Changzhi JI
Deputy Department Manager
Tel: 010-82202267
Fax: (852) 2827 1018
Email: jchangzhi@cpahkltd.com

Working Team
Patent Team (Mechanics & Designs), Legal Service Team


Qualification
Patent Attorney (2008)


Education and Training
B.S. in Mechanical Engineering and Automation, Tongji University, 2001
M.S. in Machinery Manufacturing and Automation, Tongji University, 2004
LL.M. degree in Civil and Commercial Law, Renmin University of China, 2020



Work Experience
Worked as a patent attorney of China Patent Agent (H.K.) Ltd. from 2004 to 2010
Served as the deputy manager of Mechanical & Design Department of the China Patent Agent (H.K.) Ltd. from 2010 to 2019
Serving as the deputy manager of the legal affairs department of the China Patent Agent (H.K.) Ltd. since 2019



Service Area
Patent Agency, Legal Services


Technical Backgroud
Manufacturing & Industrials, Automotive, Transportation & Logistics, Optics & Instruments, Healthcare Tech, Consumer Goods & Smart Tech, Optoelectronic Technology, Electrical Engineering


Practice Area
Patent Application Consultation, Patent Mining, Patent Application Strategy Formulation, Patent Application Procedure Management, 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 Civil Litigation, Third Party Opinions/Public Opinions, Patent Validity Analysis, Patent Infringement Analysis, Free to Operation Analysis (FTO), Intellectual Property Infringement Risk Assessment, Intellectual Property Infringement Analysis, Intellectual Property Due Diligence


Representative Cases
- Represented a European manufacturing company in multiple series of invalidation cases, assisting the patentee in maintaining the validity of the patent; further resulting in the invalidation decision to be maintained in subsequent administrative lawsuits, and helping the company achieve successful patent enforcement in European countries with the invalidation results obtained in China;
- Represented a European manufacturing company in three separate rounds of invalidation cases for the same patent, each time assisting the patentee in maintaining the validity of the patent, successfully defending the company's rights in China;
- Represented a well-known European medical device company in two invalidation cases, assisting the patentee in maintaining the validity of the patent;
- Represented a famous European automobile company in an administrative litigation case at the patent confirmation stage, successfully leading to the rescission of the sued decision;
- Represented a prominent U.S. medical device company in an administrative litigation case at the patent confirmation stage, successfully leading to the rescission of the sued decision;
- Represented a domestic company in a proactive invalidation case, successfully invalidating the target patent, helping the client save tens of millions of RMB in license fees;
- Represented a European manufacturing company in an administrative litigation retrial involving patent invalidation, successfully leading to Supreme People's Court's rejection of the retrial application;
- Represented a famous U.S. chemical company in an administrative litigation case at the patent confirmation stage, successfully leading to the rescission of the sued decision.



Memberships
Member of the Chinese Group of AIPPI, Member of All-China Patent Attorneys Association


Location
Beijing


Languages
Chinese, English, German


China Patent Agent (H.K.) Ltd.

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Headquarters
22/F, Great Eagle Centre, 23 Harbour Road, Wanchai, Hong Kong
Tel: (852) 2828 4688
Fax: (852) 2827 1018
Email: patent@cpahkltd.com
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