I am Jordanian but living in Germany, and my sister (28yo) is an american citizen lives in the states, we share a common father,

Your sister can file for visa sponsorship for you, but it usually takes about 10 years or so for this kind of visa. If you marry to a US citizen...

From the facts you have described, it does not appear that you are eligible for the Green Card, but there may be other ways we can discuss. Please...

How can I get my husband back to the usa I am a citizen of the us and we are married legally for 3 year some one please help??

You should file for visa as soon as possible. I would encourage you to see an immigration attorney. There are plenty on this forum. Good luck

Can I change form H1 B visa to J2 visa without any problem

Please see an immigration attorney to discuss your case specifics. There are plenty of good lawyers on this forum and offer Skype consultation as...

What's the latest date I can apply to extend my visit on B2 visitor visa?

You need to file extension ahead of time before your visa date is passed. I encourage you to see an attorney to file for extension. Good luck

Can a student on b1/b2 visa attend school/ university?

Contact an immigration attorney for consultation as more info is needed. Goodluck

My AOS interview is in One week. My wife, US Citizen said she wont follow me

I agree with my colleague. You need to hire an attorney to go with you at the interview and explain the situation. Good luck to you

Any possibilities to change status?

There are a few possibilities including business and family related visas. Please consult with an immigration attorney. Most of us offer Skype...

My mother is a US citizen and she would like to petition for my sister.

See an immigration attorney to discuss the case further. There are plenty of good attorneys on this forum. Good luck to you

There are plenty of good lawyers listed here. You can choose any competent lawyer in the US and most of us offer Skype consultation as well. I hope...