Contact Us
Yongjie Zang
Tel: (86 10) 8220 2230
Fax: (852) 2827 1018

Working Team
Patent Team (Electronics, Electricity & Physics)

Patent Attorney (2007)

Education and Training
Bachelor of Engineering in Industrial Automation, Zhengzhou Textile Institute, 1999
Master of Engineering in Control Theory and Engineering, Tongji University and Technical University of Munich, 2004

Received further training on European patent law and practice at a Germany law firm, 2009

Work Experience
Joined CPA in 2005

Service Area
Patent Agency

Technical Background
Automotive, Transportation & Logistics, Optics & Instruments, Computer and Network Technology, Communication, Artificial Intelligence and Big Data, Semiconductors and Microelectronics, Image Processing, Optoelectronic Technology, Electrical Engineering, Electronic Engineering

Practice Area
Drafting Patent Application Documents, Preparing and Filing Patent Application (Including Domestic Patent Applications, PCT Applications and Foreign Patent Applications), Reporting and Responding to Office Action , Patent Reexamination, Patent Invalidation, Patent Validity Analysis


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China Patent Agent (H.K.) Ltd.


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Tel: (852) 2828 4688
Fax: (852) 2827 1018

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