| SPINRAZA 1818024 · TMA1003163 | BIOGEN MA INC. a Massachusetts corporation | 44 Medical | Registered | 2018 |
| SPINRAZA 1739341 · TMA1000853 | BIOGEN MA INC. | 5 Pharmaceuticals | Registered | 2018 |
| SPINAIR 1479142 · TMA798138 | HEYS INTERNATIONAL LTD. | 18 Leather | Registered | 2011 |
| SPINREL 2345186 | an individual | 7 Machines9 Electronics42 Science | Pending | 2024 |
| SPINRACK 2228463 | Spinrack Corporation | 9 Electronics35 Advertising | Pending | 2022 |
| SPOONRADIO 1979564 · TMA1111233 | Spoon Radio Inc. | 9 Electronics38 Telecommunications | Registered | 2021 |
| SVANUR 2262804 · TMA1281408 | Shenzhen Keze Trading Co. Ltd. | 9 Electronics | Registered | 2025 |
| Submrg 2240435 · TMA1260037 | Submrg | 11 Lighting | Registered | 2024 |
| SUPPONOR 2143443 · TMA1213205 | Supponor Holding Limited | 35 Advertising41 Education42 Science | Registered | 2023 |
| SEVEN7ORNINE9 2053974 · TMA1155129 · design | Shenzhen Yuexing Cultural Communication Co. Ltd | 25 Clothing | Registered | 2022 |
| SPINOR 1987148 · TMA1134740 · design | EQIOM | 1 Chemicals19 Building37 Construction | Registered | 2022 |
| SIPHONART 1926360 · TMA1128741 | SIPHONART | 37 Construction | Registered | 2022 |
| SKYBEAMER 1882981 · TMA1064047 | Winora-Staiger GmbH, a German company | 11 Lighting | Registered | 2019 |
| SIPOMER 1777921 · TMA992244 | Owner not shown | 1 Chemicals | Registered | 2018 |
| SUBMARINE 1764566 · TMA968259 | Submarine Ventures, LLC | 35 Advertising41 Education | Registered | 2017 |
| SOUVENOURSE 1687758 · TMA912444 | an individual | 28 Toys | Registered | 2015 |
| SPINWORKS 1673733 · TMA952030 | an individual | 41 Education | Registered | 2016 |
| SAPMER 1617593 · TMA884196 | Owner not shown | 29 Meat | Registered | 2014 |
| SPOONERS 1585916 · TMA856401 | MOM Brands Company, LLC | 30 Coffee | Registered | 2013 |
| SHIPOWNERS 1530974 · TMA857958 · design | The Shipowners' Protection Ltd | 9 Electronics36 Finance | Registered | 2013 |
| SPENNARE 1460768 · TMA836994 | an individual | 20 Furniture | Registered | 2012 |
| SPANNER 1433521 · TMA773600 · design | Spanner Limited | 18 Leather25 Clothing35 Advertising | Registered | 2010 |
| Shopaneer 1420259 · TMA761867 | Legend's Gate Media Inc. | 35 Advertising | Registered | 2010 |
| SPINNER 1372536 · TMA736147 · design | Spinner GmbH | 9 Electronics | Registered | 2009 |
| SCHAFFNER 1311989 · TMA714149 · design | an individual | 9 Electronics11 Lighting42 Science | Registered | 2008 |