Dr. Jacqueline Lui, President of Eagle IP Group, gave a talk titled “Patent War : A Case Study on the Viagra China Patent” at the HKBMIA Happy Hour event.

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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 […]

When Standards Evolve: How China Judges Inventiveness in Next-Gen Tech Patents

30 September 2025
Starting in 2023, Datang Mobile, one of the key players in China’s telecom standardization efforts, initiated infringement proceedings against Samsung in China, Germany, and the US. Samsung responded by filing multiple invalidation petitions in several jurisdictions, including China, the United States, and Europe. The case discussed below is one of above-mentioned invalidation cases in China, […]

How Far Can an Employer Reach to Own Employee-made “Service Inventions”?

30 July 2020
2019 China’s Top 50 Representative IP Cases Shenzhen Weibang Technology Co. Ltd v. Li Jianyi & Shenzhen Yuancheng Intelligence Equipment Co. Ltd (2019最高法民申6342号) Each year in China there are hundreds of disputes over patent ownership.  A significant part of them are related to “Service Inventions”, which are defined in Article 6 of the Chinese Patent […]

Everything you need to know about Patent Term Adjustment (PTA) in China

7 May 2024
We previously discussed patent term compensation for patent office delay (‘Patent Term Adjustment’ or ‘PTA’) when such new system was introduced in the Fourth Amendment of the Chinese Patent Law (2020), as well as in the different versions of the Draft Examination Guidelines released in 2021 and 2022. In this article, we consolidate everything you need to […]
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