| MX-14 2223761 · TMA1262836 | PACCAR Inc | 12 Vehicles | Registered | 2024 |
| MX-11 1688306 · TMA916453 | PACCAR Inc | 12 Vehicles | Registered | 2015 |
| MX-13 1637609 · TMA905164 | PACCAR Inc | 12 Vehicles | Registered | 2015 |
| MS-10 2086408 | FAMENITY CO.LTD. | 5 Pharmaceuticals | Pending | 2021 |
| MK 120 2022890 · TMA1152805 | Continental Automotive Technologies GmbH | 9 Electronics12 Vehicles | Registered | 2022 |
| MAX 1000 2248060 · TMA1267266 · design | Owner not listed | 5 Pharmaceuticals34 Tobacco | Registered | 2024 |
| MES10 1978138 · TMA1144229 | The Mosaic Company | 1 Chemicals | Registered | 2022 |
| MC10+ 1839013 · TMA1055146 | Adey Holdings (2008) Limited | 5 Pharmaceuticals | Registered | 2019 |
| MC10 1702045 · TMA954624 · design | Medidata Solutions, Inc. (a Delaware corporation) | 9 Electronics10 Medical14 Jewellery+1 | Registered | 2016 |
| MX.3 1236806 · TMA696628 | an individual | 9 Electronics42 Science | Registered | 2007 |
| MX20 1987369 | Jeunesse Global Holdings, LLC | 32 Beer | Pending | 2019 |
| MAX 360 1746304 · TMA964088 | Escort Inc. | 9 Electronics | Registered | 2017 |
| MEGA 10 1728422 · TMA959281 | Metagenics LLC | 5 Pharmaceuticals | Registered | 2017 |
| MACH 10 1657142 · TMA937157 | NEPTUNE TECHNOLOGY GROUP INC. | 9 Electronics | Registered | 2016 |
| MEXJAI 2262813 · TMA1284734 · design | Guangzhou Fangze International Trade Co. Ltd. | 3 Cosmetics | Registered | 2025 |
| MYCHWAY 2260561 · TMA1281125 · design | an individual | 3 Cosmetics10 Medical35 Advertising | Registered | 2025 |
| MOYICOW 2260427 · TMA1279446 | an individual | 9 Electronics | Registered | 2024 |
| MUYOKA 2256739 · TMA1276274 | Shanghai Huasha Import & Export Co. Ltd. | 21 Housewares | Registered | 2024 |
| MASKA 2252320 · TMA1251648 | Camions Maska Inc. | 35 Advertising36 Finance37 Construction+1 | Registered | 2024 |
| MIKAH 2249478 · TMA1267410 | an individual | 8 Hand18 Leather | Registered | 2024 |
| MK 2248145 · TMA1279124 · design | Michael Kors (Switzerland) International GmbH | 18 Leather25 Clothing | Registered | 2024 |
| MK 2248144 · TMA1267276 · design | Owner not listed | 18 Leather25 Clothing | Registered | 2024 |
| MK 2248143 · TMA1279123 · design | Michael Kors (Switzerland) International GmbH | 18 Leather25 Clothing | Registered | 2024 |
| MK 2247702 · TMA1279116 · design | Michael Kors (Switzerland) International GmbH | 18 Leather25 Clothing | Registered | 2024 |
| MJW 2246573 · TMA1265801 | Owner not listed | 10 Medical | Registered | 2024 |