Use the old passport number but enclose a copy of your new passport as well and note it in a cover letter.

How does change of nationality of beneficiary effect the I130 petition?

This will not affect anything negatively, but you should notify USCIS with proof of same.

Can I transfer H1B with another employer when my current transfer is in progress?

Both. You should disclose everything.

Help me with my case . Not sure what went wrong?

You need to ask the attorney team what is going on. They have the facts.

Can my wife go for H4 stamping based upon my H1 approval notice?

You already have an attorney handling your visas, so I am at a loss why you would second guess his/her advice on AVVO. If you do not understand...

How to maintain valid immigration status while staying in USA?

Apply for H-4 and whatever you do, do not fall out of status. Also, confirm whether the J-1 visa has a foreign residence requirement which will...

My L2 EAD expires by Oct'19- however i94 vaid until Feb'20- Can EAD be renewed until then

Yes, you need to file a Form I-765 for another EAD.

EB3/ Asylum pending/ TPS/ Employment authorization

You should not have to leave as you have an I-485 pending. Asylum pending should not negatively affect your getting a green card. After all,...

N400 application problem?

The officer will pick this up since DHS has all your travel records. So pro-actively tell him or her and bring proof. Things should be fine.

I need to get my fiance here from the Philippines what do I need to do?

A fiancé visa requires you to marry her. You need sound immigration legal assistance. Too important with serious personal and financial...