Patent Law
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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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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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 […]
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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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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) […]
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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
2024年2月28日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 […]
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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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IP Strategies for the Newly Released Implementation Regulations of the 4th Amendment of the Chinese Patent Law: Part 1: Delayed Examination
2024年1月25日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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Twice the Trouble: Unraveling a Single Case of Dual Patent and Trademark Infringement
2024年1月9日Can a rights holder sue the same infringer separately based on one single infringing act that infringes both trademark and patent rights? An interesting case this year from China’s Supreme People’s Court that addresses this specific issue ((2023)最高法知民终235号). Beijing Run De Hong Tu Technology Development Co., Ltd. (“Run De Hong Tu”) sued an individual named […]
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