| SIMALOCK 0253936 · TMA117933 | an individual | 7 Machines | Registered | 1960 |
| SIMLOG 1331494 · TMA726002 | SIMLOG INC. | 9 Electronics35 Advertising42 Science | Registered | 2008 |
| SIMILAC 1175858 · TMA614976 | Owner not shown | 5 Pharmaceuticals | Registered | 2004 |
| SIMILAC 2217706 | an individual | 5 Pharmaceuticals10 Medical32 Beer | Pending | 2022 |
| SKIMLOCK 1793602 · TMA1047473 | an individual | 7 Machines11 Lighting | Registered | 2019 |
| SIMULECT 0811164 · TMA536741 | NOVARTIS AG( NOVARTIS SA) ( NOVARTIS INC.) | 5 Pharmaceuticals12 Vehicles16 Paper | Registered | 2000 |
| SEMILAC 2257327 · TMA1273185 | Owner not shown | 3 Cosmetics | Registered | 2024 |
| SAMLYC 2105410 · TMA1175897 · design | ZHUHAI YUCHEN TRADING CO. LTD. | 9 Electronics | Registered | 2023 |
| Semlos 2071152 · TMA1160343 | Shenzhen Senluoxin Technology Co.Ltd | 9 Electronics | Registered | 2023 |
| SOMELOS 1918874 · TMA1114834 · design | an individual | 23 Yarns24 Textiles | Registered | 2021 |
| SYNOLAC 0744674 · TMA449817 | an individual | 1 Chemicals2 Paints9 Electronics+4 | Registered | 1995 |
| SOMLOCK 2360570 · design | Owner not shown | 9 Electronics | Pending | 2024 |
| SOMALOGIC 2004231 · TMA1119649 | SomaLogic Operating Co. Inc. | 5 Pharmaceuticals44 Medical | Registered | 2022 |
| SOMALOGIC 1758798 · TMA1010420 | SomaLogic Operating Co. Inc. | 1 Chemicals | Registered | 2018 |
| SIMULSORB 1372157 · TMA784171 | Multisorb Technologies, Inc. a New York Corporation | 42 Science | Registered | 2010 |
| SOMALOGIC 1067513 · TMA868576 | SomaLogic Operating Co. Inc. | 1 Chemicals42 Science | Registered | 2014 |
| SOMALOGIC 2297371 | Owner not listed | 1 Chemicals9 Electronics42 Science | Pending | 2023 |
| SIMLOGICS 2023428 | Bluedrop Training and Simulation Inc. | 9 Electronics | Pending | 2020 |
| SMILECHEW 2260648 · TMA1279487 | HiSmile IP Pty Ltd. | 3 Cosmetics30 Coffee | Registered | 2024 |
| SMILESTIKA 2254052 · TMA1273046 | HiSmile IP Pty Ltd. | 3 Cosmetics | Registered | 2024 |
| SYNLEX 2197479 · TMA1261285 | Protech Chemicals Ltd./Protech Chimie Ltée. | 17 Rubber | Registered | 2024 |
| SANLIKE 2194802 · TMA1235165 | Shenzhen Sanlike Hardware and plastic Co.Ltd. | 28 Toys | Registered | 2024 |
| SWANLEX 2120733 · TMA1219090 | an individual | 5 Pharmaceuticals21 Housewares | Registered | 2024 |
| SMLXL 2096920 · TMA1172703 | SMLXL Real Estate Corp. | 36 Finance | Registered | 2023 |
| Skinalysis 2096118 · TMA1172669 | Marianna Naturals Corp. | 44 Medical | Registered | 2023 |