LC Subs with concurrent I-140/I-485

roro13

Registered Users (C)
Hi All,
I'm about to use a RIR, EB3 pre-approved LC, my 6 yrs H-1B visa will be expired on Sep. 2006. In addition, I have my own RIR, EB3 pending case with more than 365 days. My lawyer is trying to apply concurrent I-140/I-485.
My question is, can I apply for my 7 yrs extension with I-140/I-485 pending since I'm using substitution?
Or, can I use my own RIR, EB3 LC pending in order to apply for 7 yrs extension since I have already applied for I-140/I-485?
How long does it take to get approval for I-140 and I-485?
Has anyone used pre_approved LC before? Is it possible to get denied?

I really appreciate your response,
roro13
 
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