| OPPI 2110504 · TMA1190788 · design | SHEENWOO CORP. | 36 Finance | Registered | 2023 |
| OPP 2097383 · TMA1173680 | Impact Immobilier Inc. | 12 Vehicles | Registered | 2023 |
| oppi 2030787 · TMA1150361 | OPPI | 28 Toys | Registered | 2022 |
| OPPO 2000849 · TMA1228713 · design | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 7 Machines11 Lighting36 Finance+1 | Registered | 2024 |
| OPPO 1993596 · TMA1260549 · design | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 12 Vehicles | Registered | 2024 |
| OPPO 1943008 · TMA1160627 · design | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 9 Electronics | Registered | 2023 |
| OPPO 1943007 · TMA1160626 · design | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 9 Electronics | Registered | 2023 |
| OPPO 1798573 · TMA996216 | Teramoto Corporation Ltd. | 8 Hand18 Leather20 Furniture+3 | Registered | 2018 |
| OPPO 1782807 · TMA1167461 | OPPO MEDICAL INC. | 5 Pharmaceuticals9 Electronics10 Medical+4 | Registered | 2023 |
| OPPO 1782805 · TMA1167460 · design | OPPO MEDICAL INC. | 5 Pharmaceuticals9 Electronics10 Medical+4 | Registered | 2023 |
| OPPO 1639973 · TMA951719 · design | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 9 Electronics12 Vehicles20 Furniture+1 | Registered | 2016 |
| OPPY 1637175 · TMA929196 | an individual | 31 Fresh35 Advertising | Registered | 2016 |
| OPPO 1570108 · TMA848096 · design | OPPO MEDICAL INC. | 5 Pharmaceuticals10 Medical25 Clothing+1 | Registered | 2013 |
| OPPO 1570104 · TMA848094 | OPPO MEDICAL INC. | 5 Pharmaceuticals10 Medical25 Clothing+1 | Registered | 2013 |
| OPPO 1140941 · TMA667193 | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 9 Electronics35 Advertising37 Construction+5 | Registered | 2006 |
| OPPA 1008856 · TMA546336 · design | ONTARIO PROVINCIAL POLICE ASSOCIATION | 6 Metal14 Jewellery16 Paper+8 | Registered | 2001 |
| OPP 2352128 | Okuma America Corporation | 7 Machines | Pending | 2024 |
| OppFi 2102628 | Opportunity Financial, LLC | 36 Finance | Pending | 2021 |
| OP 2236182 · TMA1259739 · design | Flower Love Canada Corp. | 30 Coffee31 Fresh32 Beer+1 | Registered | 2024 |
| OYIB 2228887 · TMA1252846 | Chengdu Zuoanhuakai Trading Co. Ltd. | 9 Electronics | Registered | 2024 |
| OYF 2213913 · TMA1241827 · design | PLX Scientific Inc. | 11 Lighting | Registered | 2024 |
| OBA 2208336 · TMA1228461 · design | Oba Cosmetic (Xiamen) Co. Ltd. | 3 Cosmetics | Registered | 2024 |
| OFI 2199220 · TMA1264082 · design | Olam International Limited | 29 Meat30 Coffee31 Fresh | Registered | 2024 |
| OFI 2189362 · TMA1259511 · design | Olam International Limited | 35 Advertising | Registered | 2024 |
| OPVEE 2173493 · TMA1198225 | Opiant Pharmaceuticals, Inc. | 5 Pharmaceuticals | Registered | 2023 |