Five years minus 90 days. It's often good to have an attorney.

What are you trying to find out? if you are filing an I-134 for your brother, yes, you have to sign the form.

To port to a new employer under AC21 the job needs to be substantially identical. Since the job in question is not identical, you will need a new...

Since she is allowed to study on the H4, I see no reason to get the F1. F1 is harder to get than H4 because of the dual intent [immigrate and...

I am not aware of any change in the law since the time of that memo.

No, applying for a B1/B2 will not have an impact on your employer's R1 visa application.

The H1b amendment petition should not have any impact on your children entering the U.S. on their H4 visas.

He should be eligible for an H4. Send proof you are the mother, you were married to the father before he turned 18, and that the father is an H1b.

She will be out of status immediately if she is denied. The denial, by itself, does not disqualify her from a future visa or green card.

You could try filing an application for Deferred Action status, or he can immigrate the same way anyone else would immigrate, employment or family...