Legal Definition of Noerr–Pennington doctrine
: a doctrine based on the First Amendment right of petition that exempts from antitrust liability the joint efforts of businesses to petition or influence government bodies provided that such activities are not sham
Origin and Etymology of noerr–pennington doctrine
after Eastern Railroad Presidents Conference v. Noerr Motor Freight, Inc., 365 U.S. 127 (1961), and United Mine Workers v. Pennington, 381 U.S. 657 (1965), U.S. Supreme Court cases that established the doctrine
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