1.Theconceptofcopyrightisgenerallyrecognizedworldwide,thanksinlargeparttointernationalagreementssuchastheBerneConvention.Thisconventionissignedbyamultitudeofcountries,ensuringthatonceaworkiscreated,theauthor'scopyrightisautomaticallyprotectedinallsignatorynations,thusachievingglobalapplicationofcopyright.2.Copyrightcomesintoexistenceautomaticallywithouttheneedforformalregistration.However,Chinahasasystemofcopyrightregistrationinplace.Thissystemisnotaprerequisiteforthecreationofcopyrightbutratheravoluntaryregistrationprocess.Itcanserveasevidenceintheeventofacopyrightdispute,helpingtoestablishthedateofcreationofthework.3.Theexistenceofcopyrightregistrationmakesiteasierforauthorstoprovethattheycreatedaparticularworkbeforeacertaindate,avoidingpotentialdifficultiesduetothelackofevidence.4.Itisimportanttonotethattheessentiallegalprovisionsofcopyrightlawdifferfromthoseoftrademarklaw.Copyrightlawprotectsthecreativeeffortsofauthors,whiletrademarksareusedtodistinguishthesourcesofgoodsorservices.Therearedistinctdifferencesbetweenthetwointermsoflegalframeworksandthecontenttheyprotect.详情