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United States
petitioning immunityantitrust exemption
UMW v Pennington
United Mine Workers of America v. Pennington, 381 U.S. 657 (1965)
Key Principle
Joint efforts to influence public officials are immune from the antitrust laws even where intended to eliminate competition, extending Noerr immunity from the legislative arena to petitioning of executive officials and administrative agencies.
Area of Law
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