What is required documents , fees and address to file I-539?

You can find the answer to your question by going to www.uscis.gov and clicking on forms then scrolling to form I- 539 and scripling down to filing...

As my colleague pointed outbthis question is better suited for a phone ornin person consultation. NIWs is a specialized area of Immigration law and...

Can i leave the US after filling form i130 and come back to adjust status later?

That would likely be a problem. How would you re-enter? Tourist Visa - that contradicts the I-130 that was filed for you indicating you want to...

I'm US resident for three years, my mom live in USA for 15 years can I apply for paper for her or should I wait to became US ?

You cant apply fornywr green card until you are a citizen.

Check processing times at www.uscis.gov under N400 for office you will be interviewed at. It is not unusual to still be waiting after 7 months.

Do I qualify for the child protection act in my situation? (20 year old Student in the US on F-1 Visa) (Will turn 21 in Aug 2018

You will likely age out and be converted to F2B category for children over 21. Your case will take longer than your sister.

Child Status Protection App and permeant resident Parent. How does the Math work/Eligibility ?

Your petition fornyour brother is in the family 4th preference category and will take many years. Your mother can now apply for him as a hreen card...

Applying for n400 ?

Its ok if both returns show same address. You need joint evidence over the last 3 years like lease, utility bills, if you have joint health auto...

When is the latest you can apply for removal of conditional residence for green card?

Anytime in 90 day window before card expires.

I petition my sister and her son with i130 her son turn 21 before the petition is approve will he be disqualified

Depends if he is covered by the child status protection act. Need to know how much he is over 21 when visa ready and how long it took immigration...