What to Expect in your International Search Report and Written Opinion

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The International Search Report and Written Opinion of the International Searching Authority (ISR) is a document provided by the International Searching Authority (ISA) in connection with a PCT patent application. Typically, the ISR is issued a few months after the International Filing Date, but there can be quite a significant difference depending on what ISA you select. The ISR gives applicants an idea of what prior art is out there and what issues and rejections may arise once the application has entered the national/regional stage. Applicants can then formulate their foreign filing strategies accordingly and place the application in the condition for allowance.

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