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    Overview:

      Jonathan joined NTD in 2003. He worked as a patent attorney for 7 years before engaging in litigation and contentious legal works from 2010. Jonathan has rich experience in patent prosecution, patent invalidation, patent litigation and strategy counseling.

      Jonathan is now leading a team specialized in providing legal services in the fields of chemistry and biotech.  The services provided by this team include patent invalidation, patent search and patent monitoring, FTO search and analysis, patent litigation (including administrative litigation and civil lawsuits), enforcement at trade fairs, conducting infringement investigations and on-spot due diligence check, trade secret investigation and protection, IP strategy consulting etc.


    Education and Training:

      • LLM., Temple University (Beasley) Law School

      • M.S., Physical Chemistry, Peking University

      • B.S., Organic Chemistry, Sichuan University


    Practice Areas:

      Patent strategy consultation, patent invalidation, patent search and patent monitoring, FTO search and analysis, patent litigation (including administrative litigation and civil lawsuits), enforcement at trade fairs, infringement investigations and on-spot due diligence check, trade secret investigation and protection etc.

    Professional Affiliations:

      • Member of All China Patent Agent Association

      • Member of All China Lawyer Association

      • Director of China Intellectual Property Research Association

      • Member of Patent Law Committee of Beijing Lawyers Association



    Working Language:

      English, Mandarin

    Representative cases:

      • Representing Danisco in a patent infringement case against Yueyang Ruikang Biotechnology Co., Ltd. and Yichang HEC Pharmaceutical Co., Ltd. ((2017) Hu 73 Min Chu Zi No. 712), and won the case and a compensation of 11 million yuan in the first instance.

      • Representing BASF won patent infringement lawsuits against 4 Chinese agrochemical manufacturers.

      • Representing Evonik in invalidating an important patent of a chemical company.

      • Representing Tanabe Mitsubishi Pharmaceutical Co., Ltd. in defense against patent invalidation requests and subsequent administrative litigation.

      • Representing DuPont in defense against patent invalidation requests and subsequent administrative litigation.

      • Preparing patent protection strategy in China for a pesticide product of DuPont.

      • Representing Covestro patent infringement lawsuits against 3 domestic hydrophilic curing agent manufacturers.

      • Assisting Bayer in FTO search and analysis on drugs and medical devices to be launched in China.

      • Assisting Henkel in a M&A project and conducting IP due diligence investigation into a company in Zhejiang province.

      • Assisting Evonik in a M&A project and conducting IP due diligence investigation into a company in Hubei province.

      • Representing Chemours in filing patent invalidation requests and defending its own patents in the field of refrigerants and titanium dioxide and participating subsequent administrative litigation.


    Selected Seminars & Events:

      • Civil Enforcement of Patent in China, USPTO China IP Road Show, October 3, 2019

      • “Overview of administrative and judicial patent enforcement”,USPTO China IP Events, December 15, 2020.

      • “Biopharmaceutical patent litigation in China”,USPTO China IP Events, February 24, 2022.


    Selected Publications:

      • Coauthor of "Encyclopedia of Intellectual Property Management Practice", Enterprise Management Press,2011.

      • Zheng Miao, D. S. Xu, J. H. Ouyang, G. L. Guo, X. S. Zhao, Y. Q. Tang, “Electrochemically induced Sol-Gel Preparation of Single-Crystalline TiO2 Nanowires”, Nano Letters, 2002, 2, 717.

      • “Can a patent invalidated by the CNIPA still be used in enforcement actions?”,IPRdaily, 2019

      •  Zheng Miao, Haoqun Wang,“How to treat the "inventory" in damages compensation for IP infringement?”,IPLEAD,2020.

      •  Zheng Miao, Haoqun Wang,“Prospect of China Patent Linkage System (I): from "Phase 1 Economic and Trade Agreement" to "Patent Information Declaration and Registration"”,IPLEAD,2020.

      • “China pharma industry prepares for its own patent linkage system”,Asia IP - Intellectual Property News and Analysis,31 August 2020.