What is the defense of unconscionability? What is the difference between substantive unconscionability and procedural unconscionability? What should Florida probate lawyers know about unconscionability? When could this defense be raised in your Florida probate case or Palm Beach contract dispute? You may want to read a Florida Fourth DCA opinion, AMS Staff Leasing Inc. v. Taylor. Although this is not a Florida probate matter, it is a Florida civil case that defines both procedural and substantive unconscionability.