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…
- China, China Patent Office, CNIPA, Court Cases, Courts, Invalidation, Inventions, Patent Law, Pharma, Top 10 IP Case
- 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
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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2020 China Top 10 IP Cases: Winners’ Sun is truly a Winner: A Simple Selfie-Stick Utility Model Patent Crushes Infringers in China
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,…