LIU SHEN & ASSOCIATES

Chang,Yuxuan

Patent Attorney | Attorney at Law

技術分野:

Medical Devices , Bio & Pharmaceutical , Life Science , Chemical Engineering

TEL: 86-10-6268 1616

FAX: 86-10-6268 1818

EMAIL: mail@liu-shen.com

履歴:

PROFESSIONAL EXPERIENCE

Mr. Chang has expertise in patent portfolio, patent prosecution, patent invalidation, patent litigation and so on. Mr. Chang mainly focuses on legal service in areas of life science, chemistry, material, chemical engineering, and medical device. Mr. Chang also participates in non-litigation services such as legal counseling and FTO.


EDUCATION

Mr. Chang obtained his Bachelor and Master degrees in pharmaceutical engineering from Tianjin University in 2001-2007.


活動歴:

Representative cases that Mr. Chang has represented or participated include

Patent invalidation and IP litigation

-     Representing H.Lundbeck in defending anti-depression drug patent (compound) (2021-2022);

-     Representing H.Lundbeck in a series of invalidation and infringement litigation cases (4 invalidation cases and 3 infringement cases), the patents involved in the field of compounds, crystals, second use and preparation process. All of four patents involved are successfully maintained (2020-2021);

-     Representing Fujiyakuhin Co., Ltd. in an administrative litigation procedure (2021);

-     Representing Align Technology INC in an administrative litigation procedure (2021);

-     Representing Gambro Hundia AB in the re-examination procedure and administrative litigation procedures of a certain medical device (2018-2021).


Non-litigation services

-     Preforming FTO search and analysis for L'oreal (2018 and 2021);

-     Drafting patent statement in drug bidding for Sanofi (2016-2018).


QUALIFICATIONS

PRC Bar Qualification

Member of the PRC Patent Bar

使用言語:

Chinese,English

所属団体:

All-China Lawyers Association (ACLA)

All-China Patent Agents Association (ACPAA)