Which court case overturned more previous decisions, Ableman v. Booth or Massachusetts v. Environmental Protection Agency?
Ableman v. Booth Ableman v. Booth, 62 U.S. 506 (1859) , was a United States Supreme Court case in which the Court held that State courts cannot issue rulings on federal law that contradict the decisions of federal courts, overturning a decision by the Supreme Court of Wisconsin. The Supreme Court held that under the Constitution, the federal courts have the final power to decide cases arising under the Constitution and federal statutes, and that the States do not have the power to overturn those decisions. Thus, Wisconsin did not have the authority to nullify federal judgments or statutes.
Microsoft Corp. v. AT&amp;T Corp. Microsoft v. AT&T, 550 U.S. 437 (2007), was a United States (U.S.) Supreme Court case in which the Supreme Court reversed a previous decision by the Federal Circuit and ruled in favor of Microsoft, holding that Microsoft was not liable for infringement on AT&T's patent under  /271(f) § 271(f)  .