| ORP 1847262 · TMA1068449 | Spira Data Corp. | 9 Electronics42 Science | Registered | 2020 |
| OROFE 1785731 · TMA1062637 · design | Owner not shown | 6 Metal | Registered | 2019 |
| ORAPI 0678575 · TMA411712 | an individual | 1 Chemicals4 Oils | Registered | 1993 |
| ORAP 0373582 · TMA204534 | FINCHLEY RESEARCH & DEVELOPMENT INC. | 5 Pharmaceuticals | Registered | 1975 |
| OUROBIO 2229849 · TMA1247135 | Transfoam LLC | 17 Rubber40 Treatment45 Legal | Registered | 2024 |
| ORBEA 2168500 · TMA1200555 · design | an individual | 12 Vehicles | Registered | 2023 |
| ORB 2165622 · TMA1274054 | Tools For Humanity Corporation | 9 Electronics | Registered | 2024 |
| ORAFIO 2070845 · TMA1205854 | Owner not shown | 30 Coffee | Registered | 2023 |
| ORB. 2043408 · TMA1150398 · design | Orb Cloud Services, Inc. | 42 Science | Registered | 2022 |
| orb 2043051 · TMA1150397 | Orb Cloud Services, Inc. | 42 Science | Registered | 2022 |
| ORFFA 1911818 · TMA1107442 · design | an individual | 5 Pharmaceuticals | Registered | 2021 |
| ORB 1910777 · TMA1107273 | Block Drug Company, Inc. | 21 Housewares | Registered | 2021 |
| ORB 1896084 · TMA1094960 | The Orb Factory Limited | 14 Jewellery16 Paper28 Toys | Registered | 2021 |
| ORB 1896083 · TMA1094959 · design | The Orb Factory Limited | 14 Jewellery16 Paper28 Toys | Registered | 2021 |
| ORB 1825289 · TMA1023469 · design | Orb Life Sciences LLC | 5 Pharmaceuticals | Registered | 2019 |
| ORB 1807845 · TMA1042557 | Senator International Limited | 20 Furniture | Registered | 2019 |
| ORBI 1795696 · TMA1035670 | NETGEAR, INC. | 9 Electronics | Registered | 2019 |
| ORBEYE 1761201 · TMA1028668 | Olympus Corporation | 9 Electronics10 Medical | Registered | 2019 |
| ORIBE 1750943 · TMA1038782 | Kao Kabushiki Kaisha, also trading as Kao Corporation | 3 Cosmetics8 Hand11 Lighting+2 | Registered | 2019 |
| ORIPOW 1720769 · TMA955256 · design | Worth Buying Limited | 9 Electronics | Registered | 2016 |
| ORB 1629875 · TMA1037616 · design | an individual | 9 Electronics10 Medical | Registered | 2019 |
| ORBE 1501474 · TMA812289 · design | Groupe Spear Motion Inc. | 34 Tobacco | Registered | 2011 |
| ORB 1492729 · TMA857088 | Vibrant Photo and Electronics Inc. | 9 Electronics18 Leather20 Furniture+1 | Registered | 2013 |
| ORIBE 1449780 · TMA818703 · design | Kao Kabushiki Kaisha, also trading as Kao Corporation | 3 Cosmetics | Registered | 2012 |
| ORIBE 1449262 · TMA818706 | Kao Kabushiki Kaisha, also trading as Kao Corporation | 3 Cosmetics | Registered | 2012 |