Chang Tsi & Partners

Chang Tsi & Partners

Partner/Attorney at Law/Patent Attorney

Technical Fields:

Telecommunications Computer Software Machinery

Professional Experience:

Head of Shenzhen Branch / Attorney at Law / Patent Attorney, Chang Tsi Law Firm, Shenzhen, China

Senior Legal Counsel, Walmart (China) Investment Co., Ltd

Attorney at Law / Patent Attorney, King & Wood & Mallesons, Guangzhou, China

Founder, Huiyan Information Technology Co., Ltd, Shenzhen, China

Product Manager, UTStarcom Telecom Co., Ltd, Shenzhen, China

Project Manager, Guangzhou Jinpeng Electronic Information Machine Co., Ltd, Guangzhou, China

Mandarin Chinese/English

Social Appointment:

Career Mentor at Peking University School of International Law（2022.6-2025.6）

Juris Master (Chinese Law) / Juris Doctor (American Law), Peking University (2014)

Bachelor and Master in Material Sciences (1999)

Mr. Michael Wu is the head of Shenzhen Branch, specializing in matters related to patent infringement, copyright infringement, trademark infringement, and unfair competition litigation, enforcement of intellectual property rights through administrative procedures and patent invalidation proceedings. Mr. Wu has earned licenses to practice as an attorney at law and as a patent attorney. Wu has a unique understanding of mobile telecommunications patent litigation, software patent litigation, and copyright litigation related to the internet. Wu obtained his Bachelors and Masters Degrees in Material Science from Wuhan Technology University in 1996 and 1999, respectively. He further pursued a J.M/J.D. degree at Peking University, School of Transnational Law in 2014, where he systematically studied Chinese and American law. Prior to practicing law, Wu spent ten years in the field of mobile telecommunications, and founded a company specializing in mobile telecommunication services.

He has been invited to serve as a member of the China Global Advisory Council (GAC) of INTA for 2022 - 2023. He is also a frequent speaker of IP seminars and client training courses regarding China's IP strategy.

Representative Cases:

Represented Aijia to file a patent invalidation claim regarding infringement litigation against Rowenta Represented Innolux against HKC regarding patent infringement. This case is well-known as the “foremost internet patent case.” Represented a world-leading drones company as plaintiff in a series of patent litigations, successfully helping the client to protect its commercial interests. Represented several Chinese home appliance companies in patent infringement litigation, successfully helping the clients to build their commercial reputation. Represented an injection modulation machine company as Defendant in a patent litigation, successfully built a series of defenses. Provided a comprehensive legal risk evaluation report for a well-known internet company’s mobile products, including mobile gaming platform, mobile reading tools, and browsers. Provided legal services in a standard essential patent ligation for a well-known telecommunication company. Successfully represented a client in a patent litigation case before the Guangdong Higher People’s Court.