| MICROSEP 2107501 · TMA1253261 | Fluid Clarification LP | 42 Science | Registered | 2024 |
| MICROSEAL 1810268 · TMA1031374 | Micropulse, Inc. | 39 Transport | Registered | 2019 |
| MICROSOFT 1590964 · TMA993309 · design | Microsoft Corporation | 9 Electronics16 Paper25 Clothing+8 | Registered | 2018 |
| MICROSEMI 1342944 · TMA762469 | Microsemi Corporation | 9 Electronics | Registered | 2010 |
| MICROSEAL 1264416 · TMA718115 | Electrolux Home Care Products, Inc. (a Delaware corporation) | 7 Machines | Registered | 2008 |
| MICROSOFT 1179215 · TMA614880 | Microsoft Corporation | 36 Finance37 Construction40 Treatment | Registered | 2004 |
| MICROJET 1049155 · TMA558568 | PLUMETTAZ SA, a Swiss joint stock company duly organized under the laws of Switzerland | 9 Electronics | Registered | 2002 |
| MICROSOFT 0839710 · TMA520594 | Microsoft Corporation | 9 Electronics28 Toys | Registered | 1999 |
| MICROSOFT 0818561 · TMA482615 | Microsoft Corporation | 35 Advertising41 Education42 Science | Registered | 1997 |
| MICROSOFT 0780520 · TMA471989 | Microsoft Corporation | 38 Telecommunications | Registered | 1997 |
| MICROSOFT 0774043 · TMA453570 | Microsoft Corporation | 25 Clothing | Registered | 1996 |
| MICROSEAL 0736605 · TMA436383 | GIP Paving Inc. | 19 Building | Registered | 1994 |
| MICROSPEC 0676361 · TMA402005 | BUBBLE TECHNOLOGY INDUSTRIES INC. | 9 Electronics | Registered | 1992 |
| MICROSOFT 0490576 · TMA309288 | MICROSOFT CORPORATION, A WASHINGTON CORPORATION | 9 Electronics35 Advertising41 Education+1 | Registered | 1985 |
| MICROSOFT 0456589 · TMA255098 | MICROSOFT CORPORATION, A WASHINGTON CORPORATION | 9 Electronics35 Advertising42 Science | Registered | 1981 |
| MICROSERE 0306667 · TMA157861 | The International Group, Inc. (a Delaware corporation) | 3 Cosmetics4 Oils5 Pharmaceuticals | Registered | 1968 |
| MICROSALT 2268997 · design | Owner not listed | 1 Chemicals29 Meat30 Coffee | Pending | 2023 |
| MicroSalt 2217237 | MicroSalt Ltd | 1 Chemicals30 Coffee | Pending | 2022 |
| MICROSOFT 2133010 | Microsoft Corporation | 16 Paper | Pending | 2021 |
| MICROSOFT 2112749 | Microsoft Corporation | 28 Toys38 Telecommunications42 Science | Pending | 2021 |
| MICROSOFT 2072551 | Microsoft Corporation | 9 Electronics28 Toys35 Advertising+3 | Pending | 2020 |
| Microstruct 2027648 · TMA1134110 | Cohesive Engineering Inc. | 9 Electronics | Registered | 2022 |
| MICROSHEATH 1503407 · TMA868643 | C.R. BARD, INC. A LEGAL ENTITY | 10 Medical | Registered | 2014 |
| MICROSMART 2116369 · TMA1191957 | an individual | 7 Machines | Registered | 2023 |
| MicroShunt 2028131 · TMA1250683 | SANTEN PHARMACEUTICAL CO. LTD. | 10 Medical | Registered | 2024 |