| SIBBORAN 1918879 · TMA1115679 | AOP Orphan Pharmaceuticals GmbH | 5 Pharmaceuticals | Registered | 2021 |
| SEABOURN 1263918 · TMA689049 | Seabourn Cruise Line Limited | 16 Paper28 Toys39 Transport+3 | Registered | 2007 |
| SPORN 1245804 · TMA661824 · design | Sporn Pet Products, Inc. | 18 Leather28 Toys | Registered | 2006 |
| SPHERON 0206843 · UCA36228 | CABOT CORPORATION (A DELAWARE CORPORATION) | 2 Paints | Registered | 1950 |
| spheroONE 2177447 · TMA1274122 | Scienion GmbH | 9 Electronics10 Medical42 Science | Registered | 2024 |
| SEABOURNE 2091680 · TMA1275611 | MASCO CANADA LIMITED | 11 Lighting | Registered | 2024 |
| SUPRIM 2239479 · TMA1259936 · design | MICRO-STAR INT'L CO. LTD. | 9 Electronics | Registered | 2024 |
| SUPERHUMAN 2228785 · TMA1267010 | Superhuman Inc. | 5 Pharmaceuticals30 Coffee32 Beer | Registered | 2024 |
| Springbank 2222034 · TMA1253788 | Springbank Mechanical Systems Limited | 37 Construction | Registered | 2024 |
| SUPERMOON 2215736 · TMA1233985 | Audiolineout LLC | 9 Electronics | Registered | 2024 |
| SOPRANO 2211840 · TMA1268462 | Alma Lasers Ltd. | 10 Medical | Registered | 2024 |
| SUPERNEUROS 2196870 · TMA1237315 · design | superneuros | 25 Clothing41 Education | Registered | 2024 |
| SUPERMOUTH 2196141 · TMA1238338 | Smile Makers LLC | 5 Pharmaceuticals9 Electronics10 Medical+7 | Registered | 2024 |
| SpringsYeaz 2194565 · TMA1235127 | Yiwu Chunye E-Commerce Co. Ltd. | 24 Textiles | Registered | 2024 |
| SPIREN 2190970 · TMA1234669 | an individual | 3 Cosmetics9 Electronics11 Lighting+2 | Registered | 2024 |
| SHOPFROMMARS 2190523 · TMA1237190 · design | an individual | 35 Advertising | Registered | 2024 |
| SprintScripts 2187033 · TMA1271145 | PLANET EARTH HEALTHCARE INC. | 35 Advertising39 Transport44 Medical | Registered | 2024 |
| supernote 2184510 · TMA1233501 | Shanghai Ratta Smart Technology Co.Ltd. | 9 Electronics | Registered | 2024 |
| SPRINGFLEX 2180738 · TMA1252328 | an individual | 6 Metal | Registered | 2024 |
| SPRAYMESH 2179209 · TMA1275832 · design | an individual | 11 Lighting | Registered | 2024 |
| SUPRAMIX 2171583 · TMA1226978 · design | an individual | 7 Machines | Registered | 2024 |
| Superhueman 2166635 · TMA1214499 | an individual | 25 Clothing | Registered | 2023 |
| SPRINGWORKS 2165806 · TMA1198182 | SPRINGWORKS FARM MAINE, INC. | 31 Fresh | Registered | 2023 |
| SUPERMOUTH 2165324 · TMA1238243 · design | Smile Makers LLC | 5 Pharmaceuticals9 Electronics10 Medical+7 | Registered | 2024 |
| Springflower 2158901 · TMA1218386 | an individual | 28 Toys | Registered | 2024 |