| FVCENT 2102017 · TMA1174909 | Yiwu Suoxin Trading Co. Ltd. | 26 Sewing | Registered | 2023 |
| FACNET 2351000 | FACTURATION.NET INC. | 9 Electronics35 Advertising42 Science | Pending | 2024 |
| FKANT 2065158 · TMA1157331 | Shenzhen Langsen International Trading Co. Ltd. | 14 Jewellery | Registered | 2022 |
| FKANT 1950846 · TMA1127745 | Shenzhen Langsen International Trading Co. Ltd. | 1 Chemicals2 Paints3 Cosmetics+37 | Registered | 2022 |
| FACCENT 0782352 · TMA458662 | ELAN TECHNOLOGIES INC. | 9 Electronics | Registered | 1996 |
| FISHNET 2255971 · TMA1273167 | Lashify, Inc. | 3 Cosmetics | Registered | 2024 |
| Fsunthmass 2178197 · TMA1228168 | Changning Nuoyang E-Commerce Co. Ltd. | 21 Housewares | Registered | 2024 |
| FusionDirector 2163835 · TMA1284336 | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics42 Science | Registered | 2025 |
| FIXSMITH 2139428 · TMA1199084 · design | MUTUAL RICH ENTERPRISE LIMITED | 16 Paper | Registered | 2023 |
| fknmnt 2001147 · TMA1128340 | FKNMNT inc. | 25 Clothing | Registered | 2022 |
| FUSIONTRACK 1990799 · TMA1273476 | an individual | 10 Medical | Registered | 2024 |
| FOCONDOT 1985091 · TMA1140943 | Shenzhen Qiudian Technology Co. Ltd. | 11 Lighting | Registered | 2022 |
| FISHANT 1962706 · TMA1121990 · design | Shenzhen Fishant Fishing Tackle Co.Ltd. | 28 Toys | Registered | 2022 |
| fSONET 1932047 · TMA1126738 | ROBCO INC. | 9 Electronics | Registered | 2022 |
| FUSIONTREK 1899658 · TMA1084548 | Cellphone-Mate, Inc. | 9 Electronics | Registered | 2020 |
| fixando 1880292 · TMA1086897 | an individual | 35 Advertising | Registered | 2020 |
| FSENET 1846847 · TMA1064494 | FSE Inc. | 42 Science | Registered | 2019 |
| FASHIONETTE 1820759 · TMA1099465 | an individual | 3 Cosmetics4 Oils5 Pharmaceuticals+11 | Registered | 2021 |
| FACEWINDOWS 1796585 · TMA1061207 | Boardwalk Properties Company Limited | 9 Electronics16 Paper18 Leather+6 | Registered | 2019 |
| Fujimite 1710994 · TMA951909 | Belchim Crop Protection Canada Inc. | 5 Pharmaceuticals | Registered | 2016 |
| FUZIONATE 1683457 · TMA1012764 | H.C. Duke & Son LLC | 7 Machines11 Lighting37 Construction | Registered | 2019 |
| FishHunter 1670194 · TMA975052 | an individual | 8 Hand9 Electronics22 Ropes+2 | Registered | 2017 |
| FISNET 1461049 · TMA801500 | SCHAEFFLER TECHNOLOGIES AG & CO. KG | 7 Machines9 Electronics37 Construction+1 | Registered | 2011 |
| FUJIMEDIC 1441813 · TMA782607 | Xiamen Comfort Science & Technology Group Co. Ltd. | 10 Medical28 Toys | Registered | 2010 |
| FXSENTRY 1347493 · TMA736718 | CGI INFORMATION SYSTEMS AND MANAGEMENT CONSULTANTS INC. | 9 Electronics36 Finance41 Education+1 | Registered | 2009 |