| MicroShunt 2028131 · TMA1250683 | SANTEN PHARMACEUTICAL CO. LTD. | 10 Medical | Registered | 2024 |
| MICROSOFT 1590964 · TMA993309 · design | Microsoft Corporation | 9 Electronics16 Paper25 Clothing+8 | Registered | 2018 |
| MICROSOFT 1179215 · TMA614880 | Microsoft Corporation | 36 Finance37 Construction40 Treatment | Registered | 2004 |
| 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 |
| 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 |
| 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 |
| MICROSHIELD 1643107 · TMA1003286 | Hunter Douglas Inc. | 24 Textiles | Registered | 2018 |
| MICROSHEATH 1503407 · TMA868643 | C.R. BARD, INC. A LEGAL ENTITY | 10 Medical | Registered | 2014 |
| MICROSMART 2116369 · TMA1191957 | an individual | 7 Machines | Registered | 2023 |
| Microgifts 2048206 · TMA1125155 | Microgifts Pty Ltd | 9 Electronics | Registered | 2022 |
| MICROSAFE 1995856 · TMA1102986 | DRUMMOND SCIENTIFIC COMPANY | 10 Medical | Registered | 2021 |
| MICROSILK 1867357 · TMA1162881 | Bolt Threads, Inc. | 22 Ropes23 Yarns24 Textiles+1 | Registered | 2023 |
| MICROSILK 1713796 · TMA940005 · design | American Industrial Brands, LLC | 11 Lighting | Registered | 2016 |
| MICROSPIN 1706781 · TMA988362 | Celestron Acquisition, LLC | 9 Electronics | Registered | 2018 |
| MICROCHILL 1614127 · TMA928953 | an individual | 9 Electronics18 Leather25 Clothing+3 | Registered | 2016 |
| MICROSLICE 1499532 · TMA823152 | BANK OF AMERICA CORPORATION (a Delaware Corporation) | 36 Finance | Registered | 2012 |
| MICROSILK 1491245 · TMA839241 | American Industrial Brands, LLC | 10 Medical11 Lighting | Registered | 2013 |
| MICROSIL 1401106 · TMA801045 | Sun Chemical Corporation | 1 Chemicals | Registered | 2011 |
| MICROSHEER 1279683 · TMA695332 | Church & Dwight Co. Inc. (a Delaware corporation) | 10 Medical | Registered | 2007 |