Areas of practice

Ms. Tai is a highly experienced patent attorney in the field of chemistry and her practice mainly focuses on pharmaceutical chemistry and polymer chemistry.

Ms. Tai is one of the most influential figures in IP law in the pharmaceutical and healthcare sectors in China. She has been and is being the chief representative for innovative pharmaceutical companies such as Novartis, Roche, AstraZeneca, Bayer and Novo Nordisk in numerous patent prosecution, invalidation and infringement cases and IP strategy consulting in China. She is thoughtful and insightful in dealing complicated frontier issues.

Her work highlights included but not limited to:

1. Represented Pfizer Inc. in the high-profile Viagra case in both invalidation and court proceedings. After nine years of battle, Ms. Tai eventually secured favorable judgements for the client from Beijing No. 1 Intermediate People’s Court and Beijing Higher People's Court, respectively. The case attracted extensive coverage by domestic and overseas media including The Wall Street Journal and was listed as one of the eight "IP Cases of the Year" in 2008.

2. Represented Pfizer Inc. in an appeal over patent invalidation disputes concerning its blockbuster Lipitor following unfavorable decisions from Beijing No. 1 Intermediate People’s Court. Ms. Tai ultimately collaborated with other litigators to secure a critical victory before Beijing Higher People's Court. 

3. Represented F. Hoffmann-La Roche AG in an administrative lawsuit with the Beijing Intellectual Property Court and successfully revoke the defendant's review decision No. 88623.

4. Represented AstraZeneca before Beijing Higher People's Court on the patent invalidation case concerning Ticagrelor. The case was ruled in favor of the client and selected as one of the top 50 IP cases of year 2018 by the supreme people’s court and deals of the year 2019 by Chinese business law. 

5. Represented Solvay S.A. in parameter defined claims Patent Invalidation matter, and successfully maintained the patent. The decision further provided guidance on the support issue in the chemistry and pharmaceutical field on the parameter defined invention.   

6. Represented Novo Nordisk A/S in Victoza preparation process invalidation proceeding and supported by Patent Reexamination Board.   

7. Represented Novartis AG in Glivec second medical use retrial proceeding before the Supreme Court. The case is ongoing and receives much attention for being TOP 10 invalidation case in 2015.

In addition, Ms. Tai is also a highly recognized lecturer and project leader in a number of research projects, including:

1. Ms. Tai has been a highly recognized lecturer for many years for the “Patent Reexamination and Invalidation”, an induction training course offered by the All-China Patent Attorneys Association for new patent agents.

2. Ms. Tai participated in the research of the third amendment to the Patent Law. She co-authored a 50,000-word thesis on the nature of the proceedings for invalidation requests which was included in the Research Report on the Third Amendment to the Patent Law and Implementation Rules published by the China National Intellectual Property Administration (CNIPA).

3. She led a team to undertake the soft research project of the CNIPA entitled “Study on the Costs and Strategies for Chinese Applicants Seeking Patent Protections Overseas”.

4. She led a team to undertake the research project of China Intellectual Property Society entitled “Comparative Study on Accurate Calculation of Damages for Patent Infringement”.

5. She is team leader for the “Report on the comparative study of Patent Linkage worldwide and implementing proposals in China” (2019).

6. She is the team leader for the “Report on the stability of compound patent in China” (2020).

Ms. Tai is recognized in the international intellectual property community as one of the World’s Leading Patent Practitioners and Leading Lawyer by MIP and IAM for many consecutive years. Ms. Tai was named “Eminent Practitioner” in the category of intellectual property non-litigation by Chambers Asia Pacific Guide consecutively from 2016-2020.She was also selected as one of the first National IP Leading Experts and awarded by the CNIPA as one of the “First Leading Patent Attorneys in China”. She is the long-term legal counsel of RDPAC (R&D pharmaceutical association committee).

Work experience

Ms. Tai started her career in 1993. She joined King & Wood Mallesons in 2019. Prior to this, she worked for China Patent Agent (HK) Ltd as deputy general manager, responsible for the firm’s patent team management and handling of important and complicated cases.

Educational background

Mr. Tai graduated from Peking University with a bachelor's degree in applied chemistry and a master's degree in polymer radiation chemistry. In 2003, she obtained L.L.M from the University of London.

Her working languages are Chinese and English.


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