Registered | 2023 |
| RÉPARETECH 2125394 · TMA1184273 · design | RépareTech inc. | 37 Construction | Registered | 2023 |
| RépareTech 2125182 · TMA1188551 | RépareTech inc. | 37 Construction | Registered | 2023 |
| REPROTEX 2108272 · TMA1221191 · design | ReProTex GmbH | 11 Lighting40 Treatment | Registered | 2024 |
| Riopurt 2083065 · TMA1167056 | an individual | 25 Clothing | Registered | 2023 |
| REPORTER 2041571 · TMA1240839 · design | an individual | 3 Cosmetics | Registered | 2024 |
| REPRTOIR 2028085 · TMA1223512 | an individual | 9 Electronics42 Science | Registered | 2024 |
| ReportsNow 2024052 · TMA1150330 | ReportsNow, Inc. | 9 Electronics | Registered | 2022 |
| RUBBERDUCK 2023535 · TMA1224137 · design | 9513-4086 QUÉBEC INC. | 9 Electronics42 Science45 Legal | Registered | 2024 |
| ReportBack 2016395 · TMA1262434 | ReportBack Analytics Limited | 35 Advertising | Registered | 2024 |
| RIVERTV 1993271 · TMA1279878 | VMEDIA INC. | 9 Electronics | Registered | 2025 |
| RAEFORD 1950394 · TMA1124025 | Liberty Hardware Mfg. Corp. | 6 Metal20 Furniture21 Housewares | Registered | 2022 |
| ReferToHer 1950297 · TMA1194140 | Lenczner Slaght Royce Smith Griffin LLP | 35 Advertising45 Legal | Registered | 2023 |
| RIVERHEAD 1934454 · TMA1117211 | Penguin Random House LLC | 16 Paper | Registered | 2022 |
| Riverdale 1928349 · TMA1113436 | an individual | 38 Telecommunications43 Restaurants | Registered | 2021 |