H1B Transfer PP RFE Approve timeline

F家律师，Engineer. RFE全程只问我要过本科所学课程，其他没管过。

2-14-2018
Received H-1B receipt notice from USCIS

2-28-2018
Received H-1B Request for Evidence notice from USCIS

5-17-2018
Received email notification of H-1B approval from USCIS Premium Processing Unit