Earlier quoted context omitted.
Have you considered using a debt collection agency? On the first consulting gig I ever did, I was owed $10K by a client who refused to pay. After months of patience, including offers to let them pay off the debt over time I went to a collection agency and got the lot back in a court settlement less $1k in fees for the agency (which at least was tax deductable). I should mention that this was in Australia and I had a…
This guy is far beyond the reach of debt collection agency. He has multiple active civil cases re: money owed. His own former lawyers have been owed money to and have obtained default judgement against him and yet have not been able to collect money as of my last conversation.
Perhaps the real lesson learned is: check out your clients before working with them.