| WEZ 1983607 · TMA1111268 · design | Sumitomo Electric Industries, Ltd. | 7 Machines | Registered | 2021 |
| WEGO!! 1915771 · TMA1119927 · design | WeGo Companies, LLC | 6 Metal7 Machines20 Furniture+1 | Registered | 2022 |
| WAZO 1875521 · TMA1176948 | Communication Wazo Inc. | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2023 |
| WECO 1855689 · TMA1077231 · design | Weco Elevator Products Ltd | 7 Machines11 Lighting37 Construction | Registered | 2020 |
| WEJO 1697507 · TMA943987 | Wejo Limited | 9 Electronics35 Advertising36 Finance+3 | Registered | 2016 |
| WECO 1625151 · TMA902984 | FMC TECHNOLOGIES, INC. (a Delaware corporation) | 6 Metal7 Machines9 Electronics+3 | Registered | 2015 |
| WEGO 1199510 · TMA634270 · design | TAISCHUH CORP. | 18 Leather25 Clothing35 Advertising | Registered | 2005 |
| WECO 0892500 · TMA533572 | an individual | 7 Machines9 Electronics16 Paper+4 | Registered | 2000 |
| WECO 0892499 · TMA533568 · design | an individual | 7 Machines9 Electronics16 Paper+4 | Registered | 2000 |
| WECO 0590724 · TMA348842 · design | 7195087 CANADA INC. | 9 Electronics | Registered | 1988 |
| WAZO 2233615 · design | Communication Wazo Inc. | 9 Electronics35 Advertising38 Telecommunications+2 | Pending | 2023 |
| WAZO 2196981 | Wazo Furniture Inc. | 16 Paper20 Furniture27 Carpets+1 | Pending | 2022 |
| WAZO 2196979 · design | Wazo Furniture Inc. | 16 Paper20 Furniture27 Carpets+1 | Pending | 2022 |
| WAZO 2196978 · design | Wazo Furniture Inc. | 16 Paper20 Furniture27 Carpets+1 | Pending | 2022 |
| WEJOY. 2211542 · TMA1242980 · design | WEJOY HEALTH PTE. LTD. | 5 Pharmaceuticals | Registered | 2024 |
| WIZOO 1923002 · TMA1126105 | an individual | 42 Science44 Medical | Registered | 2022 |
| WESCO 1648231 · TMA955563 · design | Naber GmbH | 6 Metal8 Hand9 Electronics+2 | Registered | 2016 |
| WAECO 1619161 · TMA954391 | an individual | 6 Metal7 Machines9 Electronics+4 | Registered | 2016 |
| WESCO 1301979 · TMA786338 · design | Naber GmbH | 6 Metal8 Hand9 Electronics+5 | Registered | 2011 |
| WESCO 1178221 · TMA646537 | WESCO Equity Corporation, a Delaware corporation | 35 Advertising | Registered | 2005 |
| WEEGO 2190085 | Spin Master Ltd. | 41 Education | Pending | 2022 |
| WESCO 2187101 | WESCO Distribution, Inc. | 6 Metal9 Electronics35 Advertising+4 | Pending | 2022 |
| WEKEO 1926072 | Owner not shown | 35 Advertising38 Telecommunications41 Education+1 | Pending | 2018 |
| WISE 2308486 · TMA1236648 · design | Wise Payments Limited | 9 Electronics | Registered | 2024 |
| WOXXX 2264889 · TMA1284909 | Dongguan Wukesong Network Technology Co., Ltd. | 11 Lighting | Registered | 2025 |