When filing the N-400, which process is shorter by applying as 'married to US citizen' or 'green card & > 5yrs residence'?

Processing time is the same. If eligible both ways somewhat simpler under 5 year option.

I have my L1B visa, this is my second year. how can i stay in USA beyond 5 years. My company has agreed to apply my GC. Do i nee

Have your employer connect yo to their immigration attorney.

If approvable premium process should not impact the decision. It may cause the examiner to wonder why premium process is needed.

Can I apply for citizenship before the five years of holding the green card are up?

Within 90 days prior to your 3rd anniversary as a resident.

Filing N-400 based on marriage to US citizen_ when can I start to file?

If you continue to reside with your USC spouse in the U.S. 2/12 years plus one day after returning to the U.S.

12 years a go I was arrested for domestic violence in 2007 my green card got expired can I still renew it

Take your disposition to an immigration attorney for review.

K1 visa - beneficiary visiting the US

You will need to establish that you have met in person. The more the better. Prepare with the truth and have documentation that supports the truth.

L1A to Green card

You may be better off waiting until after you have obtained an extension.

What kind of forms I need to fill to apply for the green card through marriage?

As petitioner principal form is I130 as beneficiary principle form is I485

My parents going to be citizen next week I am able to transfer my status from H1? He also put my file based on green card 3 year

The petition for you as unmarried is voided when you married. Your parents when they become citizens and your employer may petition for you. See...