| MERCATHODE 0376234 · TMA207655 · design | Brunswick Corporation | 9 Electronics | Registered | 1975 |
| MERCODIA 2057456 · TMA1176292 · design | an individual | 1 Chemicals5 Pharmaceuticals42 Science | Registered | 2023 |
| MERCATOR 1925710 · TMA1120578 | Source Type GmbH | 9 Electronics16 Paper42 Science | Registered | 2022 |
| MERCODIA 1864803 · TMA1073711 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2020 |
| MERCEDES 1691470 · TMA984341 | an individual | 7 Machines9 Electronics12 Vehicles+7 | Registered | 2017 |
| MERCATOR 1636705 · TMA889059 | JOST VINEYARDS LIMITED | 33 Wine35 Advertising40 Treatment | Registered | 2014 |
| MERCADO 1242622 · TMA665552 | Mercado Capital Corporation | 36 Finance | Registered | 2006 |
| MERCEDES 1205510 · TMA687703 | an individual | 7 Machines8 Hand9 Electronics+12 | Registered | 2007 |
| MIRACOTE 0424198 · TMA239920 | CROSSFIELD PRODUCTS CORPORATION | 1 Chemicals | Registered | 1980 |
| MERCOID 0132357 · TMDA41048 | Dwyer Instruments, LLC | 9 Electronics | Registered | 1927 |
| MERCEDES 0071366 · TMDA15221 | an individual | 6 Metal7 Machines9 Electronics+8 | Registered | 1910 |
| MERCÉDÈS 0044920 · TMDA8572 | an individual | 7 Machines12 Vehicles | Registered | 1902 |
| MERCEDES 2345025 | an individual | 12 Vehicles14 Jewellery18 Leather+3 | Pending | 2024 |
| MERCEDES 2292978 | an individual | 9 Electronics35 Advertising36 Finance+2 | Pending | 2022 |
| MERCATOR 2114549 | THE CITCO GROUP LIMITED | 9 Electronics35 Advertising36 Finance+2 | Pending | 2021 |
| MARKETBRIDGE 2255466 · TMA1277628 | QUARRY INTEGRATED COMMUNICATIONS INC. | 38 Telecommunications42 Science | Registered | 2024 |
| 123MARKETPLACE 2240551 · TMA1271253 | 123Dentist Inc. | 35 Advertising42 Science | Registered | 2024 |
| MARKETVECTOR 2199352 · TMA1282788 | Van Eck Associates Corporation | 36 Finance | Registered | 2025 |
| MARSHYDRO 2150823 · TMA1206285 · design | an individual | 1 Chemicals6 Metal7 Machines+5 | Registered | 2023 |
| MarketSpot 2150499 · TMA1206268 | an individual | 35 Advertising | Registered | 2023 |
| MRKT 2123205 · TMA1207445 · design | Del Monte International GmbH | 35 Advertising43 Restaurants | Registered | 2023 |
| MARKIT10 2121894 · TMA1232101 | MX Innovation Group Inc. | 35 Advertising | Registered | 2024 |
| MARQUED 2116503 · TMA1161588 | Porsche Digital, Inc. | 35 Advertising | Registered | 2023 |
| MARCTEL 2108890 · TMA1177766 · design | an individual | 21 Housewares | Registered | 2023 |
| morgator 2097180 · TMA1172717 | an individual | 36 Finance37 Construction | Registered | 2023 |