Contact Us
Butian Ma
Tel: (86 10) 8220 2472
Fax: (852) 2827 1018

Working Team
Patent Team (Electronics, Electricity & Physics), Legal Service Team

Passed the USPTO registration examination (the patent bar) (2015)
Chinese Patent Attorney (2016)
Chinese Attorney-at-Law (2019)

Education and Training
Bachelor of Engineering in Measurement and Control Technology and Instrument, Beijing Jiaotong University, 2011
Master of Engineering in Electronic and Electrical Engineering, University of Sheffield, United Kingdom, 2013
Master of Intellectual Property, School of Law, University of New Hampshire, United States, 2014

Work Experience
Internship at an intellectual property law firm in New York State, USA, in 2015
Joined CPA as a patent attorney in 2015

Service Area
Patent Agency, Legal Services

Technical Background
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 Administrative Litigation, Patent Infringement Litigation, Patent Validity Analysis, Patent Infringement Analysis, Free to Operation Analysis (FTO)

Personal Achievements
2018 AIPPI China Youth IP Seminar, Speech, Topic: “How to impose restriction against patent exhaustion?”
2021 AIPPI China Youth IP Seminar, Speech, Topic: “Impact of AI on the level of the Person Skilled In The Art.”
2023 AIPPI China Youth IP Seminar, Speech, Topic: “Sufficient disclosure of AI Patent.”

Member of All-China Patent Attorneys Association, Member of the Standing Committee on Enforcement of AIPPI


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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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