Dr. Jacqueline Lui, Managing Director of Eagle IP Ltd., gave a talk on 專利保護運用與案例 during the conference at 中國深圳南山數字文化產業基地.
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How to Protect a Crystal Form (Polymorph) Patent in China
4 June 2025Crystalline forms are critical to pharmaceutical patents, offering extended protection for improved stability, bioavailability, or manufacturability. However, securing such patents in China has grown increasingly difficult due to the China National Intellectual Property Administration (CNIPA)’s strict patentability criteria. Unlike the U.S. or Europe, where structural novelty or problem-solving utility may suffice, China demands quantifiable evidence of […]
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China Forges Ahead with Draft Measures for New Patent Linkage System
19 October 2020Update! The finalized Implementation Measures are now out. You can read the details here: Breaking: China Released New Implementation Measures for the New Patent Linkage System Last month September 11, 2020, China’s National Medical Products Administration (NMPA) and the China National Intellectual Property Administration (CNIPA) jointly issued a draft set of measures for public opinion […]
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Obviousness: can features from different categories of products be combined to invalidate a design patent?
18 September 2025Introduction “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 […]
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China Hands Down First Batch of Patent Linkage “Paragraph IV” Litigation Results
30 June 2022China 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, […]
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