A Change To Patent Invalidation In China: Part 2

By Junqi Hang (June 15, 2017, 11:36 AM EDT) -- Patent validity challenges may be petitioned in China via a patent invalidity declaration ("PID") proceeding, of which some basic features were addressed in the first part of this article. In view of changes that became effective on April 1, 2017 and instituted by the State Intellectual Property Office,[1] the second half of this article offers a brief overview of how these changes impact the PID proceedings in China and further analyzes how best these changes may be utilized by or against entities with patent portfolios in both countries....

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