I am on my STEM OPT and my H1 is recently approved. But change of status from F-1 to H-1 is denied.

I would recommend talking to an experienced Immigration Attorney about your case ASAP. In view of the recent memo students accrue unlawful...

Can I change employers during administrative processing (PERM application)?

You cannot change employers at this stage. That would require a new PERM/I-140.

Correct, your eligibility is based on her country of birth and the fact that you are married. If divorced you would not longer be able to rely on...

Can I file new LCA during government shutdown?

Shutdown is not affecting the filing of an LCA. As of now they are still being certified although it may take a few days extra.

What happens if I don't get PERM approval prior to H1B expiration?

If your six years expires Oct 2020 then filing the PERM prior to the expiration of your 5th year (i.e. Oct 2019) will afford additional protection....

H1B transfer on consular approval?

I agree with my first colleague. You can't file a transfer unless you work for the original employer. You should go for stamping, come back and...

How to go about my H1B denial? Will my petition be reconsidered?

The Attorney was not under an obligation to update you on the case, for example when he replied to the RFE. Attorneys represent the employer and...

What are the options if i overstayed here in the USA.

You would either need to file a change of status or extension prior to January 12. In order to extend this you would need to show a good reason...

Can I apply for change of status from B-2 to L-2 based on my wife's L-1 approval prior to my wife changed her status?

Even though your wife has an approval notice she will not be in L-1 status until she has been to the Consulate and re-entered the US in L-1 status....

H1B in progress , leaving the country and have to visit family using other visa?

If you can file a change of status to H4 in the next 7 days then this will avoid you having to leave. Otherwise you will have to leave and come...