LIU SHEN & ASSOCIATES

LI, Qiutong

Patent Attorney | Attorney at Law

TECHNICAL FIELD:

Medical Devices , Material Science , Life Science , Chemical Engineering

TEL: 86-10-6268 1616

FAX: 86-10-6268 1818

EMAIL: mail@liu-shen.com

PERSONAL SUMMARY:

AREAS OF PRACTICE

Ms. Li has been engaged in the field of intellectual property since 2017 and has served as a patent examiner in the chemical field at the Patent Office of the China National Intellectual Property Administration. Ms. Li focuses on providing global patent layout and protection legal services for domestic and foreign innovative entities, and has extensive experience in patent application drafting and layout, patent examination, reexamination and invalidation, patentability analysis, and due diligence etc. Her practice covers more than ten countries and regions, including China, the United States, Europe, Japan, and South Korea, with professional expertise concentrated in pharmaceutical chemistry, chemical materials, and other fields.


Ms. Li obtained the patent agent qualification in 2018, the legal professional qualification in 2019, and the intellectual property specialist (intermediate) in 2020.


EDUCATION:

2010-2014             Sichuan University, Chemistry, Bachelor’s degree

2014-2017             Sichuan University, Polymer Chemistry and Physics, Master’s degree


HIGHLIGHTS:

REPRESENTATIVE CASES:

-      Represented Bausch and Lomb in the invalidation procedure of a series of 5 patents for ophthalmic drugs, involving subject matters such as formulations and uses (2023-2024)

-      Providing a domestic polymer company with a special analysis of the patent layout and infringement risk of a foreign competitor, pointed out potential risks and response strategies, and provided legal opinions (2025)

-      Providing a domestic polymer company with legal opinions on invalidation evaluation for a patent in the polymer field (2025)

-      Providing a multinational food and beverage company with a patentability analysis of a technology-related patent application (2025)

-      Providing freedom to operate legal opinions for a Shenzhen pharmaceutical company on a siRNA drug (2025)

-      Providing freedom to operate opinions for a Beijing pharmaceutical company on a small-molecule drug (2024)

-      Providing freedom to operate opinions for a multinational pharmaceutical company on a small-molecule drug (2024)

-      Providing patent stability analysis for a multinational pharmaceutical company on a patent in the field of pesticides (2024)

-      Providing freedom to operate opinions for a Shanghai pharmaceutical company on a small-molecule drug and an ADC linker (2024)

-      Providing freedom to operate opinions for a Beijing research institute on a polymer preparation process (2024)

-      Providing patentability analysis for a small-molecule drug of a Shanghai pharmaceutical company (2023)

-      Providing freedom to operate opinions for a multinational pharmaceutical company on a small-molecule drug (2023)

WORKING LANGUAGE:

Chinese,English

MEMBERSHIP:

All-China Patent Agents Association (ACPAA)