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

12 December 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 […]

First ever Invalidation decision on an RNAi Invention patent in China

4 December 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 […]

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

2 August 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 […]

China Top 10 Patent Re-Examination and Invalidation Cases of 2020 CNIPA Upholds Bayer’s Rivaroxaban Patent

9 June 2021
The development of China’s approach to patents, especially those in the pharmaceutical and biotech space, has been fascinating to watch. Those of us who have practiced in the area for a long time have been frustrated by the Chinese patent office’s overly strict rules regarding patentability (e.g., high data support standard and refusal to consider […]

China Top 10 Cases of 2020 – CNIPA Upholds Second Medical Use Patent from University of Bordeaux

24 May 2021
The development of China’s approach to patents, especially those in the pharmaceutical and biotech space, has been fascinating to watch. Those of us who have practiced in the area for a long time have been frustrated by the Chinese patent office’s overly strict rules regarding patentability (e.g., high data support standard and refusal to consider […]
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2019 CHINA TOP 10 IP CASE: VALEO V. LUCAS, FUKE, & CHEN

8 June 2020
Every year in the spring The Supreme People’s Court of PRC announces its “Top 10 Intellectual Property (IP) cases” and “50 typical IP cases in Chinese courts” of the year. Although not having precedential weight, these cases serve as a reference and guide people's courts at all levels regarding their intellectual property trials. It’s always […]
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