| STUDY ME 2049582 · TMA1135798 | Wellspring International Education, LLC | 41 Education42 Science | Registered | 2022 |
| GO STUDY 0918770 | THE UNIVERSITY OF BRITISH COLUMBIA | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2008 |
| YES STUDY 1924219 · TMA1116866 · design | Yes Study Education Group Inc. | 41 Education | Registered | 2022 |
| Fit Study 1773033 · TMA968295 | Open Architects Inc. | 16 Paper42 Science | Registered | 2017 |
| THE STUDY 1329274 · TMA706102 | THE STUDY CORPORATION | 41 Education | Registered | 2008 |
| Study CNC 2346044 | Owner not listed | 35 Advertising | Pending | 2024 |
| STUDY KEY 2309785 · design | Studykey Inc. | 9 Electronics16 Paper25 Clothing+4 | Pending | 2024 |
| STUDY KEY 2309784 | Studykey Inc. | 9 Electronics16 Paper25 Clothing+4 | Pending | 2024 |
| STUDY BUDDY 1574383 · TMA921289 | Brainiac Supplements, LLC | 5 Pharmaceuticals | Registered | 2015 |
| STUDY JUICE 1540653 · TMA839549 | BRAIN FORZA DIETARY SUPPLEMENTS LLC | 5 Pharmaceuticals | Registered | 2013 |
| CHEGG STUDY 2070852 | Chegg, Inc. a Delaware corporation | 9 Electronics35 Advertising38 Telecommunications+3 | Pending | 2020 |
| STUDY FOR FE 1857603 · TMA1018011 | STUDY FOR FE INC. | 16 Paper41 Education | Registered | 2019 |
| Cardio Study 1831526 · TMA1212609 | 7339348 CANADA CORPORATION | 38 Telecommunications44 Medical | Registered | 2023 |
| CARDIO STUDY 1690782 · TMA971071 · design | an individual | 10 Medical35 Advertising38 Telecommunications+1 | Registered | 2017 |
| STUDY ISLAND 1572295 · TMA891454 | Edmentum, Inc. | 42 Science | Registered | 2014 |
| STUDY EXPRESS 1199236 · TMA643368 | an individual | 9 Electronics16 Paper41 Education+2 | Registered | 2005 |
| STUDY PLANNER 2262821 | Owner not listed | 35 Advertising41 Education | Pending | 2023 |
| PMI STUDY HALL 2135897 · TMA1270463 | PROJECT MANAGEMENT INSTITUTE, INC. | 42 Science | Registered | 2024 |
| STUDY AND STAY 2274695 | EduNova Co-Operative Limited | 35 Advertising41 Education | Pending | 2023 |
| Kangaroo Study 2238616 · design | Owner not listed | 16 Paper41 Education42 Science | Pending | 2022 |
| STUDY FLYWHEEL 2219728 | Medify Limited | 9 Electronics41 Education42 Science | Pending | 2022 |
| THE STOP STUDY 0919164 | Centre for Addiction and Mental Health | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2009 |
| EF STUDY ABROAD 2237529 | an individual | 39 Transport41 Education | Pending | 2023 |
| EV IMPACT STUDY 2171038 | FUTURE ENERGY GROUP, LLC | 35 Advertising | Pending | 2022 |
| STEAMBOAT STUDY 2101224 · design | Neurocrine Biosciences, Inc. | 42 Science44 Medical | Pending | 2021 |