Dr. Jacqueline Lui, President of Eagle IP Group, gave a talk titled “Are Patents Enforceable in China?” at The 9th IP Seminar.

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Obviousness: can features from different categories of products be combined to invalidate a design patent?

18 September 2025
Introduction “I have a tank, I have a gun—boom! Tank gun?” Each year the CNIPA releases a list of Top Ten Patent Re-examination and Invalidation Cases. These cases are meant to be guiding cases, showcasing exemplary real-world decisions that clarify certain aspects of the law. Over the next several months we will be highlighting many […]

China Patent Office (CNIPA) Releases More Details About Patent Term Adjustment (PTA) in the Draft Examination Guidelines

19 October 2021
The new 4th Amendment of the Chinese Patent Law came into effect on June 1, 2021. Right before that date, the Chinese Patent Office (“CNIPA”) released some “Interim Measures” to give us a taste of what was to come, though they have yet to released the actual Implementation Rules. Two months later, CNIPA finally released […]
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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 […]

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 […]
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