Years with IP Matters

• 2012 until now

Professional Experiences

• Partner, Chang Tsi & Partners
• Senior Associate, Patent Attorney, Lawjay Partners associated with Bird&Bird, Beijing, China （2021-2025）
• Attorney at Law, Patent Attorney, King & Wood Mallesons, Beijing, China （2016-2021）
• Patent examiner, patent licensing manager, CNIPA (2012-2016)

Representative Cases

• Represented a well-known Japanese chemical manufacturer as plaintiff in handling series of patent infringement litigations, patent invalidation proceedings as well as administrative litigations, successfully helped the client to get damages and assisted the client to reach a favorable patent license agreement with the defendant.
• Assisted a Canada chemical company as defendant in its litigation with other international companies with patent infringement involving around 1 hundred million RMB and successfully had all the plaintiff’s 5 patents invalided in the invalidation proceedings.
• Represented a world-famous cartoon character brand publisher as plaintiff in handling patent infringement issue and successfully had the infringer’s patent invalided.
• Represented an international hardware manufacturer as claimer in handling patent administrative adjudication and successfully obtained a favorable ruling and had the infringing products taken down from EC platforms.
• Represented an international hardware manufacturer as plaintiff in handling patent infringement litigation and win the damages for the client.
• Represented a renowned Japanese chemical company as plaintiff in handling series of patent infringement litigations, patent invalidation proceedings and administrative litigations, successfully had the client’s core patent remain valid and forced the defendant to negotiate with the client.
• Represented a major Japanese chemical company as plaintiff in handling patent infringement litigation and helped the client to win a compensation of 5 million RMB by an out-of-court settlement.
• Assisted a Chinese pharmaceutical company as petitioner in handling patent opposition proceedings before EPO and provided assistance of negotiation with the counterpart for the client.
• Represented a word-famous glass manufacturer as petitioner in handling patent administrative litigation and successfully had the plaintiff’s patent invalided.
• Represented several enterprises and universities at home and abroad in IP transactions/licensing projects, provided strategy of negotiation, prepared the agreements involved and provided legal advice on contract issues.

Education

• Master, Material Science and Engineering, Beijing University of Chemical Technology, 2012
• Bachelor, Polymer Material and Engineering, Beijing University of Chemical Technology, 2009

Bar Admission

• China Bar
• China Patent Bar

Language

• Chinese
• English
• Japanese