That depends on his situation and what you mean specifically y “fixing his papers”. You should consult with a Board Certified immigration attorney.

You should get that number regardless of how far away it is and, yes, you have that number.

Your employer should have the original, or in some cases your attorney may have retained it.

First, if you have worked at all with that EAD you are no longer in F-1 status so yo need to wait on the 485 decision. In the meantime, your 485...

As long as you complete all degree requirements, and process the lottery registration properly you should be able to do this.

We have been, in limited situations, been able to register for the lottery assuming all course have been completed by the time of the...

It would be best if no documents of any kind were filed with CIS until she had been in the US for at least 90 days. If the I-30 was filed within...

Yes, you can attempt the I-130 petition and assuming you entered the US legally, you can attempt to adjust status with the Immigration Judge. ...

These are questions your immigration attorney should review and answer. He/she can review the actual documents and knows all of the facts of your...

You only need experience if the employer requires that. It is not a legal requirement.