| OTTELLA 1862625 · TMA1022365 · design | Owner not shown | 33 Wine | Registered | 2019 |
| OATWELL 1637494 · TMA1041504 | Givaudan SA | 5 Pharmaceuticals29 Meat30 Coffee+1 | Registered | 2019 |
| OTWILLO 2166207 | OT4B | 5 Pharmaceuticals10 Medical | Pending | 2022 |
| OATLY 2166969 · TMA1232332 | an individual | 9 Electronics29 Meat31 Fresh+2 | Registered | 2024 |
| OTTLO 2091851 · TMA1171337 | FANDEMIQ INC. | 35 Advertising | Registered | 2023 |
| OUTLAW 1969034 · TMA1255696 | S.F. MARKETING INC. | 9 Electronics15 Musical | Registered | 2024 |
| OATLY 1849382 · TMA1179771 | an individual | 5 Pharmaceuticals9 Electronics14 Jewellery+11 | Registered | 2023 |
| OATLY 1820937 · TMA1030544 | an individual | 29 Meat30 Coffee32 Beer | Registered | 2019 |
| OUTLAW 1781652 · TMA1059696 | THOR TECH, INC. | 12 Vehicles | Registered | 2019 |
| OWTEL 1775584 · TMA986385 · design | One World Telecommunications Holdings Limited | 9 Electronics38 Telecommunications | Registered | 2017 |
| Outlaw 1679478 · TMA910754 | S.F. MARKETING INC. | 15 Musical | Registered | 2015 |
| OUTLAW 1669070 · TMA978169 | B&M Racing & Performance Products Inc. | 7 Machines | Registered | 2017 |
| OUTLAW 1575497 · TMA888454 | Dutch Blacksmith Shop Ltd. | 7 Machines | Registered | 2014 |
| OTL 1520635 · TMA869783 | GOUVERNEUR INC. | 35 Advertising36 Finance37 Construction+4 | Registered | 2014 |
| OUTLAW 1496880 · TMA860194 | Sunbeam Products, Inc. | 8 Hand | Registered | 2013 |
| ODILLE 1458526 · TMA790999 | Urban Outfitters Wholesale, Inc. | 25 Clothing | Registered | 2011 |
| OUTLAW 1454252 · TMA777364 · design | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat | Registered | 2010 |
| OUTLAW 1390692 · TMA742686 | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat | Registered | 2009 |
| OATLY 1389664 · TMA795313 | an individual | 29 Meat | Registered | 2011 |
| OTELLO 1266948 · TMA688657 | Owner not shown | 30 Coffee | Registered | 2007 |
| OUTLAW 1253728 · TMA664028 | POLARIS INDUSTRIES INC. a corporation of the State of Delaware | 12 Vehicles | Registered | 2006 |
| OUTLAW 1146692 · TMA839005 | SOCIÉTÉ HUMANFASHIONATION INC. | 3 Cosmetics8 Hand9 Electronics+9 | Registered | 2012 |
| OTELO 0791515 · TMA511513 | o.tel.o communications GmbH & Co. | 9 Electronics35 Advertising37 Construction+1 | Registered | 1999 |
| OUTLAW 0713153 · TMA420388 | MATTEL, INC. (A DELAWARE CORPORATION) | 28 Toys | Registered | 1993 |
| OUTLAW 0699215 · TMA414243 · design | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat | Registered | 1993 |