Beijing

Patent

Telecommunication,Computer Science,Internet Technology,E-commerce,Artificial Intelligence,Big Data Processing,Semiconductor

Chinese,English

Mr. DI joined Liu, Shen & Associates in 2001 and became a qualified patent attorney in 2000, and got his qualification as an attorney at law in 2007. Up to now, Mr. DI has handled a great deal of patent filings, prosecutions, reexaminations, patent searches, and some patent invalidations, administrative proceedings, and patent infringement analysis with a focus on mobile communication, semiconductor, electronic technology, computer science, automatic control, Internet and as well as Internet & e-commerce.

Mr. DI has drafted a lot of patent applications for many clients including some world well-known companies, which include patent applications drafted in English for filing in PCT and abroad.

Mr. DI graduated from Beijing Institute of Technology in March of 1994, and got Master Degree. He took part in the Summer Training Program for the U.S. Patent Law at BSKB LLP, in the United States, 2004.

Representative cases that Mr. DI has led or participated include

-     Patent invalidation request, “USB flash drive”, M-system company against Shenzhen Netac Co., acting for the requester;

-     Patent invalidation request, Panasonic Corporation against Guagdong Weiling Motor, acting for the requester;

-     Patent invalidation request, Microsoft (China) Co. against Beijing Zhongyi co., acting for the requester;

-     Patent administrative litigation for invalidation case, Microsoft (China) Co. against Patent Reexamination Board, acting for the plaintiff;

-     Patent administrative litigation appeal, Panasonic Corporation against Guagdong Weiling Motor, acting for the appellant.

Publications that Mr. DI has authored include

-      “analysis of the patentability of information recording medium in China” in the journal of CHINA PATENT AGENCY,

-      “whether or not a claim involving the computer program constitutes a technical solution” in the journal of LexisNexis.

Lectures that Mr. DI has presented include

-     regarding how to draft a high-quality patent application on the China-Europe Patent Forum held in Beijing and Shenzhen, in October, 2009;

-     regarding the patentability and fully disclosure of the patent on the Forum of Patent Protection Declaration in China, held at China Renmin University on July 15, 2015;

-     regarding the patent practices in China during visiting clients.

The Professional Committee on intellectual property litigation of all-China Patent Attorneys Association

Chengdu

Patent

Telecommunication,Computer Science,Internet Technology,E-commerce,Artificial Intelligence,Big Data Processing,Electronics Engineering

Chinese,English

Ms. Dai started practice in intellectual property affairs in Liu, Shen since 2018. Ms. Dai provides intellectual property related services such as patent drafting, patent prosecution and so on for several clients. Ms. Dai is dedicated to providing a wide range of high-quality intellectual property services for clients. Ms. Dai handles intellectual property affairs in the field of Electronics and Communication Engineering, Electromagnetic Field, Antenna Technology, Microwave Technology, Circuit and System, etc.

Ms. Dai passed the Qualification of Patent Attorney Examination in 2018.

Ms. Dai acquired her master's degree from University of Electronic Science and Technology of China (UESTC) with a major on Electronics and Communication Engineering during 2015-2018, and acquired her bachelor's degree from Dalian maritime university with a major on electronic information engineering during 2011-2015.

Chengdu

Patent

Telecommunication,Computer Science,Internet Technology,E-commerce,Artificial Intelligence,Big Data Processing,Electronics Engineering,Image Processing,Semiconductor

Chinese,English

Ms. Deng started practice in intellectual property affairs in Liu, Shen since 2017. Ms. Deng provides intellectual property related services such as patent drafting, patent prosecution, patent analysis, patent search and legal counseling and so on for several clients. Ms. Deng handles intellectual property affairs in the field of Electronics & Computer Science, Internet Technology, Signal and Information processing, and Telecommunication etc..

Ms. Deng was admitted as a patent attorney in 2017.

Ms. Deng received her Master and bachelor's degrees both from University of Electronic Science and Technology of China with a major on Signal and Information Processing during 2009-2016.  

Patent Analysis consultation

-     A series of SEP infringement analysis in telecommunication area, for a Japanese electrical appliance manufacturer. 

-     A series of SEP infringement analysis in telecommunication area, for an American electrical appliance manufacturer. 

II. Free-to-Operate (FTO) consultation

-     Bioniwings (Beijing) Technology Co. Ltd FTO consultation (2019).

Beijing

Patent

Bio & Pharmaceutical,Chemical Engineering

Chinese,English

Ms. Deng joined Liu, Shen & Associates in 2002 and became a qualified patent attorney in 2007. She specializes in patent prosecution, with a focus on Pharmacy, Medical Science, and Chemistry. Ms. Deng got her qualification as an attorney at law in 2010.

Ms. Deng had a bachelor's degree from Beijing Medical University in 1999. From 2008-2010, she took economic law courses in Academy of International Law of China University of Political Science and Law.

Beijing

Patent

Telecommunication,Computer Science,Internet Technology,E-commerce,Artificial Intelligence,Big Data Processing,Electronics Engineering

Chinese,English

Ms. Deng joined Liu, Shen& Associates in 2013 and became a qualified patent attorney in 2013. She specializes in patent prosecution, re-examination, patent analysis, patent search and drafting with a focus on image processing technology,wireless communication,computer science and electronics and circuits.

Ms. Deng got a master's degree from Xi’anJiaotong University in 2008. Before joining this firm, Ms. Deng worked as an IT consultant at Beijing Branch of GuangDong Planning and Designing Institute of Telecommunications for five years. 

Representative cases that Ms. Deng has participated include

1.  Making patent analysis about relevance and validity

2.  Patent analyzing in a technical field of Intelligence control

- Investigating typical technology of a specific Intelligence control field, providing technical information for search patent documents of the specific Intelligence control field, checking whether the search result is accurate, whether the search result covers all related patent documents, modulating the search strategy, and obtaining some statistical data based on the search result. 

All-China Patent Agents Association (ACPAA)

Beijing

Patent

Mechanical Engineering

Chinese,Japanese

Mrs. Ding, joined Liu, Shen & Associates in year 2008, was mainly responsible for processing intermediate documents of patent applications. In year 2016 she obtained certificate of legal professional qualification and then participated in intellectual property-related business as being an apprentice lawyer, involving patent invalidation, litigation, trademark litigation and legal consulting services. In year 2018 she obtained a lawyer's qualification.

Mrs. Ding graduated from Dalian Foreign Language College with a bachelor’s degree in Japanese in June 2005, and obtained a master’s degree in Japanese language and literature in June 2008.

All-China Lawyers Association (ACLA)

Chengdu

Patent

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

Chinese,English

AREAS OF PRACTICE：

Ms. Qiling DONG joined Liu, Shen & Associates in 2017 and is a senior patent attorney with years of experiences. She mainly specializes in patent prosecution, patent writing, re-examination, patent invalidation, IP litigation, patent evaluation, and client counseling with a focus on non-standard essential patent (NSEP) and standard essential patent (SEP). Areas of technical proficiency: Communications, signal & information processing, image processing, computer science, memory systems, internet, semiconductors, artificial intelligence, etc.

Ms. Qiling DONG obtained the qualification as a patent attorney in 2019.

EDUCATION & TRAINING:

2009-2013            Bachelor’s degree in Communication Engineering, Yingcai Honors College of University of Electronic Science and Technology of China

2013-2016            Master’s degree in Communication & Information System, National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China (UESTC)

RERESENTATIVE CASES:

-     a South Korean telecom company v. a Chinese automotive company, provided analytical opinions and response strategies for the invalidation request and supplementary submission, 2025

-     a multinational chip company v. a leading Chinese telecom company, represented the multinational chip company in handling a patent invalidation case, attending oral hearing, and provided patent infringement analysis, 2024–2025

-     a major multinational corporation v. a leading Chinese telecom company, represented the major multinational corporation in handling 2 patent invalidation cases and attending oral hearings, 2023–2024

-     a major multinational corporation v. a leading Chinese telecom company, provided analytical opinions on standard relevance and patent stability for multiple patents of the opposing leading Chinese telecom company, 2023

-     Provided patent stability analytical opinions for a Chinese semiconductor company, 2023

-     a major multinational corporation v. a foreign telecom company, provided patent stability analytical opinions for the major multinational corporation on the opposing foreign telecom company’s patents, 2022

-     a major multinational corporation v. a foreign telecom company, represented the major multinational corporation in filing patent invalidation requests against the opposing foreign telecom company’s patents, 2020–2021

-     a leading US company v. a leading Chinese telecom company, represented the leading US company in filing patent invalidation requests against 2 patents of the opposing Chinese telecom company, 2020

-     Provided analytical opinions on patent infringement and stability for multiple patents for a leading US company, 2019–2020

-     Samsung Electronics v. Huawei, participated in standard essential patent (SEP) strength analysis, 2018–2019

-     Participated in providing freedom to operate (FTO) analytical opinions for an aircraft company, 2019

-     Represented a German client in submitting anonymous public comments on a patent held by a software company, 2019

-     Participated in providing analytical opinions on patent and standard relevance for a Japanese company, 2018

PUBLICATIONS & SPEECHES：

-     "Unified Protection System of European Intellectual Property Rights", on 2025 thematic Event of Intellectual Property Sharing；

-     “Enterprise High-Value Patent Cultivation” on 2025 Intellectual Property Empowerment

-     On Non-Inventive Issues of Standard-Essential Patents in Invalidation Procedure, IPLEAD, Nov.2024;

-     Introduction of SEP related standardization organization, LIU, SHEN & ASSOCIATES, Dec.2023; IP Fore Front, Feb.2024.

AWARDS：

-     “A1” class Patent Attorney Awards, awarded by Samsung

-     Awards such as National Scholarship, People’s Scholarship

Overseas Exchange & Study Experience

-     Exchange and study at BOEHMERT&BOEHMERT, a leading European multinational intellectual property legal service firm, 2025

All-China Patent Agents Association (ACPAA)