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Daisy Du

Attorney At Law

Phone: +86 10 88369999

Attorney Du Dan is mainly engaged in dispute resolution in the field of intellectual property and anti-unfair competition, and can creatively provide clients with solutions to difficult legal issues, and provide clients with trademark rights, copyrights, domain names, etc. through administrative litigation, civil litigation, etc. Right confirmation and rights protection services.

Practice Areas

Registration and protection of trademarks, copyrights and domain names, management and transfer of intellectual property rights, unfair competition related to intellectual property rights and dispute resolution, etc.

Years with IP Matters

  • 4 years

Professional Experiences

  • Attorney at Law,  Janlea Law Firm, Beijing, China (2018-2020)
  • Attorney at Law, Zhong Lun Law Firm, China (2016-2018)

Representative Cases

  • Providing world leading companies with IP protection strategy, IP transactions, IP due diligence, IP infringement relief (administrative relief, judicial relief) and other legal services.
  • Provide intellectual property rights enforcement services for clients such as Baidu, Budweiser, Unicom, Oppo, Iqiyi, LV, etc., formulate detailed rights protection strategies for clients, and stop infringement through various channels.Develop detailed rights protection strategies for customers and stop infringements through multiple channels.
  • Assisting many clients in resolving disputes over ownership of intellectual property rights through purchase negotiations, trademark/copyright litigation, and domain name arbitration.


  • Master of Laws. Southwest University of Political Science and Law (2016)
  • Bachelor of Laws. Northeast Agricultural University (2013)

Bar Admission

  • China Bar


  • Chinese
  • English

Team Overview

With over 350 legal professionals with a diversified background, Chang Tsi & Partners offers clients deep expertise and professional experience, leading to successful legal solutions. Our attorneys are always praised for their sharp insights into the policy, and their pragmatic commercial awareness. Qualified to practice in other jurisdictions, our attorneys can maximize the profit of clients in different areas.