China Patent Office
How to Protect a Crystal Form (Polymorph) Patent in China
2025年6月4日Crystalline 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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Why Do Examiners Fail to Recognize the Importance of my “Parameter Features”?
2025年5月28日The Impact of Parameter Features on Inventiveness ”Parameter features” – numerical or mathematical expressions that define the quantity or physical properties of a subject – frequently appear as technical features within a claim. Often described as numerical ranges or measurements, they frequently play a critical role in addressing technical problems. However, in practice, Examiners and […]
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Burden Shift: CNIPA Requires Applicant to “Prove” that Post-Filing Data is not Fake Data
2025年4月1日“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? […]
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RNAi Patent Success in China: Overcoming “Comprising” Claim Challenges
2025年3月10日An Update on Sufficiency and Inventiveness of RNAi Patents in China RNAi is a fast-developing technology that has gained traction in the pharmaceutical industry as a promising therapeutic agent. It is important to follow closely RNAi patent proceedings to learn how different examination boards and courts understand and handle these new technologies. The first-ever invalidation […]
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Can I transfer priority rights in China without the consent of other applicants? Insights from the Broad Institute’s CRISPR patent
2025年2月4日The high-profile disputes surrounding an important CRISPR patent belonging to The Broad Institute, MIT and Harvard (hereinafter “the proprietors”) has attracted a lot of attention in recent years, particularly regarding the validity of priority rights that were challenged worldwide. In Europe, the patent was famously revoked by the European Patent Office (hereinafter “EPO”) due to […]
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AI is magical but NOT magic! Be specific in your AI patents!
2025年1月9日What is the standard of sufficient disclosure for AI-related patents: A case study in China The rapid growth of AI patent applications present significant challenges to existing patent application and examination practices. One of them is satisfying the requirement for sufficient disclosure. The following case was featured in the 2023 CNIPA Compilation of Key Decisions […]
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How a Secondhand Ground Brush Wiped Away a Chinese Patent
2024年12月4日A Chinese robot vacuum company digs up “hidden evidence” to successfully invalidate a patent owned by its biggest competitor. Highlights Background With the growth of online shopping, it is easier than ever to provide evidence of a sale when the product is still being sold on the market. But what if the product is no […]
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Beijing IP Court Reverses CNIPA Decision and Upholds Ozempic® semaglutide patent in China as VALID based on Novo Nordisk’s Post Filing Data
2024年6月27日Recently, all eyes have been on China as the fundamental patent covering semaglutide, the active ingredient in Ozempic® and Wegovy®, will expire on March 20, 2026. It goes without saying that generics are ramping up bigtime in China (and also around the world), preparing to manufacture and sell this blockbuster drug to one of the […]
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Stay Ahead: Getting a Chinese Patent in Three Months?
2024年4月23日The China National Intellectual Property Administration (CNIPA) has announced a significant development in the realm of patent prosecution: the initiation of the "PPH Improvement Initiative" in collaboration with key patent offices from the United States, Europe, Japan, and South Korea. This initiative aims to elevate the user experience of the Patent Prosecution Highway (PPH) by […]
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New Remedy in China for Fixing "Errors" in a Patent Application: Incorporation by Reference
2024年3月21日Background As mentioned in our earlier article, the Implementation Regulations of the Chinese Patent Law (“Regulations”, similar to the CFR in the US) were approved in November, and the CNIPA finally made public the full text of the Regulations just before the arrival of the New Year. At the same time, the CNIPA also released the new […]
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