Should I gather any documents from Employer A before leaving job which might be required for remaining GC process?

As long as you can prove that you worked there on the position supported and did not engage in immigration fraud in that you got petitioned by a...

As I explained to you in your subsequent post - it could create grounds of removability: (E) Crimes of domestic violence, stalking, or violation...

Domestic violence if not a crime, could still create discretionary issues for the adjudicator and raise deportation grounds for removal. Ina...

Can I continue to stay if i apply for my green card after opt EXPIRES? (on grace period)

Grace period is a valid F1 status. If you are marrying a USC, you are an immediate relative and are excused indeed from status violations, if any.

Can I still fix my papers if I divorce her?

What is your spouse's immigration status and how did you enter the USA.

How much more can I stay in US. I am confused on 6 year max stay for H1B holders. Can you explain the computation of the period?

Only time actually spent in the USA is counted. You need to communicate with the attorney who is doing the petition for the employer or did the...

How can I restore my driver license and registration and could I have any issues with that during US naturalization?

I agree. None of this is related to the US immigration law. You need to deal with the laws of NY/NJ states and then the DOS rules.

How to obtain court disposition for AOS interview ?

You probably know where the incident happen and could at least pay a visit to that court and if they do not have a record, get a letter they do not...

What does new card in production means?

Hopefully it means that your petition was approved and the new card is in production, Many jointly filed petitions are approved fast and without an...

What will happen if the Form I-90, renewal of green card is submit more than six months before the expiration date?

USCIS is instructed by the regs to not accept application filed more than 180 days in advance of the expiration of the benefit they seek to extend.