The priority date from an approved I-140 can be recaptured for a new I-140.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature and does not constitute legal advice, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship. Answers on Avvo can only be general ones, as specific answers would require knowledge of all the facts. As such, they may or may not apply to the question.
Your new employer will need to file a new PERM labor certification on your behalf. Once the new labor is certified, your new employer can file a new I-140 on your behalf and request a retention of the earlier priority date (of the first labor cert filed by your current employer).
Disclaimer: The information provided here is generalized and should not be relied upon as legal advice. This communication does not create an attorney-client relationship.