Will 10yr multiple entry B2 visa become void if I-94 extension is denied?

no, not automatically

I am currently with L1B, valid till sep 7th 2012. applied extension but received RFE. in the mean time applied H1-b,

Does your company have a lawyer assisting you ?

Transferring from H1 to H4 visa status. Will I have issues going back to H1 status?

sounds right

I LEFT USA BEFORE GETTING THE GREEN CARD WITHOUT RECEIVING REENTRY PERMIT.BUT I GOT REENTRY PERMIT LATER.

Hard to say with those facts, but is USCIS discovers they issued a gree n card in error, they have authority to take away what the granted

He will be placed in removal. he may have a chance with deferred action policy

Question regarding Adj of Status and felony conviction (no deportation) of illegal alien back in the 80's.

You need to hire a lawyer

What is US worker obligation to train H-1B visa worker?

Both attorneys are correct. Contact DOL is you think there is a problem

RFE issued on I-485 but I-130 was already approved.

no way to tell without looking at the RFE

I am a US citizen and would like to sponser my husband, who came to the state without inspection.

Generally, a person who entered the country illegally and is here without proper immigration status must return to his/her home country to file an...

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What is my ability to travel on my H1b visa if I was let go from my employer last month? The visa expires next year.

You could be denied entry as you are now out of status. Having a new employer file for you ASAP ( there is no grace periods or time frame, but...