| OLINVYK 2141238 · TMA1180888 · design | Trevena, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| OLINVYK 2049597 · TMA1125811 | Trevena, Inc. | 5 Pharmaceuticals | Registered | 2022 |
| Olunnvi 2088573 | an individual | 3 Cosmetics | Pending | 2021 |
| Olamp 2102673 · TMA1210704 | Olight Group Co.Ltd | 11 Lighting | Registered | 2023 |
| OLYMPUSWHITE 1995261 · TMA1222725 | VICOSTONE JOINT STOCK COMPANY | 19 Building20 Furniture | Registered | 2024 |
| OILINIBABY 1921808 · TMA1105869 | Oilini International Corporation | 5 Pharmaceuticals10 Medical18 Leather+5 | Registered | 2021 |
| OLYMPUS 1886110 · TMA1094502 | OLYMPUS CORPORATION, a legal entity | 9 Electronics35 Advertising37 Construction+3 | Registered | 2021 |
| OLYMPA 1880044 · TMA1076635 | an individual | 10 Medical | Registered | 2020 |
| OLYMPIA 1848840 · TMA1070700 · design | Adolf Riedl GmbH & Co. KG | 25 Clothing | Registered | 2020 |
| 212 OLYMPIA 1843879 · TMA1138007 | JW Holdings LLC | 41 Education | Registered | 2022 |
| OLYMPUS 1782552 · TMA1052978 | Bayer Intellectual Property GmbH | 5 Pharmaceuticals | Registered | 2019 |
| OLYMPÉA 1721226 · TMA994236 | an individual | 3 Cosmetics | Registered | 2018 |
| OLYMPUS 1567043 · TMA902306 | OLYMPUS CORPORATION, a legal entity | 9 Electronics37 Construction | Registered | 2015 |
| OLYMPUS 1567041 · TMA861309 | OLYMPUS CORPORATION, a legal entity | 5 Pharmaceuticals10 Medical41 Education+1 | Registered | 2013 |
| OLYMPUS 1533517 · TMA881711 | OLYMPUS CORPORATION, a legal entity | 3 Cosmetics9 Electronics11 Lighting+3 | Registered | 2014 |
| OLYMPUS 1520638 · TMA872837 · design | Owner not shown | 29 Meat30 Coffee | Registered | 2014 |
| OLYMP 1501869 · TMA1010468 · design | an individual | 25 Clothing | Registered | 2018 |
| OLYMPUS 1395898 · TMA810544 | OLYMPUS CORPORATION, a legal entity | 2 Paints9 Electronics35 Advertising+4 | Registered | 2011 |
| OLYMPUS 1303131 · TMA808204 | OLYMPUS CORPORATION, a legal entity | 1 Chemicals7 Machines9 Electronics+3 | Registered | 2011 |
| OLYMPIA 0992192 · NFLD2192 | OLYMPIA INTERNATIONAL HOLDINGS LIMITED | 16 Paper | Registered | 1936 |
| OLYMPUS 0835811 · TMA622274 | Olympus Corporation | 9 Electronics16 Paper | Registered | 2004 |
| OLYMPIA 0712210 · TMA554424 | JPJ Investment Holding Corp. (a Nevada corporation) | 8 Hand | Registered | 2001 |
| OLYMPIATILE 0692206 · TMA467029 · design | OLYMPIA TILE INTERNATIONAL INC. | 1 Chemicals19 Building21 Housewares+1 | Registered | 1996 |
| OLYMPUS 0485703 · TMA274508 | Olympus Corporation | 9 Electronics | Registered | 1982 |
| OLYMPIC 0428585 · TMA245589 · design | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat | Registered | 1980 |