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  • China,  China Patent Office,  CNIPA,  Design,  Inventiveness,  Patent Re-examination and Invalidation Department

    Obviousness: can features from different categories of products be combined to invalidate a design patent?

    September 18, 2025

    Introduction “I have a tank, I have a gun—boom! Tank gun?” Each year the CNIPA releases a list of Top Ten Patent Re-examination and Invalidation Cases. These cases are meant to be guiding cases, showcasing exemplary real-world decisions that clarify certain aspects of the law. Over the next several months we will be highlighting many of these cases. Today’s article relates to design patents and the standard of what is “distinctly different”. Particularly, this case asks whether two prior art design elements can be combined to invalidate the novelty of a design if the two prior art features come from different categories of products. The Chinese patent law states: “A…

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    November 12, 2018
  • agreements,  China,  Design,  Examination Guide,  Patent Law

    FOLLOW UP: Amendments to the China Patent Examination Guidelines in 2022 – Part 1: New rules for designs in view of China signing onto the Hague Agreement

    January 4, 2023

    Since the publication of our earlier article about China signing onto the Hague Agreement, some of our Hong Kong clients have expressed interest in taking advantage of the Hague international design application system, i.e., filing a Hague international design application with the CNIPA (Chinese National Intellectual Property Administration) as a receiving office (RO). Up until this moment, the World Intellectual Property Organization (WIPO) and the CNIPA[1] have been silent on whether a Hong Kong design applicant without a habitual residence or business office in mainland China would be eligible to file a Hague international design application with the CNIPA as a RO. We recently brought this matter forward to the…

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    Amendments to the China Patent Examination Guidelines in 2022 – Part 1: New rules for designs in view of China signing onto the Hague Agreement

    December 2, 2022
  • agreements,  China,  Design,  Examination Guide,  Patent Law

    Amendments to the China Patent Examination Guidelines in 2022 – Part 1: New rules for designs in view of China signing onto the Hague Agreement

    December 2, 2022

    This year, China stepped further onto the international scene by signing on as a member of the Hague Agreement. The Hague Agreement is an international registration system allowing applicants to file a single international design application in a single language to obtain protection in over 100 designated member countries. The US has been a member since May 13, 2015. China joined this year. On 5 February 2022[1], the Government of China deposited its instrument of accession to the 1999 Geneva Act of the Hague Agreement, being the 68th contracting party to the 1999 Act and 77th member of the Hague Union. This harmonizes certain aspects of China’s design patent law…

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    eagleip No Comments

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