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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China Hands Down First Batch of Patent Linkage “Paragraph IV” Litigation Results

30 June 2022
China has been implementing a plethora of new laws and measures that are particularly favorable to drug companies, such as patent term extension and patent linkage. Details of the new implementation measures for patent linkage (technically “early dispute resolution mechanisms for drug patents”) came into effect on July 4, 2021. At around the same time, […]

CHINA: How Prohibiting "Illegal" Inventions Runs into Food Safety Law

22 October 2021
Chinese Patent Law has an interesting provision that specifically prohibits patent protection on “illegal” or “immoral” inventions. What does this mean, exactly? According to Article 5.1 of the Chinese Patent Law, “no patent shall be granted for an invention that contravenes any law or social moral or that is detrimental to public interests.” On its […]

Burden Shift: CNIPA Requires Applicant to “Prove” that Post-Filing Data is not Fake Data

1 April 2025
“Good Faith” is a challenging concept that brings with it the nuances of a particular jurisdiction’s ideas about honesty, moral values, and societal expectations. Most patent laws around the world include good faith requirements – especially in matters involving the legal and the medical profession – and China is no exception. So what’s the standard? […]

No % homology? How to craft allowable claim scope around sequences to comply with China’s strict written description requirements

23 November 2018
Since 2010, the Patent Re-examination Board (PRB) has published the top 10 patent invalidation cases of the year in April of each year. The selection criteria are high social concern, significant impact on the related industry, or involve difficult legal issues and important examination criteria. Below is one of the top 10 cases that discusses […]
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