Not a revocable trust, but it's possible with an irrevocable trust either created while you were alive or created at your death. I call this...

Line L is the one that applies. Transfer to a revocable trust for the benefit of the trasferor.

They can be, but are not necessary at all for legality.

Depending on what written proof you may have of your brother's intention that the account be part of his trust, you be able to pursue a Heggstad...

There are no standard fees and filing costs for a petition such as this.

it is also important to hire an attorney that knows how matters such as this are handled in the Probate Court in Alameda County, which is different...

The only way to legally change an AB trust after the death of the first spouse is to go to Probate Court and petition for the change. It would...

Does Trust Litigation require a specialist in this area?

I would defer towards working with a specialist in trust litigation. Saying that "litigation is litigation" is like saying that brain surgery is...

Can a revocable living trust be a beneficiary of a bank account and would the funds be paid to the trust and avoid probate tax ?

Designating a trust as beneficiary of a bank account will avoid Probate. There are no "probate taxes."

Do I file a Affidavit of Death or Affidavit of Death of Trustee?

If she had no real property at all, there is nothing to record with the County Recorder. You can handle the administration completely privately.