The following have been appointed by the PCT Contracting States as International Searching Authorities (ISAs): the national Offices of Australia, Austria, Brazil, Canada, China, Chile, Egypt, Finland, India, Israel, Japan, the Philippines, the Republic of Korea, the Russian Federation, Singapore, Spain, Sweden, Turkey, Ukraine and the United States of America, and the following regional Offices, the European Patent Office, the Nordic Patent Institute, and the Visegrad Patent Institute. The availability of a particular ISA to the nationals or residents of a country is determined by the receiving Office where the international application was filed.
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