| ohne 2128078 · TMA1217131 | OHNE LIMITED | 3 Cosmetics5 Pharmaceuticals25 Clothing+1 | Registered | 2024 |
| OONA 2246934 · TMA1247335 · design | Owner not shown | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| OONA 2246933 · TMA1247334 · design | Owner not shown | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| OONA 2210377 · TMA1246477 | Owner not shown | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| OONI 2183428 · TMA1248103 · design | OONI LIMITED | 4 Oils11 Lighting21 Housewares+2 | Registered | 2024 |
| ONE 2175803 · TMA1227065 · design | 366 Degree Fitness Inc | 9 Electronics | Registered | 2024 |
| ONE 2140932 · TMA1218196 · design | EULER INC. | 2 Paints16 Paper17 Rubber+1 | Registered | 2024 |
| OHANI 2082126 · TMA1215034 | Mitsubishi Tanabe Pharma Corporation | 5 Pharmaceuticals | Registered | 2023 |
| 55ONE 1997566 · TMA1260567 | Concert Properties Ltd. | 36 Finance | Registered | 2024 |
| OHAN 1990077 · TMA1151313 · design | Shenzhen OHAN Technology Co. Ltd. | 34 Tobacco | Registered | 2022 |
| OONI 1915786 · TMA1113250 | OONI LIMITED | 4 Oils8 Hand11 Lighting+3 | Registered | 2021 |
| OHAN 1900108 · TMA1089858 · design | an individual | 9 Electronics10 Medical11 Lighting | Registered | 2020 |
| ONE 1897714 · TMA1052494 · design | Realty One Group International, LLC | 35 Advertising36 Finance | Registered | 2019 |
| OHANA 1846609 · TMA1044328 | Ohana Biosciences, Inc. | 42 Science | Registered | 2019 |
| ONE 1834048 · TMA1160844 | ALLTECH, INC. | 41 Education | Registered | 2023 |
| ONE 1833933 · TMA1154619 | Owner not shown | 31 Fresh | Registered | 2022 |
| ONE° 1828036 · TMA1018350 · design | One Degree HVAC Service Group Ltd | 6 Metal7 Machines9 Electronics+4 | Registered | 2019 |
| ONE 1824387 · TMA1085562 · design | an individual | 25 Clothing35 Advertising | Registered | 2020 |
| ONE 1796057 · TMA1097170 · design | One Brands, LLC, a Delaware Limited Liability Company | 5 Pharmaceuticals30 Coffee | Registered | 2021 |
| OHMME 1795424 · TMA993691 | OHMME LIMITED | 25 Clothing | Registered | 2018 |
| ONE!! 1746921 · TMA981317 · design | Owner not shown | 35 Advertising36 Finance41 Education+2 | Registered | 2017 |
| ONE 1744730 · TMA1004574 · design | an individual | 9 Electronics16 Paper25 Clothing+2 | Registered | 2018 |
| OWON 1710439 · TMA948230 · design | Fujian Lilliput Optoelectronics Technology Co. Ltd | 9 Electronics | Registered | 2016 |
| ONE. 1669172 · TMA951135 · design | Regional Recreation Corporation of Wood Buffalo | 41 Education43 Restaurants | Registered | 2016 |
| ONE. 1669171 · TMA951134 | Regional Recreation Corporation of Wood Buffalo | 41 Education43 Restaurants | Registered | 2016 |