I would want to review the last recorded deed. A person can only be removed from real property by court process. Jack

Do I have a malpractice case ?

It seems odd that an attorney would continue representation after being terminated, unless required to do so according to the rules of litigation...

Delaware Series LLC (Protected Series formation and possibility for separate bank accounts and logistical capabilities)?

I've seen you post concerning these matters before. If you intend to file in Delaware, you should consult Delaware counsel. Jack

I think the Court would apply equitable doctrines to achieve a just result, akin to equitable distribution. Rather than litigate a partition...

I'm familiar with this quit claim deed scam. If the fraudulent deed was set aside, I would think ownership would revert back to you. Jack

Domestic Relations is not one of my practice areas, but this sounds like child abuse to me. Jack

You try to reach agreement to have the contract rescinded or otherwise terminated. Jack

I'm a Singaporean. Should I incorporate a remote-first company in USA or Singapore? Customers will primarily be in USA.

I would think you'd be better off with a New York LLC rather than a foreign entity. Your contracts could then state that they were made and...

My ex-boyfriend has made a legal claim that I owe him $23,000?

Retain counsel immediately to try to prevent litigation, and then try to settle the matter without litigation. Jack

If so, how and when would I ask for this?

You can ask for injunctive relief in the initial filing or at any time during the arbitration. Jack