I got laid off with my severance pay ending on 06/12.
Last day of employment was 02/29/2012
My employer notified USCIS regarding my termination mid March
My employer will not stop my severance even I found another during the severance period
I still 3.5 years of H1B quota left
Could my H1B be transferred to a different employer without me leaving the USA
Will I face difficulty re-entering the US if I leave in next few weeks?
You waited too long to transfer. Once the work stops so does the status. You will need to apply for a new H-1B based on the info you presented. Now, you are out of status.
You will likely want to consular process the H1-b, rather than file a change of status, since the employer seems to have contacted DHS about your status. Yes, you may face issues with re-entering the U.S., where you come back too quickly.
It may be best to have a proposed employer file a new premium processed H1-b within six months. Otherwise, you can be subject to the next H1-b Cap. You may also want to consider whether it is possible to seek a TN visa, where the H1-b visas run out.
I strongly recommend an appointment or teleconference with a competent and experienced immigration attorney to discuss these, among other possible visa options before you leave the U.S.
This is general information, not legal advice, and does not create an attorney client relationship.
Go home & get a new H visa ... it isn't that far away and is clearly the best solution.
FORMER IMMIGRATION LAW PROFESSOR -- LEGAL DISCLAIMER: This answer is offered for informational purposes only. It does not constitute an attorney-client relationship.
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