Will I be able to re-enter the country before my visa expires in August 2016 if I leave now for a visit overseas?

Yes, provided thatyou intend to reenter as an L-1

Late to file i751 and have to leave the country.

I would submit that if USCIS accepts the late filed I-751, then you should be able to travel. It would be very foolish, absent a very grave...

You will have a much easier time getting the passport issued if you wait until after the N-600 is favorable adjudicated.

Would it affect our filing for Citizenship if I didn't change my last name to his when we got married?

The tradition of the female partner adopting the surname or the male partner to a marriage is just that, a tradition, not a legally binding...

My questions are below

If what yousaying is that your friend is intending to use the L-1A nonimmigrant visa to enter the USA and thereafteer engage in activities...

Can she live with her spouse in Viet Nam but still keep her U.S. Citizenship?

SHe can live there, or anywhere, for as long as she wants or needs to without peril to her US citizenship.

I have been married for 3 years and my wife was harassing me and made my life disaster. she had withdrawn I 485 and I 130.

Marital discord, or incompatability alone cannot support an I-360 self petition. Were there any injuries inflicted ? Were the Police ever brought...

Can my employer file an extension for my recently approved H1B petition even if it's not stamped once at least?

It is unclear from your question whether or not you've ever had H-1B status.. If that is indeed the situation, then Mr. Shusterman, who is one of...

Is CSPA applicable to derivative beneficiaries of an F3 petition?

Also, your Mother should file an I-130 for you as soon as possible afte she obtains he rpermanent residency.

Which form should I submit for Affidavit of Support ?

USCIS form I-864. Do read the instruction carefully, it is a complicated form to prepare properly. Good Luck.