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      Haoqun/William graduated from Renmin University of China Law School, and joined NTD in 2016. His practice primarily involves intellectual property dispute resolutions and strategy consulting.

      He has abundant experience in patent search and due diligence investigation, patent administrative and judicial procedures, patent infringement investigation and litigation, patent and trade secret ownership dispute resolution, patent and trade secret protection strategy, and technology transaction, etc.

      He has been providing high-quality legal services to many leading companies in the fields of chemistry, energy, materials, and pharmaceuticals. He is always interested in and closely follows newly emerging legal issues especially in new form of industries and frequently publishes articles.

      He also worked in a world-leading specialty chemicals company as a patent attorney. This tenure has equipped him with a keen understanding of client's needs and a commitment to seeking optimized solutions for disputes from legal and commercial perspectives.

    Education and Training:

      • B.S., Chemistry, Wuhan University

      • B.A., French, Wuhan University

      • J.M., Intellectual Property Law, Renmin University of China

    Practice Areas:

       Intellectual property strategy consultation, patent litigation and drug-related patent special procedure

    Working Language:

      English, Mandarin

    Representative cases:

      • Representative of Unilever, invalidating a P&G’s patent related to scented booster beads;

      • Representative of a pharmaceutical company, invalidating two Sanofi’s patents related to teriflunomide tablets, which has been finally upheld by Beijing IP Court and the Supreme Court.

      • Representative of BASF and partners, defense in a patent infringement case initiated by BenQ, and finally invalidating BenQ’s patent 

    Selected Seminars & Events:

      •  April 21, 2022, “A Review of Patent Prosecution from the Perspective of Patent Infringement” ---  Series Lectures for World Intellectual Property Day by PKU Medical Innovation Center