| ROBEXCO 2134385 | BP 54 inc. | 7 Machines9 Electronics42 Science | Pending | 2021 |
| ROBCO 0503323 · TMA299705 | ROBCO INC. | 1 Chemicals4 Oils5 Pharmaceuticals+16 | Registered | 1985 |
| RUBESCO 1267900 · TMA682660 | Owner not shown | 33 Wine | Registered | 2007 |
| ROBIC 2204673 · TMA1226328 · design | HYOSUNG TNC CORPORATION | 23 Yarns | Registered | 2024 |
| RIBECS 1815546 · TMA998674 · design | SHENZHEN SANDA COSMETICS CO. LTD. | 3 Cosmetics | Registered | 2018 |
| ROBEKS 1438086 · TMA903465 | Robeks Corporation (California corporation) | 35 Advertising43 Restaurants | Registered | 2015 |
| ROBEKS 1438085 · TMA903468 · design | Robeks Corporation (California corporation) | 35 Advertising43 Restaurants | Registered | 2015 |
| RAFECO 1408786 · TMA807241 | an individual | 16 Paper | Registered | 2011 |
| ROBEEZ 1289564 · TMA805523 | Daytona Apparel IP LLC | 25 Clothing35 Advertising | Registered | 2011 |
| ROBEEZ 1289563 · TMA805522 · design | Daytona Apparel IP LLC | 25 Clothing35 Advertising | Registered | 2011 |
| ROBEEZ 1289561 · TMA805521 · design | Daytona Apparel IP LLC | 25 Clothing35 Advertising | Registered | 2011 |
| ROBEKS 1181533 · TMA668263 | Robeks Corporation (a California corporation) | 35 Advertising43 Restaurants | Registered | 2006 |
| ROBEKS 1181532 · TMA668228 · design | Robeks Corporation (a California corporation) | 35 Advertising43 Restaurants | Registered | 2006 |
| ROBEEZ 1051959 · TMA555544 | Daytona Apparel IP LLC | 25 Clothing | Registered | 2001 |
| ROBIC 1041708 · TMA558173 · design | Robic Group International Inc. | 17 Rubber35 Advertising40 Treatment | Registered | 2002 |
| ROBIC 0813457 · TMA482469 | ROBIC IP AGENCY LP / ROBIC AGENCE PI S.E.C. | 42 Science45 Legal | Registered | 1997 |
| ROBIC 0742544 · TMA454590 | MARSHALL-BROWNING INTERNATIONAL CORPORATION, A DELAWARE CORPORATION | 14 Jewellery | Registered | 1996 |
| ROBEX 0729276 · TMA432461 | Hyundai Construction Equipment Co., Ltd. | 7 Machines | Registered | 1994 |
| RUBYCO 0482115 · TMA279335 | RUBYCO (1987) INC. | 23 Yarns | Registered | 1983 |
| RBEC 2251240 | International Institute of Building Enclosure Consultants | 37 Construction | Pending | 2023 |
| ROBEEZ 2079042 | Daytona Apparel IP LLC | 25 Clothing | Pending | 2021 |
| RHOBACK 2128070 · TMA1173965 | Rhoback, Inc. | 25 Clothing | Registered | 2023 |
| Robo2Go 1813993 · TMA1065190 | GILDEMEISTER Drehmaschinen GmbH | 7 Machines9 Electronics42 Science | Registered | 2019 |
| REBECCA 1490442 · TMA838697 | AMERICAN GIRL, LLC | 28 Toys | Registered | 2012 |
| RAPESCO 1001218 · TMA554407 | Rapesco Office Products plc | 1 Chemicals3 Cosmetics5 Pharmaceuticals+10 | Registered | 2001 |