| EFFICIENCY 2104964 · TMA1217001 | Skechers U.S.A. Inc. II | 25 Clothing | Registered | 2024 |
| EFFICIENCY + 0883726 · TMA527098 | Lochinvar, LLC | 11 Lighting | Registered | 2000 |
| EFFICIENC 0352351 · TMA191370 · design | CAMPBELL SOUP COMPANY | 29 Meat30 Coffee | Registered | 1973 |
| EFFICIENT 0469801 · TMA301087 | Unilever Canada Inc. | 3 Cosmetics | Registered | 1985 |
| EBOSCIENCE 2312532 | Ebovir Biotechnology Inc. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+1 | Pending | 2024 |
| EfficiencyOne 1914320 · TMA1109144 | EfficiencyOne | 36 Finance41 Education | Registered | 2021 |
| EFFIQUEENC 2053814 · TMA1282115 | 9068-7559 QUÉBEC INC. | 11 Lighting | Registered | 2025 |
| EFFICIENERGY 1677410 · TMA969999 · design | SHUN SHING STANDARD CORPORATION DEVELOPMENT LTD | 9 Electronics | Registered | 2017 |
| EFFICIENCYGRAM 1775978 · TMA980662 | ENEFEN Energy Efficiency Engineering Ltd. | 9 Electronics42 Science | Registered | 2017 |
| EFFISSIMO 1885383 · TMA1080300 | Effissimo Capital Management Pte. Ltd. | 36 Finance | Registered | 2020 |
| EFFUSION 1636582 · TMA974506 | EASTMAN CHEMICAL COMPANY (A corporation of the State of Delaware, USA) | 1 Chemicals | Registered | 2017 |
| EFFICIUM 1594636 · TMA855174 | Owner not shown | 1 Chemicals | Registered | 2013 |
| EFASENSE 1144567 · TMA602099 | BIORIGINAL FOOD & SCIENCE CORP. | 5 Pharmaceuticals9 Electronics | Registered | 2004 |
| EPISHINE 2236954 | an individual | 9 Electronics42 Science | Pending | 2022 |
| EPIXIENNE 2210060 | an individual | 5 Pharmaceuticals | Pending | 2022 |
| EFFICIENT 360° 1626688 · TMA956063 | SIRIUS SERVICES CONSEILS EN TECHONOLOGIE DE L'INFORMATION INC. | 9 Electronics36 Finance | Registered | 2016 |
| Evojomo 2246549 · TMA1265792 | Owner not listed | 8 Hand | Registered | 2024 |
| Evshine 2217973 · TMA1259592 | Yiwu CunFang Trading Co., Ltd | 25 Clothing | Registered | 2024 |
| Eyoyofishcam 2200140 · TMA1231700 | SHENZHEN BLUESKYSEA TECHNOLOGY CO., LTD | 9 Electronics | Registered | 2024 |
| ÉVASION 2182453 · TMA1230302 | Owner not shown | 28 Toys41 Education | Registered | 2024 |
| EVOSEAM 2165987 · TMA1169166 | INTERTAPE POLYMER INC. | 17 Rubber | Registered | 2023 |
| EPCON 2131839 · TMA1193821 | IP86, LLC | 35 Advertising37 Construction | Registered | 2023 |
| EPIGENE-6 2118838 · TMA1195639 | Erno Laszlo, Inc. | 3 Cosmetics | Registered | 2023 |
| EPSON 2088926 · TMA1222821 | Seiko Epson Kabushiki Kaisha (also trading as Seiko Epson Corporation). | 7 Machines16 Paper | Registered | 2024 |
| ePacConnect 2071554 · TMA1130767 | EPAC Holdings, LLC | 40 Treatment | Registered | 2022 |