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Report Details Success of Japan’s New Patent Opposition System

Issued: November 30 2017

Japan’s new patent opposition system was introduced in 2015, and runs concurrently with the country’s previously existing patent invalidation system. According to a recently published report, the opposition system has been well received and frequently utilized, and it has resulted in a reduction of invalid and low-quality patents. Shogo Asaji and Shinji Kadomatsu explain.


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