Dr. Jacqueline Lui, President of Eagle IP Limited, gave a talk titled “Valuation of Patents, Common Issues and Risk Factors to be Assessed” for the Society of Chinese Accountants and Auditors.
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From Faces to Football Fields: How Applying AI Models to Different Application Fields Can Prove Inventive in China
21 October 2025As AI models become versatile and adaptable across multiple contexts and industries, questions about inventive step sit at the heart of patent examination in China. The 2023 Patent Examination Guidelines (hereinafter referred to as 'the Guidelines') included several sessions dedicated to explaining how inventive step should be examined for AI-related inventions, featuring examples related to […]
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CNIPA further clarifies how it counts “delays” when calculating Patent Term Adjustment (PTA) in the new Draft Examination Guidelines and how it affects international applicants
12 April 2023At the end of October 2022, the China National Intellectual Property Administration (CNIPA) released a new draft amendment of the Patent Examination Guidelines1 (hereinafter referred to as the “New Draft”) to the new Chinese Patent Law that came into effect in 2021. We highlight two key amendments below. 1. The starting date for calculating PTA […]
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China Top 10 Cases of 2020 – CNIPA Upholds Second Medical Use Patent from University of Bordeaux
24 May 2021The 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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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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