What is the International Preliminary Report on Patentability (IPRP) and how is it used in national stage examination?
The International Preliminary Report on Patentability (IPRP) is a non-binding opinion on novelty, inventive step, and industrial applicability of an international application. There are two types: Chapter I IPRP: Prepared by the International Searching Authority (ISA) if no demand for international preliminary examination is filed. Chapter II IPRP: Prepared by the International Preliminary Examining Authority…
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