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First sale doctrine is a principle under [[copyright law]] that protects the right of an owner of a work (e.g., book, movie or CD) to sell or transfer his copy however he likes.  The common-law roots of the first sale doctrine allowed the owner of a particular copy of a work to dispose of that copy.  

'''First sale doctrine''' is a principle under [[copyright law]] that protects the right of an owner of a work (e.g., book, movie or CD) to sell or transfer his copy however he likes.  The common-law roots of the first sale doctrine allowed the owner of a particular copy of a work to dispose of that copy.  

This judicial doctrine was grounded in the common-law principle that restraints on the alienation of tangible property are to be avoided in the absence of clear congressional intent to abrogate this principle.  

This judicial doctrine was grounded in the common-law principle that restraints on the alienation of tangible property are to be avoided in the absence of clear congressional intent to abrogate this principle.