Either 1) you need to post this question under Oklahoma, not California, or 2) you need to use the Find a Lawyer link on every Avvo page and...

Avvo is for questions of USA law. Your posting involves the law of a different country. ................................

The FBI does not contact potential defendants by texts. This is almost certainly a scam................................

Revenge? You are putting your life in danger, and he will have no difficulty in figuring out who is responsible, especially because you can be...

A trademark is different than a tradename. You can file for trademark registration for a name (or word or design, that is not the name of your...

The chance of recovering your money from this scam is approximately zero. You take it as a lesson learned.

A cease and desist letter not written by a lawyer carries little credibility. A tradename is not the same as a trademark. If your tradename was...

You can hire a lawyer now to evaluate the letter and your version of the facts, or you can wait and see if you are sued and then hire a lawyer to...

Normally yes, (especially if you mention in advance that you will do so), so much so that one suspects there is something missing from your posting...

Yes...................................................................................................................................................