| MICROBLATE 2034784 · TMA1127445 | Creo Medical Ltd | 10 Medical | Registered | 2022 |
| MICROBRICK 2002341 · TMA1145338 | Siliconix Incorporated | 9 Electronics | Registered | 2022 |
| MICROBIT 1713964 · TMA935135 | Toyo Tire Corporation | 12 Vehicles | Registered | 2016 |
| MICROBIT 0832926 · TMA522219 | Toyo Tire Corporation | 12 Vehicles | Registered | 2000 |
| MICROBREATHE 0816218 · TMA478221 | SPECIALTY COATINGS (AUST.) PTY LTD. | 24 Textiles | Registered | 1997 |
| microPROtec 1771735 · TMA1016724 | Kao Kabushiki Kaisha, also trading as Kao Corporation | 3 Cosmetics | Registered | 2019 |
| MICROBT 2188421 · TMA1232694 · design | Shenzhen MicroBT Electronics Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| MICROBT 2188420 · TMA1232693 | Shenzhen MicroBT Electronics Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| MICROBYRE 1953518 · TMA1222694 | Microbyre, Inc. | 42 Science | Registered | 2024 |
| MICROPROSE 1901886 · TMA1084151 | an individual | 9 Electronics28 Toys | Registered | 2020 |
| MICROPROSE 1901885 · TMA1084101 · design | an individual | 9 Electronics28 Toys | Registered | 2020 |
| MICROBIX 1899233 · TMA1169381 | MICROBIX BIOSYSTEMS INC. | 1 Chemicals5 Pharmaceuticals9 Electronics+6 | Registered | 2023 |
| MICROVIT 1863966 · TMA1051331 | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| MICROFINE 1743808 · TMA1070799 | Haddenham Healthcare Limited | 5 Pharmaceuticals9 Electronics10 Medical+2 | Registered | 2020 |
| MICROBOTZ 1616817 · TMA1047770 | Afton Chemical Corporation | 1 Chemicals4 Oils | Registered | 2019 |
| MICROBOTZ 1616816 · TMA1047756 · design | Afton Chemical Corporation | 1 Chemicals4 Oils | Registered | 2019 |
| MICROBOLT 1612510 · TMA876076 | NACHURS ALPINE SOLUTIONS, LLC | 1 Chemicals42 Science44 Medical | Registered | 2014 |
| MICROBYTES 1605103 · TMA897162 | 9200-8283 QUÉBEC INC. opérant sous le nom de MICROBITS | 35 Advertising37 Construction | Registered | 2015 |
| MICROBURST 1514954 · TMA884105 | an individual | 10 Medical21 Housewares | Registered | 2014 |
| MICROBURST 1509680 · TMA958382 | Little Giant Ladder Systems, LLC | 20 Furniture | Registered | 2016 |
| MICROFINE 1486205 · TMA804812 | an individual | 21 Housewares | Registered | 2011 |
| MICROBLUE 1416561 · TMA794285 · design | COBRA ELECTRONICS CORPORATION | 9 Electronics | Registered | 2011 |
| MICROBIO 0862070 · TMA515652 · design | Becker Underwood Limited (a British Company) | 1 Chemicals | Registered | 1999 |
| MICROBIX 0778455 · TMA495951 | MICROBIX BIOSYSTEMS INC. | 5 Pharmaceuticals9 Electronics16 Paper | Registered | 1998 |
| MICROVIT 0703975 · TMA418924 | Owner not shown | 5 Pharmaceuticals | Registered | 1993 |