Can I extend my J-1 visa while having a pending I-539?

It is not a good idea to 'juggle' a pending COS to F while extending the J. Consider withdrawing the 539.

Sure. Go ahead and put all SEVIS numbers ... with (F-1) and (F-2) next to them.

I'ma UScitizen and I filed i130 for my adult children in September2018,I filed using my green card should I update my status?

The lawyer is correct, sometimes it takes a case longer if you notify immigration of your naturalization.

Can i go to India when my future employer (Employer B) is going to file H1b petetion for transfer

Is there a special reason for taking this trip? Normally I would recommend getting B's approval and then getting the visa stamping before...

Question 1: If I apply for my I-485, and we get married AFTER I file I-485 but BEFORE my I-485 is approved and I receive my green card, can I use...

Can I postpone the naturalization interview and the ceremony? Can this impact my case?

Yes, you can request a delay. BUT ... be prepared for a LONG wait to get a new date.

Can I apply for H1B visa in 2021,if my L1A visa extension has been denied recently?

You didn't tell us how long you were in the US on L .... thus we don't know how much max time you can request for the H. A cooling off period is...

As I know R1 visa only for five years. By april 14th my R1 visa get expired. But before my visa get expired I applied for i360.

Doesn't this temple have an immigration lawyer you can consult? He/she is a better person to review your case. Normally, a 360 alone...

Getting a visa stamp can be a problem .... especially if you're thinking of a Day 1 CPT school/program. Have a Skype consultation with an...

Can I leavefrom USA before my i539 biometric done?

If you want to stay, file another I-539 with proof of difficulty in flying home.