Lawyers for owners of a mortgage-free Florida home that Bank of America attempted to foreclose on are bringing an arsenal of legal claims against the banking giant, ranging from obvious claims like conversion and trespass to more unexpected ones like defamation and libel.

Massachusetts residents Charlie and Maria Cardoso, who claimed they bought their second home in Spring Hill, Fla., with cash, sued Bank of America in the District of Massachusetts on Jan. 20 based on actions the bank took in the foreclosure attempt.