On June 10, 2025, the State Intellectual Property Office officially issued the "Invalidation Declaration Request Review Decision" (No. 588201), declaring that the utility model patent right of "vibration motor" with patent number 201720044053.2 is entirely invalid. Behind this decision is the precise control of legal procedures and full defense of clients' rights and interests by the professional team of Zhifan IP Attorneys Ltd. (hereinafter referred to as "Zhifan IP").

This case (case number 5W140335) involves the "vibration motor" utility model patent (patent number 201720044053.2) owned by the well-known enterprise AAC Technologies. After our company filed an invalidation application, the Reexamination and Invalidation Department of the State Intellectual Property Office set up a professional collegial panel to conduct substantive examination in accordance with the provisions of the Patent Law. After strict technical comparison and legal argumentation, the collegial panel determined that the patent has substantial defects and finally made a final ruling of "declaring the entire patent right invalid", once again fully supporting all the demands of our invalidation team.

Patent invalidation declaration is a comprehensive game of technology, law and strategy. Zhifan IP, adhering to the principles of "professionalism, efficiency and responsibility", has successfully represented hundreds of patent invalidation cases, helping enterprises resolve crises and safeguard clients' rights and interests in patent enforcement. The victory of this case once again confirms our strong strength in the field of intellectual property!