| 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 |
| 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 |
| Simpletaste 2160230 · TMA1218483 | 1byone Products Inc. | 7 Machines21 Housewares | Registered | 2024 |
| simpletaste 1878648 · TMA1067557 | 1byone Products Inc. | 11 Lighting21 Housewares | Registered | 2019 |
| SIMPLEBITES 1660155 · TMA909874 | Quinoa Corporation | 30 Coffee | Registered | 2015 |
| SIMPLEAT 2249017 · TMA1266010 | Owner not listed | 29 Meat | Registered | 2024 |
| SimpleLAN 2183254 · TMA1231290 | 1429481 Ontario Inc.(does business as Pathway Communications) | 9 Electronics38 Telecommunications42 Science | Registered | 2024 |
| SimplEmail 2183251 · TMA1230451 | 1429481 Ontario Inc.(does business as Pathway Communications) | 9 Electronics38 Telecommunications42 Science | Registered | 2024 |
| SIMPLEPASS 2181512 · TMA1230244 | The Gillette Company LLC | 8 Hand | Registered | 2024 |
| SIMPLEAT 2168477 · TMA1245065 | Glanbia Nutritionals Limited | 1 Chemicals42 Science | Registered | 2024 |
| SIMPLELAB 2126437 · TMA1228799 | Simplelab, Inc. | 1 Chemicals42 Science | Registered | 2024 |
| SIMPLISAFE 2104747 · TMA1219679 | SimpliSafe, Inc. | 9 Electronics11 Lighting42 Science | Registered | 2024 |
| SIMPLEWAY 2067779 · TMA1127575 · design | Xiaowei (Shanghai) Biotechnology Co.Ltd. | 21 Housewares | Registered | 2022 |
| simpletome 2062421 · TMA1173252 | SHENZHEN YOUPIN HOUSEWARE CO. LTD. | 21 Housewares | Registered | 2023 |
| SIMPLEWAY 2052037 · TMA1127527 · design | Xiaowei (Shanghai) Biotechnology Co.Ltd. | 3 Cosmetics | Registered | 2022 |
| SIMPLESEAL 2010674 · TMA1145465 | Kenall Manufacturing Company | 11 Lighting | Registered | 2022 |
| SIMPLISAFE 1876815 · TMA1089165 · design | SimpliSafe, Inc. | 9 Electronics42 Science45 Legal | Registered | 2020 |
| SIMPLISAFE 1723172 · TMA1034585 | SimpliSafe, Inc. | 9 Electronics42 Science | Registered | 2019 |
| SIMPLETAP 1596266 · TMA881738 | Belkin International, Inc. | 9 Electronics | Registered | 2014 |
| SimpleTax 1589860 · TMA859479 | SIMPLETAX SOFTWARE INC. | 9 Electronics35 Advertising | Registered | 2013 |
| SIMPLECOTE 1566769 · TMA895217 | THE EMPIRE LIFE INSURANCE COMPANY | 9 Electronics | Registered | 2015 |
| SIMPLEE 1557274 · TMA853613 | Simplee Brands Corp. | 35 Advertising41 Education43 Restaurants | Registered | 2013 |
| SIMPLEXA 1470760 · TMA783699 | DIASORIN MOLECULAR LLC | 5 Pharmaceuticals9 Electronics10 Medical | Registered | 2010 |