| OTIMO 1621899 · TMA942097 | S&B Gluten Free Inc. | 30 Coffee35 Advertising43 Restaurants | Registered | 2016 |
| OTEMA 0728365 · TMA440285 | an individual | 35 Advertising37 Construction40 Treatment+1 | Registered | 1995 |
| OATIME 2194774 | International Foodstuffs Co. LLC | 30 Coffee | Pending | 2022 |
| OTOHIME 2182141 · TMA1230271 | Marubeni Nisshin Feed Co. Ltd. | 31 Fresh | Registered | 2024 |
| Outin 2248379 · TMA1279128 | Lingyun (Ningbo) Technology Co. Ltd. | 8 Hand18 Leather20 Furniture+4 | Registered | 2024 |
| Outin 2201444 · TMA1278989 | Lingyun (Ningbo) Technology Co. Ltd. | 21 Housewares | Registered | 2024 |
| Outin 2193366 · TMA1234971 | Lingyun (Ningbo) Technology Co. Ltd. | 7 Machines11 Lighting | Registered | 2024 |
| ODIN 2122144 · TMA1224329 | Odin Labs, Inc. | 9 Electronics42 Science45 Legal | Registered | 2024 |
| OTIUM 2083281 · TMA1181555 · design | Shenzhen Jiechen Technology Co. LTD | 9 Electronics | Registered | 2023 |
| OUTON 2080278 · TMA1180266 | Qianhai Qianyi (Shenzhen) Technology Co. Ltd. | 11 Lighting | Registered | 2023 |
| ODIN 2038262 · TMA1208149 | Ranovus Inc. | 9 Electronics | Registered | 2023 |
| OADINI 1997504 · TMA1125767 · design | an individual | 3 Cosmetics | Registered | 2022 |
| ODIN 1854106 · TMA1079954 | adp Merkur GmbH | 9 Electronics28 Toys | Registered | 2020 |
| ODEON 1840323 · TMA1028790 | ADAMA MAKHTESHIM LTD. | 5 Pharmaceuticals | Registered | 2019 |
| ODIN 1818446 · TMA999777 | Delta Faucet Company | 11 Lighting | Registered | 2018 |
| OTM 1793346 · TMA1034746 | Siemens Energy Global GmbH & Co. KG | 9 Electronics | Registered | 2019 |
| ODEN 1713856 · TMA997640 · design | an individual | 3 Cosmetics5 Pharmaceuticals | Registered | 2018 |
| ODIN 1710006 · TMA987943 | CloudBlue LLC | 9 Electronics42 Science | Registered | 2018 |
| OTANI 1665354 · TMA913110 · design | Otani Tire Co ltd. | 12 Vehicles | Registered | 2015 |
| ODIN 1665249 · TMA1043584 | Bauer Hockey Ltd. | 9 Electronics25 Clothing26 Sewing+1 | Registered | 2019 |
| ODM 1634745 · TMA910904 · design | Zhejiang ODM Transmission Technology Co. Ltd. | 7 Machines12 Vehicles | Registered | 2015 |
| ODEON 1546769 · TMA868314 | Higher Definition Holdings Inc. | 6 Metal9 Electronics16 Paper+3 | Registered | 2014 |
| OOTM 1463059 · TMA777979 | Creative Competitions, Inc. | 16 Paper41 Education | Registered | 2010 |
| ODIN 1435703 · TMA765764 · design | Gigazone International Co. Ltd. | 9 Electronics | Registered | 2010 |
| ODEON 0992995 · NFLD2995 | Cineplex Entertainment Limited Partnership | 16 Paper | Registered | 1947 |