how long I have to wait to get responce from USCIS?

来源: 于 2008-11-25 05:13:55 [旧帖] [给我悄悄话] 本文已被阅读：次

My attorney sent a service request for my pending I-140 yesterday.how long do I have to wait to get responce from USCIS?
My I-140 have been pending 18 months.