| SAMCHROME 1445516 · TMA789339 | an individual | 1 Chemicals6 Metal | Registered | 2011 |
| SIMCERE 2168778 · TMA1282575 · design | Jiangsu Simcere Pharmaceutical Co. Ltd | 5 Pharmaceuticals | Registered | 2025 |
| SYNCHRODE 2113043 · TMA1159478 | an individual | 10 Medical | Registered | 2023 |
| Synchrone 1819587 · TMA1014692 | an individual | 35 Advertising38 Telecommunications | Registered | 2019 |
| SIMUCARE 1761465 · TMA1027316 | Simulab Corporation | 9 Electronics | Registered | 2019 |
| SIMCRO 1405766 · TMA758014 | DATAMARS SA | 10 Medical | Registered | 2010 |
| SYNCHRONE 1160509 · TMA625448 | Owner not shown | 3 Cosmetics | Registered | 2004 |
| SYNCHROMED 0588778 · TMA381806 | MEDTRONIC, INC. | 9 Electronics10 Medical | Registered | 1991 |
| SIMCARE 2226803 · design | Nuo De Su Yuan (Guangzhou) Biotechnology Co. Ltd | 3 Cosmetics | Pending | 2022 |
| SUNCREAT 2341935 · TMA1279686 | Jarder Home Ningbo CO. Ltd | 11 Lighting20 Furniture22 Ropes | Registered | 2024 |
| SUNSCRUB 2296686 · TMA1266098 | Owner not listed | 37 Construction | Registered | 2024 |
| Sumekar 2267351 · TMA1276561 | Shenzhen Mingsen Creative Network Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| Smasrob 2263727 · TMA1283316 | an individual | 18 Leather | Registered | 2025 |
| SNEAKERSPOON 2248572 · TMA1263291 | Owner not listed | 21 Housewares | Registered | 2024 |
| SYNCHROSHIELDREPAIR 2242833 · TMA1258426 · design | SHISEIDO COMPANY, LIMITED | 3 Cosmetics | Registered | 2024 |
| SKINGUARD 2222435 · TMA1252502 | Kimberly-Clark Worldwide, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| Snowcrash 2209753 · TMA1282859 | an individual | 9 Electronics42 Science | Registered | 2025 |
| SWINGER 2208193 · TMA1241598 | FCA US LLC | 12 Vehicles | Registered | 2024 |
| sincreative 2205094 · TMA1240136 | Dongguan Haixun e-commerce Co., Ltd | 11 Lighting | Registered | 2024 |
| SUNGROW 2196272 · TMA1280779 · design | Sungrow Power Supply Co. Ltd. | 9 Electronics | Registered | 2025 |
| Synchronika 2191138 · TMA1261269 | ECM Espresso Coffee Machines Manufacture GmbH | 11 Lighting | Registered | 2024 |
| SNEAKERFISH 2184413 · TMA1261229 | Creative Track Inc. | 9 Electronics16 Paper28 Toys+1 | Registered | 2024 |
| SKINGUARD 2184180 · TMA1230530 | Kimberly-Clark Worldwide, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| Sunssar 2179763 · TMA1183260 | Shenzhen Xincheng Times Technology Co. Ltd. | 35 Advertising | Registered | 2023 |
| Sengrovii 2170387 · TMA1205436 | Owner not shown | 5 Pharmaceuticals | Registered | 2023 |