| METHODS 2012935 · design | Mouser Electronics, Inc. | 9 Electronics41 Education | Pending | 2019 |
| METHODSNOW 1774571 · TMA976617 | AMERICAN CHEMICAL SOCIETY | 42 Science | Registered | 2017 |
| METHODICO 1817148 · TMA1017326 | Methodico Inc | 42 Science | Registered | 2019 |
| METTODIKA 1740074 · TMA984814 · design | Owner not shown | 35 Advertising | Registered | 2017 |
| MODITK 2249196 · TMA1267375 | Owner not listed | 34 Tobacco | Registered | 2024 |
| MEDITISM 2246921 · TMA1265885 | H. Shakourianfard Medicine Professional Corporation | 44 Medical | Registered | 2024 |
| MDETECT 2202499 · TMA1238849 · design | mDETECT Inc. | 44 Medical | Registered | 2024 |
| mDETECT 2202498 · TMA1238848 | mDETECT Inc. | 44 Medical | Registered | 2024 |
| METADICHOL 2132978 · TMA1134266 | Nanorx Inc. | 5 Pharmaceuticals | Registered | 2022 |
| MediaTek 2108891 · TMA1217013 | MEDIATEK INC. | 9 Electronics42 Science | Registered | 2024 |
| Meditech 1946842 · TMA1178419 | RILORA KNITTING INCORPORATED | 10 Medical25 Clothing | Registered | 2023 |
| MEDATECH 1904243 · TMA1139037 | MEDATECH ENGINEERING SERVICES LTD. | 7 Machines9 Electronics12 Vehicles+1 | Registered | 2022 |
| METATEC 1877848 · TMA1102055 | an individual | 9 Electronics10 Medical | Registered | 2021 |
| METATOKEN 1838463 · TMA1092781 | Shift4 Corporation | 35 Advertising36 Finance38 Telecommunications+1 | Registered | 2021 |
| METAWATCH 1822787 · TMA1023162 | Metamako General Pty Ltd in its capacity as general partner of Metamako Technology LP | 9 Electronics | Registered | 2019 |
| MateDock 1772178 · TMA1028986 | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics | Registered | 2019 |
| MYODETOX 1710103 · TMA940782 · design | Myodetox Group Inc. | 5 Pharmaceuticals9 Electronics10 Medical+6 | Registered | 2016 |
| MYODETOX 1710102 · TMA940792 | Myodetox Group Inc. | 5 Pharmaceuticals9 Electronics10 Medical+6 | Registered | 2016 |
| MIDATECH 1620638 · TMA1027227 | Midatech Limited | 1 Chemicals5 Pharmaceuticals9 Electronics+3 | Registered | 2019 |
| MATETIC 1583423 · TMA861099 · design | Owner not shown | 33 Wine | Registered | 2013 |
| MITETIGHT 1553044 · TMA840735 | Fabrictech 2000, LLC | 24 Textiles | Registered | 2013 |
| MEDIATOUCH 1523898 · TMA875839 | Owner not shown | 9 Electronics38 Telecommunications | Registered | 2014 |
| MEDeDigital 1467018 · TMA832100 | CareRx Corporation | 9 Electronics41 Education42 Science+1 | Registered | 2012 |
| Meditec 1465818 · TMA911229 | BEWATEC Kommunikationstechnik GmbH | 9 Electronics37 Construction38 Telecommunications | Registered | 2015 |
| MOTOHEADZ 1393211 · TMA839309 | Motoheadz | 6 Metal7 Machines8 Hand+23 | Registered | 2013 |