AAO

Administrative Appeals Office is an office within USCIS that decides appeals from denials of various petitions by USCIS such as H-1, L-1, I-140 etc.

AAO Processing Times

I-140 backlog  

USCIS has recently updated the number of petitions they have pending. The backlog for I-140 was 40,000 in October and now it is down to 10, 000.

I-485 

USCIS has indicated that the EB-485 team at the NSC center is pre-adjudicating cases and will be ready to approve cases as soon as the priority date becomes current.    

Filing an appeal