You can see if his lawyer will speak to you. I can't promise either that his lawyer is presently being paid to work the case, or that he will be willing to speak to you unless your former lawyer has confirmed that he's no longer representing you, but you won't know until you call.
If you file a motion, you pay the filing fee and for your legal fees. You are free to ask for sanctions, consistent with the facts, and the governing laws and rules of court.

