| OUTOPIA 2246611 · TMA1260226 | Shanghai Savasana Electronic Commerce Company Limited | 18 Leather | Registered | 2024 |
| OUTOPIA 2228724 · design | Shanghai Savasana Electronic Commerce Company Limited | 25 Clothing35 Advertising | Pending | 2022 |
| OHTop 2207904 · TMA1242779 | an individual | 5 Pharmaceuticals | Registered | 2024 |
| Outop 2093872 · TMA1174759 | Shenzhen Lepower Electronic Co., Ltd. | 28 Toys | Registered | 2023 |
| ODP 2120996 · TMA1214136 | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics42 Science | Registered | 2023 |
| Oattbe 2113283 · TMA1211887 | MH Global Co.Ltd. | 3 Cosmetics | Registered | 2023 |
| ODIPIE 2112530 · TMA1179405 · design | Shenzhen Lead New Energy Co. Ltd. | 9 Electronics | Registered | 2023 |
| ootifo 2078059 · TMA1178906 | Shenzhen Nuodunzhixin Electronic Technology Co., Ltd | 9 Electronics | Registered | 2023 |
| OTTAVIO 2008176 · TMA1178504 | an individual | 29 Meat | Registered | 2023 |
| OTP 1991280 · TMA1273478 · design | WestGroupe Optical Inc. | 9 Electronics | Registered | 2024 |
| ODVA 1966010 · TMA1253345 | ODVA, Inc. | 9 Electronics35 Advertising41 Education+2 | Registered | 2024 |
| OTB 1957801 · TMA1187977 | Utz Quality Foods, LLC | 30 Coffee | Registered | 2023 |
| OTB 1933131 · TMA1203406 | an individual | 35 Advertising36 Finance41 Education+2 | Registered | 2023 |
| OTTAVIO 1929305 · TMA1176928 | an individual | 29 Meat | Registered | 2023 |
| OTTAVIO 1907657 · TMA1116854 | an individual | 29 Meat30 Coffee | Registered | 2022 |
| OTTAVIO 1890810 · TMA1127656 | VALCO ENTERPRISES L.L.C., (a Delaware Corporation) | 30 Coffee | Registered | 2022 |
| OTOBO 1854367 · TMA1082371 · design | an individual | 7 Machines8 Hand | Registered | 2020 |
| OTTAVO 1767158 · TMA1038575 | Lens.com, Inc. | 9 Electronics | Registered | 2019 |
| OTIP 1754881 · TMA974966 | an individual | 35 Advertising36 Finance | Registered | 2017 |
| OTUBE 1727002 · TMA1021783 · design | an individual | 6 Metal7 Machines9 Electronics+2 | Registered | 2019 |
| ODB 1705070 · TMA967802 | RBC Ministries Corporation | 9 Electronics16 Paper35 Advertising+2 | Registered | 2017 |
| OTF 1648402 · TMA894176 | OTF IP Holder, LLC | 16 Paper18 Leather21 Housewares+4 | Registered | 2015 |
| OTTAVIO 1644896 · TMA1012943 | VALCO ENTERPRISES LLC (a Delaware Corporation) | 29 Meat | Registered | 2019 |
| OTTAVIO 1548518 · TMA837902 | an individual | 29 Meat | Registered | 2012 |
| ODBO 1412226 · TMA788762 · design | ETERNAL FAMOUS HOLDINGS LIMITED | 3 Cosmetics8 Hand9 Electronics+8 | Registered | 2011 |