| MOORESTYLE 0817880 · TMA478818 | BENJAMIN MOORE & CO. LIMITED | 2 Paints | Registered | 1997 |
| MORSTAR 1450826 · TMA790203 · design | FUZHOU MORSTAR ELECTRIC TECHNOLOGY CO. LTD. | 6 Metal9 Electronics11 Lighting+5 | Registered | 2011 |
| MORSTIK 0760306 · TMA443762 | Rohm and Haas Chemicals LLC (a Delaware limited liability company) | 1 Chemicals | Registered | 1995 |
| Morostron 2374986 | Shenzhen Qisi Digital Technology Co. Ltd. | – | Pending | 2025 |
| 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 |
| MRKTS@777 2072004 · TMA1176405 | 7550375 Canada Inc. | 35 Advertising36 Finance | Registered | 2023 |
| MERCODIA 2057456 · TMA1176292 · design | an individual | 1 Chemicals5 Pharmaceuticals42 Science | Registered | 2023 |
| MEROKEETY 2054699 · TMA1168245 | Yiwu duofang Trade Co., Ltd. | 25 Clothing | Registered | 2023 |
| MIRACETI 2053687 · TMA1159129 | Emeis Cosmetics Pty Ltd | 3 Cosmetics | Registered | 2023 |
| MARKETSIDE 2030262 · TMA1281987 | Walmart Apollo, LLC | 29 Meat30 Coffee32 Beer | Registered | 2025 |
| MARKETRON 2004930 · TMA1129737 · design | Guangzhou Marco Leather Co. Ltd. | 18 Leather | Registered | 2022 |
| MARZETTI 1896 1991594 · TMA1253441 · design | T. MARZETTI COMPANY | 29 Meat30 Coffee | Registered | 2024 |
| MarketCatch 1989068 · TMA1126138 | MarketCatch Inc | 35 Advertising | Registered | 2022 |
| MARGOT 1973314 · TMA1192382 | an individual | 14 Jewellery18 Leather | Registered | 2023 |
| Marigette 1972759 · TMA1120760 | an individual | 5 Pharmaceuticals34 Tobacco | Registered | 2022 |
| MARKETLENS 1969758 · TMA1240583 | Kelley Blue Book Co. Inc. | 9 Electronics42 Science | Registered | 2024 |