Downes v Bidwell This is the case that established that Congress was not limited by the Constitution in its territories. Legal Tender Case This is a case in which a man was forced to accept a U.S. note as legal tender. Olmstead v U.S. This is the case that made the patent invasion of privacy known as wiretapping legal and is one of the (il)legal foundations that has introduced the notion to the government that they should have access to encrypted, private communications.