| WEAVEKNIT 1781044 · TMA970712 | VISIONKNIT LIMITED | 24 Textiles35 Advertising40 Treatment | Registered | 2017 |
| WAVESIM 0908046 | National Research Council of Canada | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1997 |
| WAVESENSE 1299057 · TMA740016 | AgaMatrix, Inc. | 9 Electronics10 Medical | Registered | 2009 |
| WaveSmart 2113618 | Clearfield, Inc. | 9 Electronics | Pending | 2021 |
| Websonaw 2206584 · TMA1241422 | SHENZHEN RUIFENGHUA TRADING CO., LTD. | 28 Toys | Registered | 2024 |
| WEBGEN 2047844 · TMA1212826 | CORNELLCOOKSON, LLC | 9 Electronics | Registered | 2023 |
| WEBCIMS 1967112 · TMA1242103 | A.Net Solutions Inc. | 9 Electronics35 Advertising41 Education+2 | Registered | 2024 |
| WAPSYNC 1943695 · TMA1191270 | WapSync Inc. | 9 Electronics42 Science | Registered | 2023 |
| WIPESSENTIALS 1888124 · TMA1077295 | Diamond Wipes International, Inc. | 3 Cosmetics | Registered | 2020 |
| WEBSAN 1865788 · TMA1053759 | WebSan Solutions Inc. | 9 Electronics35 Advertising41 Education+1 | Registered | 2019 |
| WOPSON 1840781 · TMA1010132 · design | ShenZhen Wopson Electrical Co. Ltd | 9 Electronics | Registered | 2018 |
| WaveSenz 1810506 · TMA1051700 | an individual | 9 Electronics | Registered | 2019 |
| WEBSMART 1793127 · TMA987773 | j2 Global Ireland Limited | 42 Science | Registered | 2018 |
| WEBGEN 1786846 · TMA1066474 | ORICA INTERNATIONAL PTE LTD | 9 Electronics13 Firearms | Registered | 2019 |
| WPSN 1782792 · TMA1045459 | Peytec Inc. | 9 Electronics | Registered | 2019 |
| WEBCAMPUS 1631501 · TMA929722 · design | Owner not shown | 9 Electronics16 Paper35 Advertising+1 | Registered | 2016 |
| WEBCAMPUS 1631318 · TMA929741 | Owner not shown | 9 Electronics16 Paper35 Advertising+1 | Registered | 2016 |
| WebSync 1605140 · TMA882987 | Webtek Solutions Globales Inc. | 42 Science | Registered | 2014 |
| WebCONNECT 1585027 · TMA871011 | Univeris Corporation | 36 Finance | Registered | 2014 |
| WEBKINZ 1464966 · TMA841960 | GANZ | 9 Electronics16 Paper28 Toys+1 | Registered | 2013 |
| WEBCONNECT 1442486 · TMA828254 | T-Mobile USA, Inc. | 9 Electronics | Registered | 2012 |
| WEBSENSE 1433909 · TMA787076 · design | Websense, Inc. a Delaware Corporation | 9 Electronics42 Science | Registered | 2011 |
| WEBCIMS 1421178 · TMA759748 | A.Net Solutions Inc. | 9 Electronics | Registered | 2010 |
| WEBSENTRY 1399245 · TMA835460 · design | an individual | 9 Electronics42 Science | Registered | 2012 |
| WEBKINZ 1393807 · TMA798053 | GANZ | 3 Cosmetics16 Paper18 Leather+3 | Registered | 2011 |