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    2020 China Top 10 IP Cases: Winners’ Sun is truly a Winner: A Simple Selfie-Stick Utility Model Patent Crushes Infringers in China

    August 2, 2021

    Each year The Intellectual Property Tribunal of the Supreme People’s Court releases a list of top 10 technical intellectual property rights court case decisions. The 2020 list came out a few months ago, and we have been highlighting some of these cases. Today, we will cover a utility model patent infringement case. As one of the three types of patents one can obtain in China (the other two being invention patents and design patents), utility models are popular due to their reduced costs and relative ease of prosecution (no substantive examination). Some might argue that a utility model patent has limited value, having restricted subject matter eligibility, a shorter term,…

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    November 12, 2018
  • Biotech,  China,  Patent Linkage,  Patent Term Extension,  Pharma,  Supreme People's Court,  Updates and Changes

    How will Civil Cases Work under the Patent Linkage Provision in the New Chinese Patent Law?

    November 20, 2020

    The Supreme People’s Court has just issued draft regulations for comment regarding how new Article 76 will work in conjunction with civil procedure law. The period to submit comments ends December 14, 2020, and the final version will come into force June 1, 2021, together with the new Chinese Patent Law. The Backdrop: New Chinese Patent Law Adds Patent Linkage (Article 76) Linking Drug Approval to a “Clear” Patent Position In October of 2020 China passed the 4th amendment of the patent law which ushered in some sweeping changes in certain areas that are especially exciting for life science companies. One of the most important changes is the introduction of…

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  • Tapentadol.svg
    Biotech,  China,  Court Cases,  Courts,  Pharma,  Supreme People's Court

    Polymorph Patents in China: What is the Standard for Inventiveness for New Crystal Forms?

    July 14, 2020

    This case is focused on polymorphs, namely what are the standards for novelty and inventiveness when it comes to new crystal forms of a known drug? A recent Supreme People’s Court decision in China is illustrative of the way Chinese courts are thinking about polymorph patents in China. Grünenthal is a German pharmaceutical company and inventor of the opioid painkiller Pentadol[1]. Grünenthal has a Chinese patent (ZL 200580021661.1) with claims directed towards a new crystalline form of particular phenol hydrochloride (“tapentastat hydrochloride” and “Form A” in claim 1), processes for preparing tapentastat hydrochloride (claim 3), and processes for preparing Form A (claims 16 and 23). Form A is made by…

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    eagleip 2 Comments

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  • Jun 03, 2025 How to Protect a Crystal Form (Polymorph) Patent in China
  • May 28, 2025 Why Do Examiners Fail to Recognize the Importance of my “Parameter Features”?
  • 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
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  • Jun 17, 2024 A More Detailed Overview of China’s Patent Term Extension (PTE) System
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