Abstract:With the deepening of China"s Intellectual Property Strategy Implementation,SChina"sSenterprisesSpatentSownershipSmadeSbreakthroughSprogress,SstartingSintoSaSnewSstageSofSattachingSgreatSimportanceStoStheSqualitySofSpatents,SpatentSqualitySevaluationSofSenterprisesShavingSbecomeSaShotStopic .ThisSpaper,SstartingSfromStheSenterpriseSperformance,SexploresSwhetherSenterpriseSpatentSqualitySindexShasSsignificantSinfluenceSonStheSperformanceSofSenterprises.SOnSthisSbasis,SitSselectsSaSmeasureSofStheSeconomicSvalueSofStheSenterpriseSpatentSevaluation.SStudySresults:StheScompanySpatentsScitationsSforSnearlySthreeSyearsShaveSaSsignificantSroleSinSpromotingSenterpriseSperformance,Showever,StheSmaintenanceSofSlongSserviceSlifeSofSpatentsSinSpromotingStheSroleSofScorporateSperformanceSisSnotSsignificant;SdueStoStheSexistenceSofStheStechnologySspilloverSeffect,StheScompanySpatentsSaverageScitationsSandScorporateSperformanceSnegativelyScorrelated.S