| ÖRGLIF 2220586 | FIBERLINKS TEXTILES INC. | 6 Metal16 Paper20 Furniture+2 | Pending | 2022 |
| ORACLYR 2347622 | Clyra Medical Technologies, Inc. | 5 Pharmaceuticals | Pending | 2024 |
| ORCLEENA 2126013 · TMA1197841 | Shenzhen Huachenyuan Technology Co. Ltd. | 21 Housewares | Registered | 2023 |
| ORGAELISO 2112532 · TMA1180639 | an individual | 9 Electronics | Registered | 2023 |
| ORACLE 2087751 · TMA1170134 | an individual | 11 Lighting | Registered | 2023 |
| ORACLE 2041236 · TMA1166533 · design | Oracle International Corporation | 35 Advertising38 Telecommunications | Registered | 2023 |
| ORZLY 2029729 · TMA1144597 | Syntiga Limited | 28 Toys | Registered | 2022 |
| ORACLE 2025293 · TMA1143582 | Oracle International Corporation | 41 Education | Registered | 2022 |
| ORASIL 1979805 · TMA1130995 · design | VeraSIL Therapeutic Research Inc. | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 2022 |
| OraSIL 1979804 · TMA1124906 | VeraSIL Therapeutic Research Inc. | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 2022 |
| ORACLE 1951810 · TMA1224699 | Oracle International Corporation | 42 Science | Registered | 2024 |
| ORSLOW 1938165 · TMA1131464 | BASE DENIM PRODUCTS INC. | 25 Clothing | Registered | 2022 |
| OREACLE 1866320 · TMA1095073 | SPECIAL ALLOY FABRICATORS LTD. | 6 Metal11 Lighting | Registered | 2021 |
| ORZLY 1707490 · TMA958676 | Syntiga Limited | 9 Electronics18 Leather | Registered | 2016 |
| ORKLI 1685340 · TMA927480 | an individual | 11 Lighting | Registered | 2016 |
| ORSIL 1683285 · TMA925112 | Third Bay Ltd. | 40 Treatment | Registered | 2016 |
| OROGEL 1666145 · TMA968058 · design | an individual | 29 Meat30 Coffee31 Fresh | Registered | 2017 |
| ORAJEL 1621714 · TMA932307 | Church & Dwight Co. Inc. | 21 Housewares | Registered | 2016 |
| ORACLE 1620663 · TMA916950 | Breville Pty Limited | 7 Machines11 Lighting21 Housewares | Registered | 2015 |
| OROGOLD 1596330 · TMA872570 | Oro Gold Miami Inc. | 3 Cosmetics35 Advertising | Registered | 2014 |
| OURSCHOOL 1596157 · TMA914424 | The Learning Bar Inc. | 9 Electronics16 Paper35 Advertising+2 | Registered | 2015 |
| ORACLE 1581886 · TMA910120 · design | Oracle International Corporation | 9 Electronics16 Paper35 Advertising+4 | Registered | 2015 |
| ORAJEL 1580169 · TMA847453 · design | Church & Dwight Co. Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 2013 |
| ORAJEL 1580164 · TMA904891 · design | Church & Dwight Co. Inc. | 10 Medical | Registered | 2015 |
| ORAJEL 1580163 · TMA904890 | Church & Dwight Co. Inc. | 10 Medical | Registered | 2015 |