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  • China,  China Patent Office,  CNIPA,  Court Cases,  Courts,  Invalidation,  Inventions,  Patent Law,  Pharma,  Top 10 IP Case

    Do Promotional Marketing Materials Constitute an “Offer for Sale” under Chinese Patent Law? Bayer IP GmbH v. Nanjing Hang Seng Pharmaceutical

    December 12, 2023

    Bayer’s blockbuster drug Rivaroxaban has seen its share of patent litigations in China, several of which are big enough to be listed as Top 10 IP cases or 50 Representative IP cases. We summarized an invalidation case back in 2020 where all of Bayer’s claims directed towards the compound were upheld. Recently, another Rivaroxaban case made it onto China’s 50 Representative IP cases in 2022, this time in a final judgement from the Supreme Court of an infringement case against a generic company who was marketing the patented drug before the patent expiration date. At the heart of the case is a dispute over (1) what acts by a generic…

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    New Policies to Promote Importation of Innovative Drugs

    November 8, 2018

    Foreign companies transferring IP out of China: things to know

    October 25, 2018

    Is it Sufficient to Claim an Antibody only by Describing its Antigen?

    November 12, 2018
  • China,  China Patent Office,  Court Cases,  Courts,  Invalidation,  Inventions,  Patent Law,  Top 10 IP Case

    First ever Invalidation decision on an RNAi Invention patent in China

    December 4, 2023

    Decision on Examination of Request for Invalidation (No. 58530) In one of China’s Top 10 Patent Re-examination / Invalidation cases of 2022, an invalidation decision on a patent claiming Hepatitis B Virus (HBV) RNAi compositions (No. 58530) by the Patent Re-examination Board (the “Board”) sheds light on the standard for post filing data for rejections against sufficiency and inventive step, issues often faced in the biopharmaceutical field, particularly with regards to inventions with sequence listings. This case, between Alnylam Pharmaceuticals Inc. (the “Patentee”) and Zhang Yuan (the “Petitioner”), also marks the first-ever invalidation decision in China for a patent related to RNAi. RNAi has been gaining traction in the pharmaceutical…

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    eagleip No Comments

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    New Policies to Promote Importation of Innovative Drugs

    November 8, 2018

    Foreign companies transferring IP out of China: things to know

    October 25, 2018

    Is it Sufficient to Claim an Antibody only by Describing its Antigen?

    November 12, 2018
  • China,  Court Cases,  Courts,  Supreme People's Court,  Top 10 IP Case

    2020 China Top 10 IP Cases: Winners’ Sun is truly a Winner: A Simple Selfie-Stick Utility Model Patent Crushes Infringers in China

    August 2, 2021

    Each year The Intellectual Property Tribunal of the Supreme People’s Court releases a list of top 10 technical intellectual property rights court case decisions. The 2020 list came out a few months ago, and we have been highlighting some of these cases. Today, we will cover a utility model patent infringement case. As one of the three types of patents one can obtain in China (the other two being invention patents and design patents), utility models are popular due to their reduced costs and relative ease of prosecution (no substantive examination). Some might argue that a utility model patent has limited value, having restricted subject matter eligibility, a shorter term,…

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    eagleip 1 Comment

    Related Posts

    New Policies to Promote Importation of Innovative Drugs

    November 8, 2018

    Foreign companies transferring IP out of China: things to know

    October 25, 2018

    Is it Sufficient to Claim an Antibody only by Describing its Antigen?

    November 12, 2018
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Recent Posts

  • May 28, 2025 Why Do Examiners Fail to Recognize the Importance of my “Parameter Features”?
  • Apr 01, 2025 Burden Shift: CNIPA Requires Applicant to “Prove” that Post-Filing Data is not Fake Data
  • Mar 10, 2025 RNAi Patent Success in China: Overcoming “Comprising” Claim Challenges
  • Feb 04, 2025 Can I transfer priority rights in China without the consent of other applicants? Insights from the Broad Institute’s CRISPR patent
  • Jan 09, 2025 AI is magical but NOT magic! Be specific in your AI patents!
  • Dec 04, 2024 How a Secondhand Ground Brush Wiped Away a Chinese Patent
  • Sep 06, 2024 New Fee Standards Released for Chinese Patent Applications
  • Jun 27, 2024 Beijing IP Court Reverses CNIPA Decision and Upholds Ozempic® semaglutide patent in China as VALID based on Novo Nordisk’s Post Filing Data
  • Jun 17, 2024 A More Detailed Overview of China’s Patent Term Extension (PTE) System
  • May 07, 2024 Everything you need to know about Patent Term Adjustment (PTA) in China
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