Can I get an attorney even if I did the I-130 to speed the process? Also what is the normal wait for a respond from form I-130.

You can hire an attorney at any time during the process. Click on the "Find a Lawyer" button on this page.

We submitted all the documents in December 2013, and when checking our status online it says : See Details below

If you submitted all the documents in December 2013, then it sounds like your case is fine.

I am planning on going to Puerto Rico this July, just wondering will I have any problems coming back to the united states?

PR is considered a Commonwealth of the US, akin to another State. Check with the airline for documentary requirements.

If i do get selected for an interview and its the last month is Aos risky???

If you are maintaining valid status, the only risk is whether you are refused and must then seek a new F-1 visa.

Am I eligible to work for my new employer

You should show the I-797 from the current employer if returning on an H-1B visa that was issued under the petition of a different employer.

Extended review could mean many different things, such as background clearances are delayed, or the case is under investigation.

Filed for I-751 With Pending Divorce status.

The USCIS will deny a case involving a request for a "good faith" waiver unless the divorce is final.

I-864 Affidavit of Support

Read the I-864 instructions very carefully. I-864A should be submitted by your wife.

USCIS approved i-130 with a unregistered marriage certificate. Can my spouse carry the same document for interview at consulate?

You generally must present an original or certified copy of the registered certificate at the visa interview.

I131 - Advanced Parole(AP)

It takes up to 90 days to get an AP. It is possible, though not recommended, to depart while the AP is in progress.