Until now a US filer of a PCT application had the ability to choose from any of a list of seven International Searching Authorities — ISA/US (the USPTO’s contractors), ISA/EP (the European Patent Office), ISA/KR (the Korean patent office), ISA/AU (the Australian patent office), ISA/RU (the Russian patent office), ISA/IL (the Israeli patent office), and ISA/JP (the Japanese Patent Office). Starting a week from now, on April 1, 2016, US filers will be able to choose from a longer list of eight International Searching Authorities.
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