Contact Us
Ashley J. J. Du
Tel: (86 10) 5203 1226
Fax: (852) 2827 1018

Working Team
Patent Team (Electronics, Electricity & Physics)

Patent Attorney (2008)

Education and Training
Bachelor of Engineering in Electric Technology, Qingdao University, 1999
Master of Engineering in Detection Technology, University of Shanghai for Science and Technology, 2004
Master of Intellectual Property, Queen Mary University of London, 2022

Work Experience
Joined CPA as patent attorney in July 2009, prior to joining CPA in 2009, served as a junior patent counsel at BenQ
Joined a leading electric car manufacture enterprise as lead IP counsel in November 2016
Joined an IP law firm in November 2019
Rejoined CPA in October 2022

Service Area
Patent Agency

Technical Background
Electrical Engineering,Detection and automation equipment

Practice Area
Ms. Du has extensive experience in the drafting, prosecution, reexamination, invalidation, FTO, and other related aspects of patent practice. She excels in advising strategies for developing patent portfolios, spotting potential hazards during the product development process, and making solutions for mitigating such risks.


Chinese, English

China Patent Agent (H.K.) Ltd.


22/F, Great Eagle Centre, 23 Harbour Road, Wanchai, Hong Kong
Tel: (852) 2828 4688
Fax: (852) 2827 1018

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