| OMF 1186852 · TMA629683 | Onkyo Corporation | 9 Electronics | Registered | 2005 |
| OMB 1043427 · TMA554087 · design | an individual | 6 Metal11 Lighting | Registered | 2001 |
| OMF 2154531 · design | OMF International (IHQ) Ltd | 38 Telecommunications41 Education45 Legal | Pending | 2021 |
| OMIFY 1949784 · TMA1226459 | Owner not shown | 3 Cosmetics11 Lighting21 Housewares+3 | Registered | 2024 |
| OMP 2276882 · TMA1279625 | an individual | 14 Jewellery | Registered | 2024 |
| OMNIHUB 2272140 · TMA1258534 · design | Tineco Intelligent Technology Co. Ltd. | 7 Machines | Registered | 2024 |
| OMBU 2238521 · TMA1255417 | Branded AcquiCo No 1, LLC | 18 Leather21 Housewares28 Toys | Registered | 2024 |
| OMPAA 2227785 · TMA1280914 | Changshu Ruihe Household Technology Co. Ltd. | 27 Carpets | Registered | 2025 |
| OOMPH 2222704 · TMA1241847 | Coop Home Goods LLC | 20 Furniture22 Ropes | Registered | 2024 |
| Omba 2159639 · TMA1211052 | an individual | 20 Furniture | Registered | 2023 |
| OMOUBOI 2148774 · TMA1265310 · design | Shenzhen Shengye Cultural Goods Co., Ltd. | 9 Electronics18 Leather | Registered | 2024 |
| ONVY 2147653 · TMA1278703 · design | bioathletiQ GmbH | 5 Pharmaceuticals9 Electronics35 Advertising+3 | Registered | 2024 |
| ONB 2139696 · TMA1221314 · design | ZhongMi (Xiamen) Technology Co., Ltd. | 7 Machines8 Hand10 Medical+4 | Registered | 2024 |
| ONEUP 2133837 · TMA1226874 · design | EcoFlow Inc. | 9 Electronics | Registered | 2024 |
| ONBE 2132221 · TMA1247914 · design | Onbe, Inc. | 36 Finance | Registered | 2024 |
| ONMUV 2113032 · TMA1160521 | Neuroderm LTD | 10 Medical | Registered | 2023 |
| ONBE 2106797 · TMA1247875 | Onbe, Inc. | 36 Finance | Registered | 2024 |
| ONAVIA 2094161 · TMA1185062 | COMIX INTSERV TECH LIMITED | 20 Furniture | Registered | 2023 |
| OMVE 2057461 · TMA1244892 | an individual | 7 Machines9 Electronics11 Lighting+1 | Registered | 2024 |
| OMVOH 2023304 · TMA1246040 | ELI LILLY AND COMPANY | 5 Pharmaceuticals | Registered | 2024 |
| OMP 1999533 · TMA1118570 · design | an individual | 9 Electronics12 Vehicles25 Clothing | Registered | 2022 |
| OEANBE 1983703 · TMA1156897 | an individual | 25 Clothing | Registered | 2022 |
| OMV!! 1949830 · TMA1179787 | Combe Incorporated | 3 Cosmetics5 Pharmaceuticals | Registered | 2023 |
| OMV 1940190 · TMA1158627 | Beauty Molecules International Limited (a Jersey Limited Company) | 3 Cosmetics | Registered | 2023 |
| OMNIFY 1931126 · TMA1136934 | Lumify Inc. | 9 Electronics11 Lighting35 Advertising | Registered | 2022 |