This is another lesson on equitable defenses. It’ll cover the related doctrines of unclean hands and in pari delicto, fraud and mistake, and unconscionability.

I.               Unclean Hands and In Pari Delicto

The unclean-hands and the in pari delicto doctrines are equitable defenses based on a plaintiff’s inequitable or criminal conduct related to a claim brought against the defendant. Although...