第三章
gingcht.    Theselimitationsbaheisofcreatorswiththepublic''''srighttoaccessandusechtedworksforvariouspurposes.    Chtentailslimitationsonpropertyrights,includingbutnotlimitedto:    1.**Duration:**Worksareprotectedforalimitedperiod,afterwhichtheyehepubliain.    2.**FairUse:**Certainuses,suchascriticism,entary,newsrep,teag,andresearch,maybesideredfairuseandnotrequirepermissionfromthechtowner.    3.**Publiain:**Worksthatarenolongerunderchtproteareinthepubliainandbefreelyusedbyanyone.    4.**pulsoryLises:**Insomecases,thewmayrequirechtrantlisesforspecificuses,suchasmusicperformancesorbroadcasts.    5.**FirstSaleDoe:**Onceacopyofaworkiswfullysoldortransferred,thechtowner''''s