Inventions

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? […]

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 […]

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 […]

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 […]

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 […]

A More Detailed Overview of China’s Patent Term Extension (PTE) System

2024年6月17日
Although PTE has been in the Chinese Patent Law since the 4th Amendment of the law came into effect June 1, 2021, we didn’t really know the exact details of how it operated until the Implementation Regulations and Examination Guidelines (“Implementation Regulations”) were finally released in December 2023. New Rules 77-84 in the Implementation Regulations […]

Everything you need to know about Patent Term Adjustment (PTA) in China

2024年5月7日
We previously discussed patent term compensation for patent office delay (‘Patent Term Adjustment’ or ‘PTA’) when such new system was introduced in the Fourth Amendment of the Chinese Patent Law (2020), as well as in the different versions of the Draft Examination Guidelines released in 2021 and 2022. In this article, we consolidate everything you need to […]

Miss the 12-month Filing Deadline? China Finally Allows Patent Applicants to Restore, Add, or Correct a Priority Claim

2024年4月15日
Three major 'remedial’ systems taken from the PCT Regulations have been introduced in the third revision of the Implementation Regulations of the Chinese Patent Law in 2023 (hereinafter referred to as the "Implementation Regulations"). We previously discussed one of these remedial systems, Incorporation by Reference based on Rule 45 of the Implementation Regulations, which allows […]

Updates on Hong Kong Patents Examination Guidelines in 2024

2024年2月29日
The Intellectual Property Department of the Government of the Hong Kong Special Administrative Region of the People’s Republic of China (HKIPD) has recently made several updates to the Hong Kong Patents Examination Guidelines, effective from 26 January, 2024. These changes mainly clarify and reflect the Registry’s current practices regarding patent examination for Standard Patent (R) […]

IP Strategies for the Newly Released Implementation Regulations of the 4th Amendment of the Chinese Patent Law: Part 2: Grace Period without Loss of Novelty

2024年2月7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 […]
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