| SEQUIVITY 1954844 · TMA1211465 | an individual | 42 Science | Registered | 2023 |
| SEQUIVITY 1801764 · TMA1045591 | an individual | 5 Pharmaceuticals40 Treatment42 Science | Registered | 2019 |
| SEEKBOT 2173045 · TMA1229388 · design | Shanghai Tanxun Information Technology Co. Ltd. | 9 Electronics14 Jewellery16 Paper+2 | Registered | 2024 |
| Secopad 2134254 · TMA1195903 | Xuyi Xinfeiyan E-commerce Co. Ltd. | 17 Rubber | Registered | 2023 |
| Socobeta 2114939 · TMA1168969 | SHENZHEN CHUJIN NETWORK TECHNOLOGY CO.LTD | 9 Electronics | Registered | 2023 |
| Sawasoft 2108536 · TMA1229911 | an individual | 24 Textiles | Registered | 2024 |
| SeaSpider 1935412 · TMA1154485 | ATLAS ELEKTRONIK GmbH and thyssenkrupp AG, joint applicants | 7 Machines9 Electronics13 Firearms | Registered | 2022 |
| SIZEFIT 1895461 · TMA1087989 · design | WINTERSTEIGER Sports GmbH | 7 Machines9 Electronics | Registered | 2020 |
| SASKFIT 1831496 · TMA1004289 | Saskatchewan Parks and Recreation Association | 25 Clothing41 Education | Registered | 2018 |
| SKYEXPEDITION 1701619 · TMA938180 | Celestron Acquisition, LLC | 9 Electronics | Registered | 2016 |
| SIKABIT 1665545 · TMA1034878 | an individual | 19 Building | Registered | 2019 |
| SICPADIGITALIS 1488057 · TMA810115 | SICPA HOLDING SA | 1 Chemicals2 Paints16 Paper+2 | Registered | 2011 |
| Sciosoft 1461629 · TMA839537 | Sciosoft Systems Inc. | 9 Electronics16 Paper35 Advertising+3 | Registered | 2013 |
| SAXIBITION 1388739 · TMA743865 · design | Ontario Accommodation Association | 35 Advertising | Registered | 2009 |
| SICPADATA 1185538 · TMA662296 | an individual | 2 Paints9 Electronics16 Paper+2 | Registered | 2006 |
| SICPATRACE 1068681 · TMA586968 | an individual | 2 Paints9 Electronics16 Paper+5 | Registered | 2003 |
| SASOBIT 0896760 · TMA544131 | SASOL Germany GmbH | 1 Chemicals | Registered | 2001 |
| SOCBTNSO 2374707 | Xiaoyi Bu'anlong Electronic Commerce Co. Ltd. | 28 Toys | Pending | 2025 |
| Sijipt 2374303 | Owner not shown | 11 Lighting | Pending | 2025 |
| SQUEEZEPOD 2374214 | WINPAK LTD. | 7 Machines16 Paper40 Treatment | Pending | 2025 |
| SCISPOT 2349503 | Scispot.io, Inc. | 42 Science | Pending | 2024 |
| SAGIBATTEN 2341737 | Owner not shown | 6 Metal | Pending | 2024 |
| Sozapooty 2308988 | Dongguan Haicheng Yonghe Air Conditioning Purification Technology Co. Ltd. | 10 Medical11 Lighting | Pending | 2024 |
| SAGEVEDA 2296868 | Leo Marketing Enterprises Inc. | 3 Cosmetics6 Metal14 Jewellery+3 | Pending | 2023 |
| SOCAFIT 2112684 | an individual | 9 Electronics25 Clothing38 Telecommunications+1 | Pending | 2021 |