| SERACYCLE 2141450 · TMA1183194 | Amann & Söhne GmbH & Co. KG | 23 Yarns | Registered | 2023 |
| SIRAKOSS 1799086 · TMA1046231 | Sirakoss Limited | 5 Pharmaceuticals10 Medical42 Science+1 | Registered | 2019 |
| SERASEQ 1789039 · TMA1033088 | LGC Clinical Diagnostics, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2019 |
| SIRACUSA 1682970 · TMA961222 | Rea Holdings Inc. | 6 Metal7 Machines8 Hand+15 | Registered | 2017 |
| SYRACUSE 0915873 | Syracuse University | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2004 |
| Shargeek 2242433 · TMA1261730 | Sharge Technology (Shenzhen) Co. LTD | 9 Electronics | Registered | 2024 |
| SURESIGHT 2179279 · TMA1278856 | Owner not shown | 10 Medical | Registered | 2024 |
| SHARKACE 2171032 · TMA1221499 | shenzhenshihengyubafangdianzishangwuyouxiangongsi | 18 Leather | Registered | 2024 |
| SQUIRKIES 2157577 · TMA1232251 | Moose Creative Management Pty Ltd | 28 Toys | Registered | 2024 |
| SARAJISHVILI 2132333 · TMA1239478 · design | an individual | 33 Wine | Registered | 2024 |
| SOURCEGRAPH 2077476 · TMA1141427 | Sourcegraph, Inc. | 42 Science | Registered | 2022 |
| SURECHOICE 1955670 · TMA1159708 | INLINE PLASTICS CORP. | 20 Furniture | Registered | 2023 |
| SOURCEGRAPH 1858885 · TMA1023868 | Sourcegraph, Inc. | 9 Electronics | Registered | 2019 |
| SURGICLOT 1841368 · TMA1078980 | St. Teresa Medical, Inc. | 5 Pharmaceuticals | Registered | 2020 |
| SURGICEL 1836156 · TMA1062126 | Owner not shown | 10 Medical | Registered | 2019 |
| SURGICOUNT360 1804241 · TMA1053941 | STRYKER CORPORATION | 9 Electronics | Registered | 2019 |
| SEERSUCKER 1795738 · TMA1045400 | Azar Distilling, LLC | 33 Wine | Registered | 2019 |
| SAUERESSIG 1785745 · TMA1021528 | Matthews International Corporation | 7 Machines37 Construction40 Treatment+1 | Registered | 2019 |
| SERGAZ 1752200 · TMA958697 | Parkland Corporation | 3 Cosmetics4 Oils37 Construction | Registered | 2016 |
| SERGAZ 1752188 · TMA958698 · design | Parkland Corporation | 3 Cosmetics4 Oils37 Construction | Registered | 2016 |
| SHORESOX 1723583 · TMA989445 | Sox, LLC | 19 Building | Registered | 2018 |
| SURGICOUNT 1718905 · TMA987791 | STRYKER CORPORATION | 5 Pharmaceuticals10 Medical | Registered | 2018 |
| SURGICORDER 1686784 · TMA1043577 | ICUC GmbH c/o LEGATRUST AG | 9 Electronics10 Medical16 Paper+4 | Registered | 2019 |
| SURECHECK 1617780 · TMA898628 | Par Technology Corporation | 9 Electronics | Registered | 2015 |
| SurgeSim 1559650 · TMA844634 | an individual | 9 Electronics | Registered | 2013 |