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  • China,  Court Cases,  Invalidation,  Pharma

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

    December 4, 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 discusses post filing data in China patents. This case (Beijing Winsunny Harmony Science & Technology Co., Ltd. v. Daiichi Sankyo Co., Ltd) describes an invalidation request of Daiichi Sankyo’s Chinese invention patent 97126347.7 related to processes of preparing pharmaceutical compositions for treating or preventing hypertension. The patent covered the marketed hypertension drug Olmesartan medoxomil. During…

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Popular Posts

  • First Ever Successful Invalidation Challenge Due to Unauthorized Foreign Filing
  • Introducing the New USPTO Cancer Moonshot Expedited Examination Pilot Program
  • FOLLOW UP: Amendments to the China Patent Examination Guidelines in 2022 – Part 1: New rules for designs in view of China signing onto the Hague Agreement
  • BREAKING NEWS: New Pilot Program for Hong Kong Applicants to get Accelerated Patent Examination in the Chinese Patent Office Starting January 1, 2023
  • Chinese Courts Cares More About Patent Quality Now (A Doctrine of Equivalents Story)

Recent Posts

  • Mar 22, 2023 Foreigners Beware: China Proposes Requiring IP Made Using Exported Chinese Genetic Resources to be Co-Owned by Chinese Collaborators
  • Mar 08, 2023 First Ever Successful Invalidation Challenge Due to Unauthorized Foreign Filing
  • Jan 10, 2023 Introducing the New USPTO Cancer Moonshot Expedited Examination Pilot Program
  • Jan 04, 2023 FOLLOW UP: Amendments to the China Patent Examination Guidelines in 2022 – Part 1: New rules for designs in view of China signing onto the Hague Agreement
  • Jan 04, 2023 BREAKING NEWS: New Pilot Program for Hong Kong Applicants to get Accelerated Patent Examination in the Chinese Patent Office Starting January 1, 2023
  • Dec 13, 2022 Chinese Courts Cares More About Patent Quality Now (A Doctrine of Equivalents Story)
  • Dec 02, 2022 Amendments to the China Patent Examination Guidelines in 2022 – Part 1: New rules for designs in view of China signing onto the Hague Agreement
  • Nov 24, 2022 China Proposes New Examination Guidelines for Utility Models
  • Nov 17, 2022 China Announcing More Proposed Amendments to the Examination Guidelines in 2022
  • Nov 09, 2022 US vs CN: National Security Clearance Requirements
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