| WORLDCOIN 2143238 | Tools For Humanity Corporation | 9 Electronics36 Finance42 Science | Pending | 2021 |
| WorldDEM 1588218 · TMA882669 | Airbus Defence and Space GmbH | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2014 |
| WORLDOX 1426664 · TMA782644 · design | WORLD SOFTWARE CORPORATION | 9 Electronics | Registered | 2010 |
| WORLDOX 1426574 · TMA784766 · design | WORLD SOFTWARE CORPORATION | 9 Electronics | Registered | 2010 |
| WORLDCAT 0846524 · TMA496962 | OCLC, INC. | 9 Electronics38 Telecommunications39 Transport+2 | Registered | 1998 |
| WORLDOX 0752146 · TMA443358 | WORLD SOFTWARE CORPORATION | 9 Electronics | Registered | 1995 |
| WORLDGO 2350762 | Worldgo Travel Management Ltd. | 39 Transport | Pending | 2024 |
| WORLDBOX 2192453 · design | Owner not shown | 9 Electronics25 Clothing28 Toys+2 | Pending | 2021 |
| WORLDSTORM 1516176 · TMA815344 | Cloud Advertising Agents Inc. | 35 Advertising | Registered | 2012 |
| WORLDSCOPE 0765898 · TMA453891 | Financial & Risk Organisation Limited | 9 Electronics16 Paper35 Advertising+1 | Registered | 1996 |
| 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 |
| 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 |
| WORLDCARE 0830056 · TMA485767 · design | WorldCare Limited | 41 Education44 Medical | Registered | 1997 |
| WORLDCARE 0819498 · TMA483912 | WorldCare Limited | 41 Education44 Medical | Registered | 1997 |
| WORLDCARD 0793337 · TMA532165 | CenturyLink Communications, LLC | 36 Finance38 Telecommunications | Registered | 2000 |
| WORLDESIM 2330407 · design | Owner not listed | 9 Electronics38 Telecommunications | Pending | 2024 |
| WORLDHOST 0922391 · design | Destination BC Corp. | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2013 |
| WORLDHOST 0922390 | Destination BC Corp. | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2013 |
| WORLDCONNEX 2135591 | Globestar Systems Inc. | 35 Advertising41 Education | Pending | 2021 |
| WORLDVUE 1999524 · TMA1156945 | WorldVue Connect, Inc. | 42 Science | Registered | 2022 |
| Worldia 1981568 · TMA1138258 | an individual | 39 Transport43 Restaurants | Registered | 2022 |
| WORLDIA 1955932 · TMA1119978 · design | Beijing Worldia Diamond Tools Co. Ltd. | 7 Machines8 Hand14 Jewellery+2 | Registered | 2022 |