Yingyan LIPresident、Partner

Qualifications:Patent Attorney、Litigation Attorney

Languages:Chinese, Japanese, Korean, English

Areas of Practice:Specialized in patent prosecution, reexamination, invalidation and litigation services in Mechanical and Chemical fields, e.g. Printing Equipment, Household Appliance, Fuel Equipment, Water Treatment Equipment, Automobile, etc

Practice Experience

Ms. Li has started her IP practice experience since 2002, reexamination, invalidation and litigation practice, and domestic-to-foreign patent prosecution. She has many years of practical experience on Patent Prosecution, Reexamination and Invalidation in the major five Patent Offices of China, Japan, Korea, the United States, and Europe.

Ms. Li has revised hundreds of patent prosecution and filed proposed initiative amendments for the family patent prosecutions based on the revised Description for a number of global companies. Ms. Li has been recognized by important clients as a conscientious and responsible person for their major and important patent cases. She provided professional services relating to specification draft and rewriting, application strategy, invalidation and litigation strategy for numerous famous companies, and provided expertise reports about infringement judgment and invalidation for world-renowned companies. She executed patent mining successfully for Chinese legal person and research & development center of world-renowned companies and conducted education and trainings for inventors and intellectual property related personnel thereof.

Ms. Li not only has extensive practical experience, but also does deep comparative research on patent system of major countries, and also conducted deep studies on litigation cases in the United States, Japan and China. Ms. Li has been invited many times by domestic and foreign Patent Offices, well-known intellectual property associations, and well-known global companies to give lectures on topics such as Patent Prosecution Strategy, Specification Rewriting, Invalidation Response Skills, Infringement Litigation, Evidence Use and Strategy in Litigation, and Compensation for Damages. Ms. Li is one of the key translators of the intellectual property masterpiece “Detailed Explanation of Chinese Patent Law” (by Xintian YIN) published in Japan in 2015, and responsible for the translation of the Patent Infringement Litigation section. She, as the only translator, published the Chinese version of “Japanese Invalidation Trial Request Brief Guide” which was incorporated into National 135 Plan Project.

Work Experience

  2002-2008  Lung Tin Intellectual Property Agent Ltd. (Foreign-to-Domestic Patent Prosecution)

  2008-2009  KOTOBUKI Patent Office in Japan (Japan Domestic Application Drafting)

  2009-2013  SHIGA International Patent Office in Japan (Japan-to-Foreign Patent Prosecution)

  2013-2018  Lung Tin Intellectual Property Agent Ltd. (Vice President/Senior Partner)

  2018-Present  Founded Li & N Intellectual Property Agency Ltd. (President/Executive Partner) 

Education

  2002  Obtained Bachelor’s Degree in Chemical Engineering from Beijing University of Chemical Technology

  2007  Obtained Patent Attorney Qualification

  2011  Obtained Master’s Degree in Civil Law from Graduate School of Law at Waseda University, Japan

  2014  Obtained Litigation Patent Attorney Qualification appointed by the Supreme People’s Court

Representative Lectures and Publications

  Lecture on AI Related Patent Invalidation held by JIPA

  Lecture on AI Related Patent held by KINPA

  Lecture on Design User seminar held by USPTO

  Lecture on Patent Prosecution held by JPO

  Lecture on Outgoing Patent Prosecution held by Government of Liaoning and Zhejiang Province

  Lecture on AI Related Patent held by CNIPA

  Lecture on “Patent Litigation and Damages” held by JIPA

  Lecture on CN-JP-KR Invalidation Seminar invited by Japan Patent Office

  Lectures on IP Litigation at Japan Patent Information Annual Meetings

  Lecturer on KINPA based seminars

  Lecture in Japanese-Korean Patent Attorney Association Symposium

  Lecturer at the 248th National Meeting of ACS (American Chemical Society)

  Lecturer of E8 course of JIPA

  Main Translator of Infringement Determination Part of the Japanese version of Published book of “Detailed Explanation of Chinese Patent Law”

Honors

  National Start Class Patent Attorney in 2016

  National Start Class Patent Attorney in 2017

  Litigation Patent Attorney appointed by the Supreme People’s Court

  Case Guiding Base Expert invited by the Supreme People’s Court

  IP Foreign Service Expert invited by Beijing Intellectual Property Bureau and Zhongguancun Intellectual Property Promotion Bureau

Typical Cases of Invalidation and Litigation

•  Patent Invalidation and Administrative cases about magnetic substance, Hitachi Metals, Ltd. 

•  Patent Invalidation and Administrative cases about factor VIII, SK Chemicals, Ltd. 

•  Patent Invalidation case on robot, LG Electronics Co., Ltd.

•  Patent Invalidation case on liquid storage bag, Zhejiang Huyue Packing Materials Ltd.

•  Patent Invalidation case on packing bag, Huizhou Baobo Packing Ltd.

•  A series of Invalidation Requests and Administrative Litigation cases concerning display panels of BOE Technology Group Co., Ltd.

•  A series of Invalidation Requests and Administrative Litigation cases concerning display panels of Samsung Display Co., Ltd.

Providing Customized Comprehensive Intellectual Property Legal Services