| MTCONNECT 1353219 · TMA794208 | AMT - The Association for Manufacturing Technology (A non-profit Corporation) | 9 Electronics42 Science | Registered | 2011 |
| METACONNECT 1822790 · TMA1023179 | Metamako General Pty Ltd in its capacity as general partner of Metamako Technology LP | 9 Electronics | Registered | 2019 |
| MOTOCONNECT 2282124 | Repairify Solutions, LLC | 37 Construction42 Science45 Legal | Pending | 2023 |
| MEDCONSENT 2034702 · TMA1170714 · design | MedInfoServices Pty Limited | 35 Advertising44 Medical | Registered | 2023 |
| MEDCONCERT 1620175 · TMA880056 | CECITY.COM, INC. | 42 Science | Registered | 2014 |
| MDXONE 1642599 · TMA902651 | MDXONE INC. | 18 Leather28 Toys | Registered | 2015 |
| MEDIACONNEX 1441847 · TMA779739 | GYPCMARQUETTE GROUP ULC / GROUPE GYPCMARQUETTE ULC | 35 Advertising | Registered | 2010 |
| MedConnexions 0912898 | THE CANADIAN MEDICAL ASSOCIATION / ASSOCIATION MÉDICALE CANADIENNE ("CMA") | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2001 |
| MetCuento 2259101 · TMA1277844 | Owner not shown | 25 Clothing | Registered | 2024 |
| MOODSWING 2223072 · TMA1249887 | 14445198 CANADA INC. | 25 Clothing28 Toys | Registered | 2024 |
| MOTOCOMPACTO 2220678 · TMA1259602 | Honda Motor Co. Ltd. | 12 Vehicles | Registered | 2024 |
| MATCH2ME 2158135 · TMA1252250 | Trinny London Limited | 3 Cosmetics8 Hand10 Medical+2 | Registered | 2024 |
| Metcon 2136854 · TMA1177973 | Shanghai Xingtong sports culture development co. LTD | 28 Toys | Registered | 2023 |
| madeking 2129609 · TMA1190959 | Shenzhen Maidejia Technology Co. Ltd. | 21 Housewares | Registered | 2023 |
| METASOMER 2125367 · TMA1206156 | Fairtrax Pty Ltd | 3 Cosmetics5 Pharmaceuticals | Registered | 2023 |
| MOTOSYNC 2119320 · TMA1254746 | Motorola Trademark Holdings, LLC | 9 Electronics | Registered | 2024 |
| MADISON 2118296 · TMA1162755 | ASSA ABLOY Americas Residential Inc. | 6 Metal | Registered | 2023 |
| Mitcent 2109431 · TMA1179209 | Amerisun, Inc | 7 Machines8 Hand11 Lighting+1 | Registered | 2023 |
| MYDCOMBI 2096248 · TMA1208348 | Eyenovia, Inc. | 5 Pharmaceuticals10 Medical44 Medical | Registered | 2023 |
| Meetcoin 2092741 · TMA1232058 | Owner not shown | 9 Electronics36 Finance | Registered | 2024 |
| MEDIAOCEAN 2079538 · TMA1284090 · design | Mediaocean LLC | 42 Science | Registered | 2025 |
| MATSONMONEY 2073415 · TMA1249432 | Matson Money, Inc. | 36 Finance | Registered | 2024 |
| MEITSING 2036088 · TMA1148970 · design | Hangzhou Meiqing Digital Technology Co.Ltd. | 10 Medical | Registered | 2022 |
| MEDCANCARE 2030366 · TMA1135017 · design | MedCanCare Co. Ltd. | 3 Cosmetics5 Pharmaceuticals16 Paper | Registered | 2022 |
| MEDCANCARE 2026295 · TMA1134936 · design | MedCanCare Co. Ltd. | 10 Medical | Registered | 2022 |