H1B renewal pending 중에는 240일까지 문제 없이 체류/근무 가능합니다.
예전에 변호사한테 받은 내용입니다:
Please note that as your H-1B extension was filed prior to your current H-1B expiration, you are authorized to stay and work in the U.S. for 240 days beyond your current H-1B expiration.