| Retrica 2323984 | Retrica. Inc. | 9 Electronics | Pending | 2024 |
| ROTARACT 0584509 · TMA345510 | an individual | 35 Advertising | Registered | 1988 |
| RETRIG 2165742 · TMA1198167 | PhaseBio Pharmaceuticals, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| RETRIGO 1853620 · TMA1067961 | an individual | 39 Transport | Registered | 2020 |
| RUTROCE 1659108 · TMA1032590 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2019 |
| RETRACE 1477589 · TMA935108 | Owner not shown | 10 Medical | Registered | 2016 |
| RATRAC 1474609 · TMA791823 | an individual | 12 Vehicles | Registered | 2011 |
| ROTARIX 1374071 · TMA784483 | an individual | 5 Pharmaceuticals | Registered | 2010 |
| RETRACT 1180661 · TMA630404 · design | BALCAN INNOVATIONS INC. | 17 Rubber | Registered | 2005 |
| RODRIGO 0796900 · TMA474374 | an individual | 25 Clothing | Registered | 1997 |
| ROTARC 0480814 · TMA274199 | VEOLIA WATER TECHNOLOGIES CANADA INC. | 7 Machines9 Electronics | Registered | 1982 |
| ROOTRISER 1800476 · TMA982671 | ATT SOUTHERN INC. (a corporation of Delaware) | 21 Housewares | Registered | 2017 |
| ROTORKING 1776833 · TMA988224 · design | YANTAI WINHERE AUTO-PART MANUFACTURING CO. LTD. | 7 Machines12 Vehicles | Registered | 2018 |
| ROADTRACK 1455387 · TMA784755 | EVELEY INTERNATIONAL CORP. | 12 Vehicles | Registered | 2010 |
| ROTARYCAM 1099654 · TMA588083 · design | Umix Co. Ltd. | 6 Metal | Registered | 2003 |
| ROADTRACK 2351944 · design | Shandong Haohua Tire Co.Ltd. | 12 Vehicles | Pending | 2024 |
| Rdruko 2223748 · TMA1248878 | an individual | 25 Clothing | Registered | 2024 |
| RADTRIKE 2163190 · TMA1278755 | Rad Power Bikes Inc. | 9 Electronics12 Vehicles | Registered | 2024 |
| REDRAGON 2151097 · TMA1197099 · design | Shenzhen World Link Trading Co. Ltd. | 9 Electronics | Registered | 2023 |
| READYWORKS 2140223 · TMA1238173 | Readyworks Inc. | 42 Science | Registered | 2024 |
| RETROSPEC 2133668 · TMA1175965 · design | Xander Bicycle Corporation | 9 Electronics12 Vehicles18 Leather+2 | Registered | 2023 |
| RETTERSPITZ 2111221 · TMA1282437 | Retterspitz GmbH & Co. KG | 3 Cosmetics5 Pharmaceuticals | Registered | 2025 |
| RETROCRAFT 2109398 · TMA1265253 | Young Manufacturing Company, Inc. | 19 Building | Registered | 2024 |
| RETROKID 2087684 · TMA1183858 · design | Retrokid Inc. | 25 Clothing35 Advertising | Registered | 2023 |
| RETROKID 2087575 · TMA1182667 | Retrokid Inc. | 25 Clothing35 Advertising | Registered | 2023 |