| RITECH 1916944 · TMA1106177 · design | Rite Brands Corp. | 9 Electronics10 Medical21 Housewares+3 | Registered | 2021 |
| RtTech 1617889 · TMA879694 | RtTech Software Inc. | 42 Science | Registered | 2014 |
| ROTECH 1296121 · TMA756600 | Sawgrass Technologies, Inc. | 2 Paints9 Electronics37 Construction+1 | Registered | 2010 |
| RETYCHE 1986528 · TMA1243682 | THE ELIASISTERS INC./LES SOEURS ELIAS INC. | 35 Advertising | Registered | 2024 |
| RAWTECH 1776460 · TMA989713 · design | Nutraceutech Inc. | 11 Lighting | Registered | 2018 |
| ROWTECH 1719285 · TMA921851 | Loc Performance Products, LLC | 12 Vehicles | Registered | 2015 |
| ROOTECH 1012163 · TMA541438 | Technaflora Plant Products Ltd. | 11 Lighting | Registered | 2001 |
| RADIUS 360° 2264645 · TMA1283414 | Full Circle International, Inc. | 7 Machines8 Hand | Registered | 2025 |
| ROADX 2236536 · TMA1254182 · design | SAILUN GROUP CO. LTD. | 12 Vehicles | Registered | 2024 |
| ROOTS 2231736 · TMA1248979 | Roots Corporation | 9 Electronics35 Advertising41 Education+1 | Registered | 2024 |
| ROUTICA 2226218 · TMA1250236 | Ositech Communications Inc. | 9 Electronics | Registered | 2024 |
| Redkey 2223132 · TMA1248795 | an individual | 7 Machines | Registered | 2024 |
| RTEX 2212297 · TMA1243093 | DAVEY TEXTILE SOLUTIONS INC. | 24 Textiles | Registered | 2024 |
| ROETYCE 2211985 · TMA1243044 · design | Guangzhou Zitai Network Technology Co., Ltd. | 16 Paper | Registered | 2024 |
| RADIUS 2204459 · TMA1241303 | TBL Licensing LLC | 25 Clothing | Registered | 2024 |
| RTSAH 2194359 · TMA1242561 | an individual | 9 Electronics14 Jewellery18 Leather+5 | Registered | 2024 |
| RADIUS 2189782 · TMA1233632 | National Carwash Solutions, Inc. | 7 Machines | Registered | 2024 |
| ready2co 2168437 · TMA1271081 | Owner not shown | 35 Advertising36 Finance39 Transport+1 | Registered | 2024 |
| RATS 2162745 · TMA1219267 | Sled Distribution, LLC | 10 Medical | Registered | 2024 |
| RTSU 2150228 · TMA1208629 | an individual | 11 Lighting | Registered | 2023 |
| ReedCA 2147522 · TMA1216280 | an individual | 25 Clothing | Registered | 2023 |
| ROADHOUSE 2142436 · TMA1262642 | EASTON DIAMOND SPORTS, LLC | 18 Leather | Registered | 2024 |
| rDisc 2130980 · TMA1174057 | Rembe GmbH Safety + Control | 9 Electronics42 Science | Registered | 2023 |
| Rhtse 2130020 · TMA1192115 | Shenzhen L-Star Commerce CO.. LTD. | 28 Toys35 Advertising | Registered | 2023 |
| Rytja 2124498 · TMA1187640 | SHENZHEN UPHILL TRADING CO. LTD. | 11 Lighting28 Toys | Registered | 2023 |