Patent invalidation

	Final Judgment: Patent Claiming for Damages of 15 Million RMB Fully Invalidated
	2025-01-13
	Recently, our firm won the second instance of an administrative lawsuit on invalidation declaration of a patent for invention, successfully having the patent fully invalidated by the Supreme Peoples Court due to insufficient disclosure of t
	Insufficient Disclosure of Descriptions—-Our Firm Won the First Instance of an Administrative Litigation for Invalidati
	2024-01-26
	Recently, our firm won the first instance of an administrative litigation case for invalidation of an invention patent, in which it is ruled that the invention patent should be completely invalidated due to its insufficient disclosure of th
	Successful Invalidation of Patent for Composition
	2023-05-17
	Introduction In the chemical field, it is difficult to seek invalidation of a patent claiming to have achieved unexpected technical effect. This case provides a strategy for successfully invalidating such kind of patents. Case Summary Upon
	Linda Liu & Partners Invalidated Two Standard Patents
	2021-12-14
	Introduction The two patents involved, namely, Method for Decoding Based on Intra Prediction and Apparatus for Decoding Based on Intra Prediction, are standard patents in the worldly renowned HEVC Advance patent pool in the field of video e
	Success in Invalidating the Patent “Maintenance Free Slide Bearing” for Mingyang Technology
	2021-09-10
	Recently, the CEO of Mingyang Technology (Suzhou) Co., Ltd paid a visit to our Beijing office. He spoke high of our attorneys professional proficiency, profound knowledge of the laws and devotion exhibited in the invalidation procedure and
	Linda Liu & Partners succeeded in maintaining patent rights of “Side Release Buckle” valid
	2021-03-11
	Lead: when a design patent is cited as evidence prejudicing the inventiveness of a patent for creation-invention, the disclosure of the drawings of the design patent should be determined within the scope directly and unambiguously determine
	We successfully maintained the validity of the series of patents ”Network Structure Having Excellent Durability Against
	2020-09-15
	Guide: When the raw materials and/or manufacturing methods are different or similar, the technical features not disclosed in the evidence constitute substantial differences. Case brief: The new generation of cushioning material BREATHAIR pr
	We successfully revoked the decision of invalidation for our client made by the CNIPA regarding the patent “Synchronizi
	2020-09-15
	Guide: For invention patents with complex technical features that simplify the structure of the prior art, when considering the technical effects brought about by multiple distinguishing technical features, we should not only consider each
	We successfully maintained the validity of the invention patent ”Coaxial Connector” for our client
	2020-09-15
	Guide: If a claim is substantially different from the evidence and the technical problems to be solved by the two are not the same, then the claim should be regarded as novel over the evidence. Case brief: The patentee is one of the worlds
	We successfully invalidated the design patent “Shop Front (Milk Tea Shop)” for Shen-Keng Food and Beverage Co., Ltd
	2020-02-03
	Guide : In this case, we filed an invalidation request against the design patent titled Shop Front (Milk Tea Shop) with a prior trademark right as evidence, which was approved by the Reexamination and Invalidation Hearing Department of the

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