Yes, if the bank violated the stay, the court should order them to return the payments. Also, the court can fine the bank for violating the stay and could actually lose their lien priority and right to recover from you.
My suggestion is that you file a motion to hold the bank in contempt of court for violating the stay.
Here is an article that explains what it means to violate the stay: http://library.findlaw.com/2000/Sep/1/131041.html
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