YANG, Qian

Partner | Patent Attorney | Attorney at Law


Telecommunication , Computer Science , Electrooptical Technology , Medical Devices , Material Science , Semiconductor

TEL: 86-10-6268 1616

FAX: 86-10-6268 1818





Ms. Qian Yang specializes in intellectual property dispute resolution, especially large-scale disputes involving complex technical issues.  Ms. Yang is experienced in coordinating patent invalidation proceedings, patent infringement actions with patent licensing litigations and negotiations, to achieve clients’ legal and business demands.  

Leveraging her composite technical background in both electricity and chemistry, she has served for clients in various fields including new energy, SEP, semiconductor, photoelectricity, computer, chemistry, medical apparatus, etc.  Ms. Yang has provided high-value professional legal services to many clients from start-ups to well-know multinational corporations, and is widely recognized and trusted.  Prior to joining Liu, Shen & Associates, Ms. Yang worked at another leading law firm for nearly 4 years.

Ms. Yang had also worked in the Patent Office and Patent Reexamination Board (PRB) of National Intellectual Property Administration (CNIPA) for more than 13 years.  She had examined hundreds of patent applications and heard nearly 600 patent reexamination and invalidation cases, some of which were rated as “Excellent Decisions”, “PRB Cases of the Year” etc.  She also participated in dozens of administrative litigations as an attorney of PRB.  Notably, none of the cases Ms. Yang heard as examiner subsequently lost in administrative litigation.  Given her experiences in both Appeal Division and Examination Coordination Division in PRB, she is not only familiar with the examination practice but also the formulation of policies and regulations and the daily examination management of PRB.  

As a main author, Ms. Yang had participated several research projects of the CNIPA, some of which were rated as Excellent Project. etc.  She previously mentored the new examiners in CNIPA, PRB and IP Department of HongKong.  She taught new examiners and patent attorneys for more than 100 academic hours and had been recognized several times as “Outstanding Teacher of the Year” in PRB.  Now she is a member of the expert database of the Capital Intellectual Property Services Association.


Representative cases

-     Representing a world-leading phone manufacturer in several SEP and non-SEP patent invalidation, infringement, administrative litigation cases and SEP licensing negotiation.

-     Representing Samsung in SEP invalidation and administrative cases.

-     Representing Amazon in SEP infringement actions and licensing negotiations against Huawei.

-     Representing OPPO in a series of SEP invalidation, infringement litigation and administrative litigation cases.

-     Representing Tinno in SEP royalty setting dispute and negotiation against ZTE.

-     Representing an domestic enterprise in SEP licensing negotiation.

-     Representing Bytedance in several patents licensing negotiation.

-     Representing Baidu in a series of patent infringement litigations.

-     Representing Umicore in a series of patent invalidation and litigation cases.

-     Representing CATL in patent invalidation cases before CNIPA.

-     Representing Varta in patent invalidation case before CNIPA.

-     Representing Sanan in a series of non-SEP patent invalidation, infringement, and administrative litigation cases.

-     Representing a medical apparatus company in several patent invalidation and administrative litigation cases.

-     Representing Kuaishou in patent invalidation and administrative litigation cases.

-     Representing Hanwang Tech. in patent invalidation cases before CNIPA.

-     Representing Xishan Science&technology in the retrial proceeding of administrative litigation.

Professional Qualifications

PRC Bar Qualification.

PRC Patent Bar Qualification


Beijing Institute of Technology, B.E. (2003)

Beijing Institute of Technology, M.E. (2006)