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一、引言據統計,僅在2014年上半年,通過PCT途徑進入中國國家階段的專利申請就達到3.958萬件,其中發明專利申請3.9118萬件,同比增長7.7%,實用新型專利申請462件,同比增長41.3%。~1上述數據表明我國對PCT申請人而言具有巨大的吸引力。在這些進入我國的PCT申請中,有相當一部分要求優先權。因此,對於優先權的認定就存在着兩個階段,即國際階段的審查和進入我國之後的審查。相對於形式要件而言,實體要件的認定標準在不同階段的差異性更加明顯。在國際階段,涉及到對優先權實體要件進行審查的程序包括國際檢索以及
I. INTRODUCTION According to statistics, only in the first half of 2014, there were 39,580 applications for patents that entered the Chinese national stage through the PCT route, of which 39,118 were for invention patents, an increase of 7.7% over the same period of the previous year and 462 were for utility model patents, Increase by 41.3%. ~ 1 The above data shows that our country is of great appeal to PCT applicants. In these PCT applications entering our country, a considerable part of them claim priority. Therefore, there are two phases for the determination of priority, namely the international phase and the review after entering China. Relative to the formal requirements, the substantive elements of the identification criteria in the different stages of the more obvious differences. At the international stage, the procedures that cover the review of elements of priority entities include international search and