Visa denial

You probably need to get back in touch with the US embassy and ask for an update or clarification. To get help from an attorney you will need to...

You need to check with an immigration attorney in China, or someone here that knows about Chinese immigration laws. This is a U.S. Immigration law...

My husband and children are US Citizens, can we sponsor my mom to become a resident with me being a legal permanent resident?

No, you must be a USC to sponsor your mother and your USC husband cannot do it.

If someone is residing in Pakistan and wants to come to USA for a visit, it's not easy is it?

B2 Visitors have to evidence sufficient ties to home country before they are issued visas. This is often very difficult.

Unless you have a valid EAD you are not authorized to work.

Adjustment of status

DAPA may be a solution for you if it becomes effective. However, that could take some time. Take your immigration documents to an immigration...

I am a transferred student and my new school DSO issued me a new I-20, but my VISA is on old school SEVIS.

Definitely check with the schools DSO, they are experts in F1 issues.

I traveled with a J1 visa, when I came back I forgot to return my I 94 at the airport.

Like you said, if you have proof you entered bc of a entry stamp, you can use that as evidence and it should be fine to show you maintained status...

My I94 expired but my H1B visa is valid till sep 24 2016 in my old passport, which expired 23june 2015.Hw 2 renewI94 in new pspr

You are out of status now and there is no grace period. Either you file the I-539 extension ASAP with a really good reason why you let your status...

You need to work with your current H-1B immigration attorney. You may need to explain to USCIS that you worked but were not paid. Work with your...