Can my wife petition a change of visa status from a F1 OPT to Permanent Resident the day of my Oath Ceremony?

No problems as far as anything you said in your question. For additional information, please see

How long is the grace period for a F1 OPT Visa?

No reason to worry about your grace period. As long as you file a green card application through your spouse ASAP after your date of marriage, you...

What is the Reentry Permit or Refugee Travel Document?

If you do not have a Reentry Permit or a Refugee Travel Document, then just come to your ceremony with your green card.

I-539 RFE

I agree with the above answer. Since an H-4 is a dual intent category, the fact that your employer filed an I-140 on your behalf should not...

A domestic violence conviction is a deportable offense. However, if you are a U.S. citizen, you can sponsor your husband for a green card despite...

F1 student, Visa and I-20 will be expire on June,30, Out of status now cause of not taking 12 units. please help.

It very may. You should get a letter from your counselor explaining the circumstances. Take this letter with you when you apply for an F-1...

Changing from F-1 to B-1 visa?

You should apply for a change of status to a B-2 (visitor for pleasure) rather than to B-1 (business visitor). Please see

My girlfriend of 2yrs wants to sponsor me a greencard

If you marry, and she is a U.S. citizen, she can sponsor you for a green card. The issue is whether your marriage is for love, and not just for a...

Section 212-(a)(6)(c) Material Misrepresentation.

You can apply for a green card. However, because of your fraud, you are considered inadmissible to the U.S. You must apply for an I-601 waiver by...

How long does it take for an i-130 petition to be approved for unmarried daughter or son over 21?

It can take years for the USCIS to look at the petition before there is a multiyear wait because the unmarried daughter can qualify for a green...