Marbury v. Madison
Overview
Marbury v. Madison was an 1803 United States Supreme Court decision that formally asserted and exercised judicial review—the authority of courts to invalidate laws that conflict with the Constitution. The case arose when President John Adams appointed 42 justices of the peace in the final weeks of his presidency. One of these appointees, William Marbury, was denied his commission by the incoming administration of President Thomas Jefferson. The Supreme Court was asked to determine whether Marbury was entitled to his commission.
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