Which court case overturned more previous decisions, Ableman v. Booth or Massachusetts v. Environmental Protection Agency?
Massachusetts v. Environmental Protection Agency Massachusetts v. Environmental Protection Agency, 549 U.S. 497 (2007), is a 5-4 U.S. Supreme Court case in which twelve states and several cities of the United States brought suit against the Environmental Protection Agency (EPA) to force that federal agency to regulate carbon dioxide and other greenhouse gases (GHGs) as pollutants.
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)  .