Ada Sun
Counsel Trademark Agent

Ms. Ada Sun is the Head of China Trademark Department at Chang Tsi & Partners, engaged in IP matters.

Ms. Sun focuses on all aspects of intellectual property rights, including applications and protection of trademarks, copyrights, and domain names. Ms. Sun has served many famous companies in the Top 500 Companies in the World, developing and implementing the strategies and programs to protect their IP rights, providing comprehensive legal service in respect of IP rights.

Ms. Sun is very diligent, and has been active for years to assist many clients on their IP matters. Ms. Sun has the sensitivity to find the needs of the clients and could help the client to solve the problems with the best methods.

+86 10 88369999
Trademark Prosecution / Copyright & Domain Name
Beijing

Professional Experience

Chang Tsi & Partners Head of China Trademark Department (since 2011 to the present)

Representative Cases

  • Provide specific and effective solutions and comprehensive advice for may Top 500 Companies in the World
  • Assist Johnson & Johnson to recognize its wellknown trademark in trademark administrative case
  • Global Protection of Trademark and Copyright for Mobike
  • Global Trademark Research for HANERGY HOLDING GROUP
  • Act on behalf of Apple Inc. in several conflict cases and obtain favorable results
  • Design programme of IP protection for the famous US ice cream brand Dairy Queen
  • Design programme of IP protection for Campbell Soup Company
  • Design programme of IP protection for the famous UK Journal NATURE
  • Act on behalf of the UK football team Tottenham Hotspur with trdemark prosecution
  • Act on behalf of Kohler Co. with trdemark prosecution and enforcement
  • Act on behalf of Tencent with trdemark prosecution and enforcement
  • Designated trademark agent of Huawei Technologies Co.,Ltd.
  • Designated trademark Consultant of Pepsi in China

Education

Minzu University of China, Law and English Double Degree (2007)

Selected Awards

First-Class Trademark Specialist in 2023 Trademark Talent Pool of China Trademark Association