Partner | Patent Attorney


Telecommunication , Computer Science , Internet Technology , E-commerce , Artificial Intelligence , Electronics Engineering , Semiconductor

TEL: 86-10-6268 1616

FAX: 86-10-6268 1818



Ms. Yujie Jin joined Liu, Shen & Associates in 2005 and obtained the qualification as a patent attorney in 2006. Ms. Jin's practice mainly focuses on patent prosecution and enforcement, including patent application, patent invalidation and patent litigation in the technical fields of electronic engineering, communication technology, computer science, semiconductor technology, automatic control, image processing, video and audio codec,  Artificial Intelligence, Internet and E-commerce, etc.

Ms. Jin handles a large number of cases related to patent application and examination as well as patent reexamination every year since 2006, and is skilled in dealing with difficult and complex problems in patent prosecution. Ms. Jin also has rich experience in patent relevance and stability evaluation, has engaged in a large number of commercial patent vs. targeted product analyses, communication standard essential patent vs. standards analyses, and stability analyses for both commercial patents and SEPs.

Ms. Jin obtained a master of law degree (LL.M) in IP from the John Marshall Law School, Chicago, Illinois, USA in 2012. Before that, Ms. Jin graduated as a master in Communication and Information System from Tsinghua University in 2005, and received her bachelor's degree from the same university in 2002.


Representative cases:

-      Patent stability and infringement analyses on a series of 3GPP standard essential patents for Samsung; 2016-2017, 2021-2023

-      Huawei v. Samsung, representing Samsung in a series of patent infringement cases and patent invalidation cases; 2016-2019; settled.

-      Apple v. Qualcomm, representing Qualcomm in two patents invalidation cases; 2018-2019; one patent was entirely sustained, and the other one was partially sustained.

-      Benxing v. Samsung, representing Samsung in 4 patent infringements and patent invalidation cases; 2017; the patents of Benxing were invalidated entirely.

-      Samsung v. Netac, representing Samsung in a patent invalidation case; 2017; the patent of Netac was invalidated entirely.

Representative Speech:

-      "Discussion on the Eligibility Issues in Patent Applications in New Industies and New Fields”, 2023 Electrical Field Hot Topics Education Training Course, organized by the China National Patent Agents Association, 2023

-      "Latest Practical Updates Electrical Field related to Modification of the Examination Guidelines", Examination Guidelines Modification and Related Practice Training Course, organized by the China National Patent Agents Association, 2019

-      "Usage of Common Knowledge in Evaluation of Inventiveness", Seminar on Patent Examination in Optoelectronic Technology Field, organized by the China National Patent Agents Association, 2014

Publications that Ms. Jin has authored include:

-      “Anti-Suit Injunction in SEP litigation”, Intellectual Property Frontiers, 2024

-      “Protecting AI-related Innovations in China,” Managing IP, Summer 2020

-      "How to respond to examination opinions involving common knowledge,” Managing IP, Asia-Pacific IP Focus 2014, ISSN 0960-5002

-      "What do I need to Know about Patent Marking?" Co-author, Managing IP, December 2014, ISSN 0960-5002

-      “Brief Introduction to Application of Doctrine of Estoppel in China,” Asia IP, February 2016




All-China Patent Agents Association (ACPAA)