Been 2 months since I applied for OPT, still initial review? And H1B has been filed while OPT is pending - advice?

If the H-1B is approved, the OPT will likely be considered abandoned.

Is AC21 required for spouse, if spouse is moving to different job on EAD. Primary applicant is still staying with same employer.

No. She is a derivative applicant

Employer A applied for my H1B. Got offer from Employer B who is ready to file H1B too. I am on OPT. Can I start with company B?

It is not a transfer. Company B will file a fresh H-1B petition in your behalf.

Can I extend my I-94 locally without going to Mexico/Canada ?

You can seek extension of your H-4 status if you continue to maintain status and your husband continues to maintain his H-1B status in the U.S.

My employer filed my LCA yesterday. How long does it take for processing?

About 7 days

Extension applications are filed with the USCIS. What status are you seeking to extend?

Converting from H4 to F1 and getting stamped on F1.

1) Home country 2) Not recommended 3) Could be rejected 4) Home country or country where the last degree was awarded

When should I apply for H1B?

You seem to have choices. If USCIS determines that they have not received over 20,000 Master's cases or cap cases, your employer can still file. ...

I was denied a B2 visa this month but was wondering if my circumstances changed enough to apply for an F1 Visa.

If B-2 was denied due to strong ties to home country issue, F-1 is likely to get denied for the same reason unless there has been a change in...

L1 and I94 expires on July 2013. My wife I94 is valid till jan 2016. Can she stay in US even if my L1 extension gets rejected?

Your wife's L-2 status is dependent on you irrespective of her I-94 expiration date. If the L-1 extension gets denied and you have no status after...