Patent

	Design Patent Clarity Requirements in China
	2025-06-09
	Baoyu ZHANG Chinese Patent Attorney Article 27(2) of the Chinese Patent Law provides that the relevant drawings or photographs submitted by the applicant shall clearly indicate the design of the product for which patent protection is sought
	Documents required for filing a design patent application in China
	2025-07-18
	Baoyu ZHANG Chinese Patent Attorney According to Article 27 of the Chinese Patent Law, where a patent application for a design is filed, documents such as a request, drawings, or photographs of the design and a brief description of the desi
	Two Application Routes for Obtaining Design Patents in China and Their Advantages and Disadvantages
	2025-06-09
	Baoyu ZHANG Chinese Patent Attorney The Hague Agreement Concerning the International Registration of Industrial Designs ( Geneva Act , hereinafter referred to as the Hague Agreement) came into force in China on 5 May 2022. This offers a new
	Eligible subject matter and term of protection of the design patent in China
	2025-06-09
	Article II, paragraph 4 of the current 2021 version of the Chinese Patent Law provides that Design means, with respect to an overall or partial product , any new design of the shape, the pattern, or their combination, or the combination of
	Advantageous Effect of “Improved User Experience” in Inventiveness Determination
	2024-12-04
	Wenhui ZHANG Chinese Patent Attorney I. Introduction Article 22.3 of the Chinese Patent Law prescribes that: inventiveness means that, as compared with the prior art, the invention has prominent substantive features and represents a notable
	On Strategy for Overcoming Novelty Rejection according to Principle of Novelty Presumption
	2024-10-31
	Lili SUN Chinese Patent Attorney Regarding the examination on novelty of a product claim including a feature of performance or parameters, the Guidelines for Patent Examination provides the following principle: The examiner shall consider w
	Invalidation Approaches and Specification Crafting Concerning “Parameter Features”
	2024-10-24
	Zhifeng MA Chinese Patent Attorney Linda Liu Partners Yu YAN Attorney-at-law Chinese Patent Attorney Beijing Wei Chixue Law Firm Limitation by parameter features is a love-hate claim drafting approach. Its highly praised by applicant/patent
	On Efficiency of China’s Drug-Related Patent Term Compensation System Based on “Effective protection period”
	2024-06-26
	Yan WANG Chinese Patent Attorney Chinese Attorney at Law Chinas state council issued State Council Degree No. 769 on December 21, 2023, to enact the Implementing Regulations of the Patent Law (Amended in 2023) (hereinafter referred to as th
	Examples of Patents for Computer – Aided Diagnostic Methods
	2024-05-13
	Xianhua SHEN Chinese Patent Attorney Chinese Attorney at Law The latest version of the CNIPAs Guidelines for Patent Examination (hereinafter referred to as the latest Guidelines) came into force as of January 20, 2024. In comparison with th
	Brief Analysis of Comparison Involving Functional Features in Infringement Evaluation
	2024-04-09
	Tao CHEN Wenhui ZHANG Chinese Patent Attorney I. Foreword The scope of protection of a patent is defined by the contents of the claims which recite the technical features of the invention or utility model, including the constituent elements

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