| Soojun 2302679 | an individual | 25 Clothing | Pending | 2023 |
| SAHAJAN 1657036 · TMA949228 | 2355644 Ontario Inc. | 3 Cosmetics35 Advertising | Registered | 2016 |
| SIGONNA 2253887 · TMA1233041 | SIGONNA LLC | 9 Electronics | Registered | 2024 |
| SIXIM 2248049 · TMA1267264 · design | ZHEJIANG AMRIY XIANTI GARMENTS CO. LTD | 25 Clothing | Registered | 2024 |
| Seaskin 2247756 · TMA1265973 | Owner not listed | 9 Electronics25 Clothing | Registered | 2024 |
| SIXIM 2239046 · TMA1259860 · design | ZHEJIANG AMRIY XIANTI GARMENTS CO. LTD | 25 Clothing | Registered | 2024 |
| SUGON 2212826 · TMA1245272 · design | Foshan Cengon Electronic Intelligent Equipment Co., Ltd. | 7 Machines | Registered | 2024 |
| SQUISHEEN 2184207 · TMA1230535 | Pusheen Corporation | 28 Toys | Registered | 2024 |
| SAUCONY 2174872 · TMA1278817 | Saucony, Inc. | 9 Electronics35 Advertising41 Education | Registered | 2024 |
| SCICON 2171523 · TMA1253683 | an individual | 9 Electronics12 Vehicles | Registered | 2024 |
| SKYOCEAN 2169564 · TMA1220627 | an individual | 9 Electronics | Registered | 2024 |
| Sukeen 2165908 · TMA1212466 | LONG WAY FASHION JEWELLERY COMPANY LIMITED | 14 Jewellery24 Textiles | Registered | 2023 |
| SOOKIN 2156663 · TMA1208759 | an individual | 16 Paper21 Housewares28 Toys | Registered | 2023 |
| SIKENHO 2151458 · TMA1205347 | Guangzhou Fangzhiyuan Information Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| SOCMA 2147942 · TMA1246259 · design | FUJIAN SOUTHCHINA HEAVY MACHINERY MANUFACTURE CO., LTD | 7 Machines12 Vehicles | Registered | 2024 |
| SIZEN 2147432 · TMA1216277 | OMEX AGRIFLUIDS, INC. | 1 Chemicals | Registered | 2023 |
| Seegene 2141408 · TMA1178016 | Seegene, Inc. | 42 Science44 Medical | Registered | 2023 |
| SAUCONY 2139602 · TMA1199109 | Saucony, Inc. | 18 Leather | Registered | 2023 |
| SAUCONY 2139600 · TMA1226891 · design | Saucony, Inc. | 25 Clothing | Registered | 2024 |
| SICON 2121070 · TMA1206144 | Pfisterer Kontaktsysteme GmbH | 6 Metal9 Electronics20 Furniture | Registered | 2023 |
| SUIZAN 2113189 · TMA1159487 · design | Cocolable inc. | 8 Hand | Registered | 2023 |
| SiCoHome 2111978 · TMA1192729 | an individual | 16 Paper | Registered | 2023 |
| Sishynio 2093021 · TMA1185027 | Kunming Chengrong Electronic Commerce Co. Ltd. | 21 Housewares | Registered | 2023 |
| SESSION 2085866 · TMA1183784 | Trek Bicycle Corporation | 12 Vehicles | Registered | 2023 |
| SUSINEE 2083309 · TMA1167075 | an individual | 28 Toys | Registered | 2023 |