Recently, two cases handled by our firm have received significant judicial recognition: Invention Patent Infringement Case Concerning the Clutch Assembly was included in the Judgment Digests of the Intellectual Property Court of the Supreme Peoples Court of China (2025); and the trademark infringement and unfair competition case on 宝树堂 was selected as one of the Top Ten Typical Cases of Judicial Protection of Intellectual Property Rights in Yantai Courts (2025). These honors not only refle...

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Our firm recently secured victory for a client in a patent infringement lawsuit, obtaining a final judgment that the infringers appeal was denied and the first-instance ruling was affirmed. In this complex case involving indirect infringement, both the trial court and appellate court ruled in our favor, holding that the defendants conduct constituted contributory infringement. The patent-in-suit relates to automotive parts assembly consisting of Part A and Part B. Although the defendant manufact...

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In the invalidation procedure, there have always been disputes over whether amendments should be allowed after grant to correct a mistranslation in PCT applications, and whether such mistranslation would cause a patent to be declared invalid as being challenged of go-beyond-scope amendment. It seems inequitable to deny a patent of its technical contribution due to a mistranslation. On the other hand, permitting unconditional corrections after grant undermines the principle of public notice, harm...

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Our firm, in collaboration with Linda Liu Partners, has recently closed a lengthy patent invalidation case. After a seven-year journey through the invalidation declaration procedure before the CNIPA, the first-instance trial at the Beijing Intellectual Property Court, and the second and final instance trial before the Supreme Peoples Court, we successfully secured a final ruling declaring all claims of the subject patent invalid on behalf of our client, the petitioner. One major dispute concerne...

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The partial design regime was introduced for the first time in the fourth amendment to the Chinese Patent Law, which took effect in 2021. However, owing to the absence of corresponding provisions in the Guidelines for Patent Examination, examination of partial design applications did not begin until the first half of 2023. Only after the amended Implementing Regulations of the Chinese Patent Law and Guidelines for Patent Examination came into force in early 2024 can the examination framework for...

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Recently, our firm secured a victory in the second-instance administrative litigation concerning a trademark invalidation request filed by an individual. The second-instance court ruled to revoke the first-instance judgment, revoke the Trademark Inval...

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Case No.: (2023) SPC IP No. 913 (Invention Patent Grant Case concerning Tissue Occlusion Agent) [Judgment Digest] The so-called reference documents introduced in the patent reexamination decision were not used to corroborate the content disclosed in...

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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 the specifi...

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Recently, our firm achieved a significant victory in the second instance of a design patent infringement dispute lawsuit on behalf of an electronic company. The final judgement of the second instance rejected the appeal of the defendant, and upheld t...

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Recently, our firm represented and won an administrative lawsuit for appeal of refusal of trademark application. In this case, the China National Intellectual Property Administration (CNIPA) determined that the applied mark and the cited mark were si...

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