TY - GEN AU - Cockburn, Iain M., AU - Kortum, Samue. AU - Stern, Scot. ET - 8980. ID - 13399 KW - Patents KW - PATENT EXAMINATION SYSTEM KW - PATENT RIGHTS KW - PATENT SYSTEM : UNITED STATES N1 - No. 8980 ; NBER Working Paper Series ; 2002. T1 - Are all patent examiners equal? The impact of characteristics on patent statistics and litigation outcomes / TI - Are all patent examiners equal? The impact of characteristics on patent statistics and litigation outcomes / VL - No. 8980 ER -