| MICROFIL 1084565 · TMA597742 | an individual | 3 Cosmetics | Registered | 2003 |
| MICROFEEL 1980447 · TMA1133821 | ALD GROUP LIMITED | 34 Tobacco | Registered | 2022 |
| MICROFINE 1743808 · TMA1070799 | Haddenham Healthcare Limited | 5 Pharmaceuticals9 Electronics10 Medical+2 | Registered | 2020 |
| MICROFIND 1519989 · TMA870892 · design | an individual | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2014 |
| MICROFINE 1486205 · TMA804812 | an individual | 21 Housewares | Registered | 2011 |
| MICROFIX 1146762 · TMA745043 | Owner not shown | 10 Medical | Registered | 2009 |
| MICROFIX 0803537 · TMA475972 | BECKER UNDERWOOD CANADA LTD. | 1 Chemicals | Registered | 1997 |
| MICROPULL 0434797 · TMA246435 | AMADA MIYACHI AMERICA, INC. | 9 Electronics | Registered | 1980 |
| MICROPILOT 1256993 · TMA679678 | Owner not shown | 9 Electronics | Registered | 2007 |
| MICROPILOT 1194195 · TMA623624 | MicroPilot Inc. | 9 Electronics12 Vehicles35 Advertising+1 | Registered | 2004 |
| MICROBUILD 2307540 | ALLTECH, INC. | 5 Pharmaceuticals31 Fresh | Pending | 2024 |
| MICROPILLOWS 2193766 · TMA1219401 | Fisher & Paykel Healthcare Limited | 10 Medical | Registered | 2024 |
| Microphol 2177865 · TMA1179606 | Bonnie & Claus Inc. | 3 Cosmetics | Registered | 2023 |
| MICROPROFILE 2130518 · TMA1257655 | Eclipse.org Foundation, Inc. | 35 Advertising | Registered | 2024 |
| Microvia 2060822 · TMA1131769 | Owner not shown | 1 Chemicals | Registered | 2022 |
| MICROFROM 2057001 · TMA1153070 · design | Shenzhen Micro Innovation Industry Co.Ltd. | 9 Electronics | Registered | 2022 |
| MICROPROFILE 1987638 · TMA1250595 | Eclipse.org Foundation, Inc. | 42 Science | Registered | 2024 |
| MICROFAB 1943259 · TMA1130927 | SWIMC LLC | 16 Paper | Registered | 2022 |
| MICROPULS 1924728 · TMA1166269 | RÜBIG GESELLSCHAFT m.b.H & Co. KG. a legal entity | 7 Machines9 Electronics37 Construction+2 | Registered | 2023 |
| MICROBIX 1899233 · TMA1169381 | MICROBIX BIOSYSTEMS INC. | 1 Chemicals5 Pharmaceuticals9 Electronics+6 | Registered | 2023 |
| MICROFORM 1890788 · TMA1068058 · design | Wallner Expac, Inc. | 6 Metal | Registered | 2020 |
| MICROFLEX 1865824 · TMA1050204 | Shure Incorporated | 9 Electronics | Registered | 2019 |
| MICROVIT 1863966 · TMA1051331 | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| MicroBalm 1852254 · TMA1120097 | an individual | 16 Paper41 Education44 Medical | Registered | 2022 |
| MICROFAST 1797649 · TMA980819 · design | Microvast Power Systems Co. Ltd. | 12 Vehicles | Registered | 2017 |