| WORLDSENSE 1866590 · TMA1063861 | Google LLC | 9 Electronics | Registered | 2019 |
| WORLDCARE 1843326 · TMA1104641 · design | WorldCare Limited, a Maryland corporation | 38 Telecommunications44 Medical | Registered | 2021 |
| Worldsoft 1837343 · TMA1008745 | Go World Software Inc. | 42 Science | Registered | 2018 |
| WORLDSHARE 1540642 · TMA851911 | OCLC, INC. | 42 Science | Registered | 2013 |
| WORLDSTORM 1516176 · TMA815344 | Cloud Advertising Agents Inc. | 35 Advertising | Registered | 2012 |
| WORLDCOM 1437748 · TMA765844 | Worldcom Group Inc. | 35 Advertising | Registered | 2010 |
| WORLDTYPE 1338388 · TMA716311 | Monotype Imaging Inc. | 9 Electronics | Registered | 2008 |
| WORLDSHIP 0874439 · TMA664735 | UNITED PARCEL SERVICE OF AMERICA, INC. | 6 Metal9 Electronics12 Vehicles+2 | Registered | 2006 |
| WORLDCARE 0830056 · TMA485767 · design | WorldCare Limited | 41 Education44 Medical | Registered | 1997 |
| WORLDCARE 0819498 · TMA483912 | WorldCare Limited | 41 Education44 Medical | Registered | 1997 |
| WORLDCOIN 2143238 | Tools For Humanity Corporation | 9 Electronics36 Finance42 Science | Pending | 2021 |
| WORLDSOURCE 0890974 · TMA526055 · design | an individual | 29 Meat | Registered | 2000 |
| WORLDSOURCE 0890973 · TMA550647 | an individual | 29 Meat43 Restaurants | Registered | 2001 |
| WORLDCONNEX 2135591 | Globestar Systems Inc. | 35 Advertising41 Education | Pending | 2021 |
| WORLDWISE 2015652 · TMA1147746 · design | DULWICH COLLEGE MANAGEMENT ASIA PACIFIC PTE LTD | 9 Electronics18 Leather28 Toys+3 | Registered | 2022 |
| WORLDVUE 1999524 · TMA1156945 | WorldVue Connect, Inc. | 42 Science | Registered | 2022 |
| WORLDWIDE 1955142 · TMA1210250 · design | Harlequin Enterprises ULC | 9 Electronics16 Paper41 Education | Registered | 2023 |
| WorldAware 1922790 · TMA1136741 | Crisis24, Inc. | 9 Electronics39 Transport42 Science+1 | Registered | 2022 |
| WORLDAWARE 1922256 · TMA1136740 · design | Crisis24, Inc. | 9 Electronics39 Transport42 Science+1 | Registered | 2022 |
| WORLDSTARS 1772982 · TMA976400 | Worldstars International Inc. | 41 Education | Registered | 2017 |
| WORLDCELL 1730437 · TMA998417 | WISE MANUFACTURING, INC. | 17 Rubber | Registered | 2018 |
| WORLDCHAT 1657602 · TMA897116 | an individual | 9 Electronics38 Telecommunications42 Science | Registered | 2015 |
| WORLDHOST 1452534 · TMA774833 | go2 Tourism HR Society | 16 Paper41 Education | Registered | 2010 |
| WORLDOX 1426664 · TMA782644 · design | WORLD SOFTWARE CORPORATION | 9 Electronics | Registered | 2010 |
| WORLDOX 1426574 · TMA784766 · design | WORLD SOFTWARE CORPORATION | 9 Electronics | Registered | 2010 |