I am green card holder(not citizen).How my future wife can file a family-based immigration petition to apply for her green card?

After marriage, you can file the FORM I-130 with USCIS. After approval , the case will be routed to the NVC and eventually to the U. S. consulate....

Do I have to move outside US between Sept 24 - Oct 01 ?

Unfortunately, your L-1B status will not "bridge" you with lawful status to October 1, 2016. You need to ask your immigration attorney for guidance.

How can i apply the visa L1 once i have a office in US operated 01 year and i have office in VietNam with 10 years operation.

You can begin by reading the instructions to the FORM I-129L. After you become familiar with the requirements of the L visa you can then assemble...

What will happen if my H-1 gets picked in the lottery. Will it still be valid or will it be revoked?

If the petitioning employer plans to re-hire you on October 1, 2016 then your OPT EAD will be authorized to September 30, 2016. If the FORM I-129H...

Can I travel outside the u.s.without encountering problems upon re entering the u.s.?

You need to obtain the court dispositions of the two convictions and visit a qualified and experienced immigration attorney in your state who can...

Can I just send in copies of the of our marriage license and birth certificates or do I need to send in certified copies?

You can submit uncertified copies to USCIS of a supporting document to an application or petition.

If you indicate in the FORM I-130 that your spouse entered "EWI", the case will not be rejected or denied on that basis. However, your case can be...

Currently how long approximately is an F2B application/process taking for an unmarried son over the age of 21 who is British?

In your case, you can check the Visa Bulletin and you will note that a visa will not be available for at least 5 years in the F2B category.

To get the extension of O-1 visa, what options do I have?

You should inquire with the consulate of your home country as to the requirements for extending the validity of your passport. You also need to ask...

CAN I HELP MY HUSBAND WITH HIS PAPERS

You , as a U.S citizen, can file the FORM I-130 on behalf of your spouse. However , the unlawful entry will not allow the filing of the FORM I-485...