Do I absolutely need to enroll in a university before my OPT ends?

You cannot work legally after your OPT expires if you have not yet been granted CPT status. You will need an I-20 to file the extension of status....

I am a little bit worried, i applied for neutralization and i had my interview on February 7th of this year and i passed

USCIS may be concerned whether you are still living in marital unity with a US Citizen spouse. Consult with an attorney.

My Previous employer has my I-140 approved. Then I moved to Employer B.

If you are working for Employer B, but seek adjustment based on Employer A's petition, there will be a question as to whether there is still a bona...

Can I sue the US based organization and /or its affiliated school in Paris France which my son attended last fall?

What does this question have to do with Immigration Law?

I have filed I-130 for my sister in 2005.. Now she is married and in Canada as a permanent resident. How can I change (cont)

You can forward a copy of her marriage certificate and any other relevant documentation to the NVC and/or USCIS.

What will be my work authorization period?

Bring all of your documents to an immigration attorney and have your case evaluated properly.

You may be able to retain your priority date, but depending on when you change jobs, you may need to undergo a new PERM and I-140 filing.

Terminating Job-Contract of Consulting Company and Liquidated Damages

Consult with a labor/employment attorney. Your contract will likely control whether you are liable in any respect.

You cannot sponsor her to care for your father solely by virtue of the relationship. Consult with an attorney for possible solutions.

Applying for H4 COS from a US Embassy in Canada (Please read additional details)

Changing status and obtaining a new visa are two different ways to accomplish this.