| MULTIPLATE 1707527 · TMA1026500 | Roche Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals10 Medical | Registered | 2019 |
| MULTIPULSE 1999296 · TMA1103013 | ANDRITZ INC. | 7 Machines | Registered | 2021 |
| MULTIPLE+ 1698396 · TMA932100 · design | GLOBAL CENTURY TRADING LIMITED | 9 Electronics10 Medical16 Paper+1 | Registered | 2016 |
| MULTIPULSE 1608224 · TMA922415 | CGG DATA SERVICES SA | 42 Science | Registered | 2015 |
| MULTIPLANE 1359986 · TMA822425 | WM Intellectual Property Holdings, L.L.C. a Delaware limited liability company | 11 Lighting40 Treatment | Registered | 2012 |
| MULTIPLE 0446528 · TMA250959 | DATA Communications Management Corp./Gestion Des Communications DATA Corp. | 16 Paper | Registered | 1980 |
| MULTIPLAST 2360704 | MULTIPLAST | 16 Paper17 Rubber22 Ropes+1 | Pending | 2024 |
| Multipet 2148200 · TMA1187825 | Multipet International Inc. | 28 Toys | Registered | 2023 |
| MULTIPORE 2057598 · TMA1130020 | 3M Company | 5 Pharmaceuticals | Registered | 2022 |
| MULTIPLES 1934065 · TMA1187945 | Jerell Clothing Company LLC | 25 Clothing | Registered | 2023 |
| Multivarie 1920418 · TMA1111800 | an individual | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 2021 |
| MULTIPHY 1894100 · TMA1084900 | Phytelligence, Inc. a Washington corporation | 31 Fresh | Registered | 2020 |
| MULTIFLAME 1841425 · TMA1093346 | Teledyne Detcon, Inc. | 9 Electronics | Registered | 2021 |
| MULTIPL 1787161 · TMA1029346 | an individual | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2019 |
| MULTIPLO 1656800 · TMA910195 | MedMira Laboratories Inc. | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2015 |
| MULTIPOINT 1480369 · TMA938905 | an individual | 10 Medical | Registered | 2016 |
| MULTIPIECE 1390532 · TMA748199 | Purolator Inc. | 39 Transport | Registered | 2009 |
| MULTIPOINT 1354252 · TMA771822 | Microsoft Corporation | 9 Electronics | Registered | 2010 |
| MULTIPASS 1194809 · TMA677353 | Owner not shown | 10 Medical | Registered | 2006 |
| MULTIPLEX 1175677 · TMA675761 | an individual | 21 Housewares | Registered | 2006 |
| MULTIPLY 1149933 · TMA607431 | 2106609 Ontario Limited | 19 Building | Registered | 2004 |
| MULTIPLY 1133770 · TMA592840 | GROUPE SEB CANADA INC. | 21 Housewares28 Toys | Registered | 2003 |
| MULTIPRIME 1067148 · TMA570762 | Hewlett Packard Enterprise Development LP | 9 Electronics | Registered | 2002 |
| MULTIPAX 1034507 · TMA563716 | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 2002 |
| MULTIPLUS 0861956 · TMA504094 | BASF CORPORATION | 1 Chemicals | Registered | 1998 |