As an already Naturalized Citizen, Do I need to obtain a NEW Naturalization Certificate after a legal name change of first name?

No. If needed present the naturalization certificate with evidence of the name change.

I am on welfare, but I am employed. What do I need to do to sponsor somebody?

If you are petitioning based on being a relative, you will need to find a cosponsor if your income is not sufficient. Immigration is Federal Law...

Is the signed offer letter legal in USA for repaying F1 Visa to H1 Visa transfer fees?

The employer is responsible for most fees associated with H-1B. you should should discuss your contractual arrangement with an employment attorney.

1. USCIS processing times can be found on the USCIS website 2. Yes any application may not be approved or rejected by USCIS 3.if you maintain H-4...

Should I apply for just a greencard not for visa for my mother to enter US from Philippines?

if you are US citizen and your mother will remaining the US a a lawful resident best to proceed with the resident process. If your mother intends...

it may take months to resend. Contact USCIS customer service.

While the US does not recognize dual nationality, it does permit person to have more than one nationality. Unless you commit certain acts having...

Will the dependent H4 status gets void/cancelled when principal H1 is transferred to new employer and H4 transfer not applied?

The H-4 is dependent upon the H-1B maintaining status. Speak with your employer's immigration attorney if you are not clear on what has been done...

Have the specifics of your matters review by an immigration attorney before departing the US.

Will my citizenship be revoked?

No the USCIS does not notify other goverments