No, Lockheed Martin is offering zero tech transfer as the offset of F-35 purchase.Looks like a twin engined F-35. That means F-35 is going to win F-X program too.
KFX will not attain the full 5th gen status until the internal weapons bay is operational in Block 2.Wonder how the external stores would actually inhibit radar signatures.
This is the reason why the Korean government was hesitant to call KFX a full 5th gen aircraft, because Block 1 units won't have the radio signal emissions control and internal weapons bay ready in time for Block 1 IOC in 2020.