China Patent Office

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? […]

RNAi Patent Success in China: Overcoming “Comprising” Claim Challenges

10 March 2025
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 […]

Can I transfer priority rights in China without the consent of other applicants? Insights from the Broad Institute’s CRISPR patent

4 February 2025
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 […]

AI is magical but NOT magic! Be specific in your AI patents!

9 January 2025
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 […]

How a Secondhand Ground Brush Wiped Away a Chinese Patent

4 December 2024
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 […]

Beijing IP Court Reverses CNIPA Decision and Upholds Ozempic® semaglutide patent in China as VALID based on Novo Nordisk’s Post Filing Data

27 June 2024
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 […]

Stay Ahead: Getting a Chinese Patent in Three Months?

23 April 2024
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 […]

New Remedy in China for Fixing "Errors" in a Patent Application: Incorporation by Reference

21 March 2024
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 […]

IP Strategies for the Newly Released Implementation Regulations of the 4th Amendment of the Chinese Patent Law: Part 3: The 15-Day Mailing Period is Mostly Going Away

28 February 2024
A Closer Look at the New Presumed Receipt Date Calculation Background China has finally released the long-awaited Patent Law Implementation Regulations (“Regulations”) and associated "Patent Examination Guidelines" (“Guidelines”, similar to the United States' MPEP) which provide further clarity and details of the new Chinese patent law. Today’s article will focus on changes that impact how […]

IP Strategies for the Newly Released Implementation Regulations of the 4th Amendment of the Chinese Patent Law: Part 1: Delayed Examination

25 January 2024
December 2023 appears to have been an exceptionally busy and fruitful month in the China patent space. Following the State Council’s approval of the long-awaited Patent Law Implementation Regulations (“Regulations”, similar to the CFR in the US) in November, the CNIPA finally made public the full text of the Regulations just before the arrival of […]
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