Dr. Jacqueline Lui, President of Eagle IP Limited, gave a lecture to the students of the LLM course at the City University of Hong Kong.
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China Top 10 Patent Re-Examination and Invalidation Cases of 2020 CNIPA Upholds Bayer’s Rivaroxaban Patent
9 June 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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CHINA DIVISIONAL PATENT STRATEGY: Recent Judgment Narrows What Constitutes “Different Inventions” for Divisionals
6 December 2021In China, patents applicants take advantage of a commonly-used divisional filing strategy to achieve a fine-tuned balance between protection scope and protection period (if used properly). Patent applicants (especially foreign applicants) widely welcome this well-established strategy, and up until now, have used it with much success. In fact, we recommend this strategy and have even […]
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China Joins Two WIPO Treaties, the Hague System and the Marrakesh Treaty
11 February 2022It has been two challenging years, yet there are many reasons to still have hope. We wish you a blessed Lunar New Year as we welcome the year of the Tiger. We wanted to highlight a few new developments in China. China has joined the Hague System for the International Registration of Industrial Designs, submitting […]
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