Dr. William:

I filed I-140 and I-485 concurrently in the category of EB1 Outstanding Researcher more than 180 days ago, and my I- 140 application is still pending, is there any risk if I change employer now?

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Answer:

You can change employer only after your I-140 approval and your I-485 has been filed more than 180 days. You should not change employer while the I- 140 application is still pending. Also, there may be risk and problem later with USCIS if you change job without good reason.