Using previous approved I-140 for H1B extension beyond 6 years?

Depends when your employer withdrew the I-140 or if it was revoked by USCIS.

Filing I140 and 485 Concurrently And Change of job?

Your I-140 is an employer based application. Changing jobs is not recommended.

My wife's visa was stamped IR1 good till Oct 6, 2021? An annotation on her visa when issued was 212(g) what does these mean?

IR1 category means that your wife was issued a visa under the category of "spouse of a LPR or U.S. citizen". Sec. 221g is administrative...

Why does my USCIS account show a delay message on my green card renewal decision ?

You can always send me a message through your USCIS account, letting them know that your card has already been renewed and this message is in...

Can I work on H4 EAD approval notice which I received today i.e., 10/8/2020?

Even though you’ve received approval for your EAD application, it’s not enough to start working. It doesn’t prove anything to your employer, and...

Avvo gives you an option to look for immigration attorneys all over the country. You need to contact one to see what paperwork she is going to need...

Change of status from F1 to H4

As long as you were in status when you filed your change of status, you will not gain any unlawful presence while you case is pending with USCIS.

You should be able to change your status. Along with the proof of marriage, you'll need to send in documents that you are within the authorized...

You have an option to go for visa stamping now or when your visa expires.

Form I-944 Have you ever applied for any of the following public benefits and the application is currently pending or denied?

You can always read the instructions to on how to fill I-944 available on USCIS website. However, I highly recommend having an Immigration Attorney...