| SIMPLESLIDE 1604891 · TMA935317 | PBM Nutritionals, LLC | 5 Pharmaceuticals | Registered | 2016 |
| SIMPLESAVE 1398876 · TMA765796 · design | Hewlett-Packard Development Company, L.P. | 9 Electronics | Registered | 2010 |
| SIMPLESAVE 1395538 · TMA765175 | Hewlett-Packard Development Company, L.P. | 9 Electronics | Registered | 2010 |
| SimpliVoyage!! 1351414 · TMA797032 | RSA Travel Insurance Inc./Assurance Voyage RSA inc. | 36 Finance | Registered | 2011 |
| SIMPLISAFE 2104747 · TMA1219679 | SimpliSafe, Inc. | 9 Electronics11 Lighting42 Science | Registered | 2024 |
| SIMPLESTACK 2096114 · TMA1187359 | School Specialty, LLC | 20 Furniture | Registered | 2023 |
| SIMPLISHADE 2074626 · TMA1138832 | Kerr Corporation | 5 Pharmaceuticals | Registered | 2022 |
| simpletome 2062421 · TMA1173252 | SHENZHEN YOUPIN HOUSEWARE CO. LTD. | 21 Housewares | Registered | 2023 |
| SIMPLESOFFIT 2057084 · TMA1260944 | an individual | 6 Metal | Registered | 2024 |
| SIMPLESEAL 2010674 · TMA1145465 | Kenall Manufacturing Company | 11 Lighting | Registered | 2022 |
| SIMPLESYNC 2002797 · TMA1258873 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| SimpleGood 2001381 · TMA1137303 | an individual | 21 Housewares | Registered | 2022 |
| SIMPLELOAD 1962162 · TMA1262047 · design | Miele & Cie, KG | 7 Machines | Registered | 2024 |
| SIMPLISAFE 1876815 · TMA1089165 · design | SimpliSafe, Inc. | 9 Electronics42 Science45 Legal | Registered | 2020 |
| SIMPLYSHADE 1731343 · TMA998400 | Treasure Garden, Inc. | 11 Lighting18 Leather20 Furniture+2 | Registered | 2018 |
| SIMPLECONNECT 1727665 · TMA1009093 | HUNTER FAN COMPANY | 9 Electronics11 Lighting | Registered | 2018 |
| SIMPLISAFE 1723172 · TMA1034585 | SimpliSafe, Inc. | 9 Electronics42 Science | Registered | 2019 |
| SIMPLESTART 1685441 · TMA925914 | NCS MULTISTAGE, LLC | 6 Metal7 Machines37 Construction+1 | Registered | 2016 |
| SIMPLECOTE 1566769 · TMA895217 | THE EMPIRE LIFE INSURANCE COMPANY | 9 Electronics | Registered | 2015 |
| SIMPLYSHARE 1547236 · TMA892461 | MMD Hong Kong Holding Limited | 9 Electronics | Registered | 2014 |
| SampleSource 1543570 · TMA839403 | SampleSource Incorporated | 35 Advertising | Registered | 2013 |
| SIMPLEACE 1350155 · TMA717550 | ACCEO Solutions Inc. | 9 Electronics | Registered | 2008 |
| SIMPLETAPE 0810481 · TMA474437 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 1 Chemicals6 Metal20 Furniture+1 | Registered | 1997 |
| SIMPLESEAL 0810392 · TMA486253 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 1 Chemicals5 Pharmaceuticals6 Metal+4 | Registered | 1997 |
| Simpledad 2374099 | Fuzhou Feibao Network Technology Co. Ltd. | 20 Furniture | Pending | 2025 |