Yu Li

Mr. Li specializes in patent invalidation request, administrative litigation, public opinion, and reexamination. She has a strong ability in document search and collection for invalidation and public opinion, drafting for petition and pleadings, statement of opinion during invalidation, and participated invalidation oral hearing.
She successfully represented the petitioner in the invalidation and administrative litigation against Nippon Steel & Sumitomo Metal; represented the petitioner in the invalidation against the patentee Haldor Topsoe; represented the patentee Catalytic Distillation Technologies in the invalidation litigation.


  • M.S. in Materials Processing Engineering at Beijing University of Chemical Technology
  • B.S. in Fine Chemical Engineering at Beijing Insititute of Clothing Technology

Practice Area

Chemical Engineering, Chemistry,  and Mechanics

        Sunshine Intellectual Property Group

  • Tel: +86-10-82870718 / +86-10-84065599 


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    Address:5F,Tower A, Zhongguancun Intellectual Property Building, No.21, A, Haidian South Road, Haidian District, Beijing, P.R.China, 10080

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