| SumiCloud 2177717 · TMA1259459 | Sumitomo Electric Industries, Ltd. | 9 Electronics42 Science | Registered | 2024 |
| SONOCLOUD 1956035 · TMA1203368 | CARTHERA | 10 Medical | Registered | 2023 |
| SUNCLOUD 1294484 · TMA687251 | Safilo USA, Inc. | 25 Clothing | Registered | 2007 |
| SUNCLOUD 0644294 · TMA381691 · design | Safilo USA, Inc. (a New Jersey corporation) | 9 Electronics | Registered | 1991 |
| SUNCLOUD 0484719 · TMA279009 | Safilo USA, Inc. (a New Jersey corporation) | 6 Metal9 Electronics20 Furniture | Registered | 1983 |
| SKINCLOUD 2279997 | Athena Club Holdings, Inc. | 8 Hand | Pending | 2023 |
| SYMCLOUD 2258440 · design | Owner not listed | 9 Electronics38 Telecommunications42 Science | Pending | 2022 |
| SENSOL 2252303 · TMA1271409 | Shanghai Sensol Interactive Co. Ltd. | 28 Toys | Registered | 2024 |
| SUNCLAY 2250726 · TMA1268865 | Owner not listed | 28 Toys | Registered | 2024 |
| Snowglobe 2243150 · TMA1264247 | an individual | 14 Jewellery35 Advertising | Registered | 2024 |
| SINGCALL 2241824 · TMA1261620 | Jinhua Dongwei Information Science & Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| samisoler 2230458 · TMA1255130 | an individual | 28 Toys | Registered | 2024 |
| SINGLESTORE 2228325 · TMA1251496 | Singlestore, Inc. | 9 Electronics | Registered | 2024 |
| SNACKOWL 2215992 · TMA1245377 | Healthy Snacks Holdings Inc | 5 Pharmaceuticals29 Meat30 Coffee | Registered | 2024 |
| SNUGLOW 2206118 · TMA1227385 | an individual | 20 Furniture | Registered | 2024 |
| SUNSELTZ 2195821 · TMA1198249 | Microbrasserie Trois Lacs Inc. | 33 Wine | Registered | 2023 |
| Simwekli 2183633 · TMA1186827 | Owner not shown | 5 Pharmaceuticals | Registered | 2023 |
| Sinnsally 2175830 · TMA1228075 | Chongqing Jinfu Heyue Trading Co. Ltd. | 21 Housewares | Registered | 2024 |
| SNOWSQL 2167373 · TMA1201921 | Snowflake Inc. | 9 Electronics42 Science | Registered | 2023 |
| Snacklafel 2163842 · TMA1269725 | Snacklafel GmbH | 29 Meat30 Coffee | Registered | 2024 |
| SynaGel 2157578 · TMA1193950 | Mjalli Investment Group, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| Sonkoloro 2155728 · TMA1218314 | Yiwu Shuangyu Trading Co.Ltd. | 11 Lighting28 Toys | Registered | 2024 |
| SINGLYFIRE 2153168 · TMA1206423 · design | SUI CHENG LIMITED | 11 Lighting | Registered | 2023 |
| SUYNCLL 2151644 · TMA1205353 · design | Dongguan Wenze Electronic Commerce Co. Ltd. | 7 Machines | Registered | 2023 |
| SNACKALONGS 2147393 · TMA1182032 | PetSmart Home Office LLC | 31 Fresh | Registered | 2023 |