Contact Us
Yunhan Sun
Tel: (86 10) 8220 2217
Fax: (852) 2827 1018

Working Team
Patent Team (Electronics, Electricity & Physics)

Patent Attorney (2016)
Attorney-at-Law (2021)

Education and Training
Double Bachelor degrees of Engineering respectively in Mechanical and Electronic Engineering, Tongji University, 2012
Master of Engineering in Electrical and Information Engineering, the Technical University of Munich, Germany, 2015

Work Experience
Served as a patent attorney in CPA since 2015

Service Area
Patent Agency

Technical Background
Manufacturing & Industrials, Automotive, Transportation & Logistics, Optics & Instruments, Clean Energy & Advanced Materials, Consumer Goods & Smart Tech, Computer and Network Technology, Communication, Artificial Intelligence and Big Data, Semiconductors and Microelectronics, Image Processing, Optoelectronic Technology, Electrical Engineering, Electronic Engineering, Chemical Engineering, Automotive, Transportation & Logistics

Practice Area
Patent Application Consultation, Patent Search, 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 Infringement Analysis


Chinese, English, German

China Patent Agent (H.K.) Ltd.


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

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