| WLS 1885828 · TMA1069605 | Weiler Labeling Systems, LLC | 7 Machines | Registered | 2020 |
| WLG 1861339 · TMA1099067 | WORLD LAW GROUP, LTD. a corporation of the State of Delaware | 2 Paints9 Electronics16 Paper+4 | Registered | 2021 |
| WLS 1502016 · TMA841949 | Hexagon Metrology (Israel) Ltd., an Israeli Company | 9 Electronics | Registered | 2013 |
| WLS 1325886 · TMA754038 | Auto Glass Components, Inc. | 12 Vehicles17 Rubber | Registered | 2009 |
| WILCO 2143603 · TMA1185535 | Four Six Juliet LLC | 9 Electronics45 Legal | Registered | 2023 |
| WALCO 1864764 · TMA1069579 · design | NOVACEL | 7 Machines35 Advertising37 Construction | Registered | 2020 |
| WELCO 1796518 · TMA1046234 | WELCO EXPEDITING LTD. | 35 Advertising37 Construction41 Education | Registered | 2019 |
| WELCO 1777175 · TMA1017188 · design | WELCO Co. Ltd. | 6 Metal7 Machines17 Rubber | Registered | 2019 |
| WELCO 1777173 · TMA996131 · design | WELCO Co. Ltd. | 6 Metal7 Machines17 Rubber | Registered | 2018 |
| WALCH 1684555 · TMA910918 · design | LOHMANN HAAS PHARMACEUTICALS (CHINA) LIMITED | 3 Cosmetics5 Pharmaceuticals16 Paper+1 | Registered | 2015 |
| WALCO 0186284 · UCA20105 | Jacobs & Thompson Inc. | 17 Rubber18 Leather24 Textiles+1 | Registered | 1945 |
| WELCH 2113849 | Welch LLP | 9 Electronics16 Paper35 Advertising+1 | Pending | 2021 |
| WELEKEE 2263484 · TMA1283264 · design | Owner not shown | 12 Vehicles | Registered | 2025 |
| WHALEOS 2262055 · TMA1281344 · design | Beijing Zeasn Information Technology Co. Ltd | 9 Electronics | Registered | 2025 |
| WillsCoo 2232130 · TMA1254008 | Guizhou Weishi Technology Co. Ltd. | 21 Housewares | Registered | 2024 |
| waywalk 2211475 · TMA1246529 | WAYWALK PTE. LTD. | 25 Clothing | Registered | 2024 |
| WELLUCK 2178784 · TMA1228959 | an individual | 9 Electronics | Registered | 2024 |
| WellQ7 2164442 · TMA1219320 | Electrolux Home Products, Inc. | 7 Machines | Registered | 2024 |
| WHEELHOUSE 2147716 · TMA1249204 | Wheelhouse Games, Inc. | 9 Electronics38 Telecommunications41 Education+2 | Registered | 2024 |
| WELLGO 2141950 · TMA1200332 | an individual | 27 Carpets | Registered | 2023 |
| WOOLSCHE 2115443 · TMA1182954 · design | Dongguan Suntech Electronics Co.Ltd. | 16 Paper | Registered | 2023 |
| Walkie 2110284 · TMA1192644 | Shenzhen Canyu Technology Co. Ltd. | 28 Toys | Registered | 2023 |
| WELLISH 2109427 · TMA1195449 · design | Wuhan Ruobei Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| WOWLUX 2101724 · TMA1173893 · design | Shenzhen Ziguang Technology Co. Ltd. | 11 Lighting | Registered | 2023 |
| WULCEA 2075143 · TMA1162521 | an individual | 25 Clothing | Registered | 2023 |