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  • Biotech,  China,  Court Cases,  Patent Law,  Patent Linkage,  Pharma,  Regulatory

    China Hands Down First Batch of Patent Linkage “Paragraph IV” Litigation Results

    June 30, 2022

    China has been implementing a plethora of new laws and measures that are particularly favorable to drug companies, such as patent term extension and patent linkage. Details of the new implementation measures for patent linkage (technically “early dispute resolution mechanisms for drug patents”) came into effect on July 4, 2021. At around the same time, China’s public registration system for innovator companies to list patent associated with marketed drugs (China’s version of the US FDA’s “Orange Book”) began accepting registrations. It has been close to one year since these mechanisms were put in place. Now, the first legal decisions from these patent challenges are coming out. China’s Patent Linkage System…

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    Is it Sufficient to Claim an Antibody only by Describing its Antigen?

    November 12, 2018

    No % homology? How to craft allowable claim scope around sequences to comply with China’s strict written description requirements

    November 23, 2018

    Diagnostic Claims in China

    January 9, 2020
  • Biotech,  China,  Patent Law,  Patent Linkage,  Pharma,  Proposed Changes,  Regulatory

    China Releases Draft Implementation Guidelines for the Drug Administration Law

    June 2, 2022

    The latest draft implementation guidelines for China’s Drug Administration Law (“Guidelines”) are out and open for comment. Previously, the new implementation measures for early dispute resolution mechanisms for drug patents (“Patent Linkage Measures”) came into effect on July 4, 2021. The Guidelines indicate that the final approval of generic chemical drug applications for marketing approval will be stayed pending Paragraph IV litigation results. Technical review for things like safety and efficacy will proceed regardless. Although previously published Patent Linkage Measures indicate that the maximum stay period is 9 months, these Guidelines only say “a certain period.” The regulatory approval process for generic biologics and traditional Chinese medicines will not be…

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    Is it Sufficient to Claim an Antibody only by Describing its Antigen?

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  • China,  Patent Linkage,  Patent Term Extension,  Updates and Changes

    CHINA: New Patent Examination Guidelines Now Available for Public Comment

    August 4, 2021

    Two months after the new Chinese Patent law came into effect, the CNIPA has released a new set of Patent Examination Guidelines (proposed version) for public comments on Aug 3, 2021. Here are the explanation of the amendments (Chinese only). Here is the full set of proposed amendments (Chinese only). Briefly, the new amendment focuses on the following points: We will study these in detail and will focus more closely on points 1-5 in subsequent articles. Yolanda Wang is a Principal, Chinese Patent Attorney, and Chinese Patent Litigator at Eagle IP, a Boutique Patent Firm with offices in Hong Kong, Shenzhen, and Macau. This article is for general informational purposes…

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    New Policies to Promote Importation of Innovative Drugs

    November 8, 2018

    Foreign companies transferring IP out of China: things to know

    October 25, 2018

    Is it Sufficient to Claim an Antibody only by Describing its Antigen?

    November 12, 2018
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Recent Posts

  • Apr 01, 2025 Burden Shift: CNIPA Requires Applicant to “Prove” that Post-Filing Data is not Fake Data
  • Mar 10, 2025 RNAi Patent Success in China: Overcoming “Comprising” Claim Challenges
  • Feb 04, 2025 Can I transfer priority rights in China without the consent of other applicants? Insights from the Broad Institute’s CRISPR patent
  • Jan 09, 2025 AI is magical but NOT magic! Be specific in your AI patents!
  • Dec 04, 2024 How a Secondhand Ground Brush Wiped Away a Chinese Patent
  • Sep 06, 2024 New Fee Standards Released for Chinese Patent Applications
  • Jun 27, 2024 Beijing IP Court Reverses CNIPA Decision and Upholds Ozempic® semaglutide patent in China as VALID based on Novo Nordisk’s Post Filing Data
  • Jun 17, 2024 A More Detailed Overview of China’s Patent Term Extension (PTE) System
  • May 07, 2024 Everything you need to know about Patent Term Adjustment (PTA) in China
  • Apr 23, 2024 Stay Ahead: Getting a Chinese Patent in Three Months?
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