| WINDGUIDE 1706776 · TMA946295 | Celestron Acquisition, LLC | 9 Electronics | Registered | 2016 |
| WINDSISTERS 1765480 · TMA962394 | an individual | 9 Electronics14 Jewellery16 Paper+6 | Registered | 2017 |
| WINDST 2205109 · TMA1240143 | an individual | 24 Textiles | Registered | 2024 |
| WINDCAVE 1913588 · TMA1101332 | Windcave Limited | 9 Electronics35 Advertising36 Finance+2 | Registered | 2021 |
| WINDIGO 1873407 · TMA1084973 | Wagner Spezialschmierstoffe GmbH & Co. KG | 1 Chemicals2 Paints3 Cosmetics+1 | Registered | 2020 |
| WINDIES 1858452 · TMA1073597 | Cricket West Indies Inc. | 6 Metal14 Jewellery16 Paper+6 | Registered | 2020 |
| WINDOWS 1840842 · TMA1111656 | Microsoft Corporation | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2021 |
| WINDAS 1543951 · TMA855098 | Wabtec Canada Inc. | 9 Electronics | Registered | 2013 |
| WINDOWS 1526409 · TMA886177 · design | Prym Consumer USA Inc. | 6 Metal20 Furniture | Registered | 2014 |
| WINEDISC 1482086 · TMA827990 | an individual | 9 Electronics11 Lighting21 Housewares+1 | Registered | 2012 |
| WINDCUBE 1404751 · TMA804409 | an individual | 9 Electronics41 Education42 Science | Registered | 2011 |
| WINDIGO 1194882 · TMA622050 | Alliance Mercantile Inc. | 25 Clothing | Registered | 2004 |
| WINDOWS 1061912 · TMA561972 | Microsoft Corporation | 35 Advertising41 Education42 Science+1 | Registered | 2002 |
| WINDOWS 1010012 · TMA545757 | Microsoft Corporation | 9 Electronics38 Telecommunications | Registered | 2001 |
| WINDOWS 0791577 · TMA479464 | Microsoft Corporation | 16 Paper35 Advertising42 Science | Registered | 1997 |
| WINDOWS 0708515 · TMA459607 | Microsoft Corporation | 9 Electronics16 Paper | Registered | 1996 |
| WINDCAST 2324696 | Kalkomey Enterprises, LLC | 9 Electronics42 Science | Pending | 2024 |
| WindSet 2236917 | Owner not listed | 9 Electronics42 Science | Pending | 2022 |
| WINDOWS 2116795 · design | Microsoft Corporation | 9 Electronics16 Paper35 Advertising+4 | Pending | 2021 |
| WINDCHASER 2218832 · TMA1246856 | Shenzhen Bilifu Technology Co., Ltd. | 9 Electronics | Registered | 2024 |
| WINDSCRIBE 1898919 · TMA1116124 | Windscribe Limited | 38 Telecommunications | Registered | 2021 |
| WINDOWSEAT 1643570 · TMA910681 | HAWORTH, INC. | 20 Furniture | Registered | 2015 |
| WINDSHEER 2100557 · TMA1173821 · design | KADENA INDUSTRIES LIMITED | 25 Clothing | Registered | 2023 |
| WindEagle 2060849 · TMA1223559 | EPSILINE | 9 Electronics38 Telecommunications | Registered | 2024 |
| WINDSCAPE 1617574 · TMA929635 | SKYLINE DISPLAYS, LLC | 6 Metal20 Furniture | Registered | 2016 |