Invalidation

Markush claims in China - what can be arbitrarily deleted during invalidation?

4 December 2018

Since 2010, the China Patent Re-examination Board (PRB) has published the top 10 patent invalidation cases of the year in April of each year. The selection criteria are high social concern, significant impact on the related industry, or involve difficult legal issues and important examination criteria. Below is one of the top 10 cases that […]