如果有两个公司先后给同一个人申请H1B,这个可以吗?
-Yes, but it is not good at all to ask two employers to file two H1 petitions for you because you waste one of the employers a lot of money and time and thus, it will hurt that employer.
怎么决定哪个生效?
-Both are valid and you can work for either of them.
谢谢。