The Revocation Case of Integrated Circuit Layout Represented by Unitalen Was Selected As One of 2024 Top Ten Cases of Patent Invalidation Upon Reexamination by the CNIPA
May 23, 2025Beijing Unitalen Law Firm represented HUATECH SEMICONDUCTOR, INC in filing a revocation request with the CNIPA regarding the layout design with registration number BS.185008003. Upon receiving the revocation request, the CNIPA decided to initiate the revocation procedure. A collegiate panel composed of five senior experts was set up to conduct a thorough review of the case. Based thereon, the collegiate panel determined to revoke 13 out of the 14 points of originality claimed by the exclusive right holder. Due to its complexity and typicality, this case was selected as one of 2024 top ten cases of patent invalidation upon reexamination by the CNIPA.
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