EB1A 和 NIW 之間的差異和比較
The requirements in EB-1 and NIW are different, and the application preparation is significantly different between these two classifications. For example, it may be likely that one could qualify for EB-1, but not NIW. But once your I-140 is approved, there is no major difference between these two classifications for the I-485 application later.
It is possible to file two petitions such as an EB-1 and a NIW at the same time. Some applicants file two I-140 petitions simultaneously in EB-1 and NIW. There is nothing stated in the law that prohibits multiple filings. Actually, multiple filings increase your chances.
The EB1-EA and NIW can be a self-petitioned application and does not need to be sponsored by your current employer. But EB1-OR is an employer-sponsored application, it needs to be sponsored by your current employer. If you are currently employed, your employer’s sponsorship may help your application, including the letters of recommendation, and other evidences. http://www.greencardapply.com/ea/ea_faq.htm
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