Thank you for your new question and update.
At this point, you need to first send a letter to the attorney that the rules of professional conduct require him to communicate with his client and also require him to surrender payments to the client within a reasonable time. Tell him in the letter that his failure to comport to the rules of conduct will result in you having to consider further action and give him 14 days to do so and you would hold him in breach of contract
and not entitled to further payment.
If he does not respond to your letter, then you need to file your complaint with the disciplinary counsel regarding his violation of the rules of professional conduct.
If he fails to comply, in addition to filing your complaint you would also dismiss him based on breach of contract.
I would not draft a new fee agreement with him, I would terminate him and file a complaint.
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