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If you cannot get the attorney who initially handled this matter to assist you, then you need to now file a motion for an order to show cause for contempt of court in the court where the order was filed. You can seek assistance of another local attorney to file as well. The matter has to be brought back before the court to get the judgment enforced and the judgment is still valid in PA. If the court finds that this was a settlement agreement and not a judgment, because it was not a valid court order, you had 4 years since the date he breached the contract by non-payment to file suit for breach of contract, since settlement agreements are treated like contracts by the court, so you need to hurry to try to file your motion so you have time to sue for breach of contract if the court claims the judgment is not valid.
The problem you have is if you need to sue the first attorney for malpractice, since there is a 2 year statute of limitations in PA to sue for malpractice.
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