Passed by Congress March 4, 1794. Ratified February 7, 1795.
Note: Article III, section 2, of the Constitution was modified by amendment 11.
The Judicial power of the United States shall not be construed to extend to any suit in law or equity, commenced or prosecuted against one of the United States by Citizens of another State, or by Citizens or Subjects of any Foreign State.
As an example, back in October the Dutch court ruled that Samsung did not infringe on Apple's multi-touch patent despite the U.S. ruling.