You might get somewhere suing the bank if they caused you any harm.
Plus a series of judgements does a good job of illustrating to others that all allegations were false, and were looked at by a court (possibly multiple times) to determine if they had any validity.
3 judgements in your favor is a good rebuttal if it ever comes up again...
You'd end up costing yourself money, just in the sheer time it would take to do it.