Beijing

Patent

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

Chinese,English

Ms. Wu joined Liu, Shen & Associates in 2013, and now is an experienced patent and attorney at Law.

Ms. Wu mainly specializes in patent prosecution, re-examination, patent invalidation, IP litigation, and client counseling with a focus on electrical engineering, automation, telecommunication, artificial intelligence, Internet of Things as well as image/signal processing.

Ms. Wu handles a number of cases relating to patent examination, reexamination, invalidation, infringement lawsuit and other IP related matters for Samsung Electronics, Google and several domestic companies, including participating in matters including all kinds of analysis including pre-litigation analysis and pre-invalidation analysis; patent invalidation, patent infringement litigation relating to Standard Essential Patents (SEPs) and commercial patents; patent protection studies for specific technical fields such as Artificial Intelligence (AI), Internet of Things and telecommunications, etc.

Ms. Wu had a bachelor's degree in Optical Information Science & Technology from Beijing Institute of Technology in 2010; a master's degree in Electrical Science & Technology from Beijing Institute of Technology in 2013; and a dual bachelor’s degree in Economics from Peking University in 2016.

Representative cases:

-    2020-2023, in several patent licensing negotiations and related disputes between a foreign company and certain big companies respectively, representing the foreign company to process patent analysis and selection, invalidation request drafting and filing, etc.

-    2016-2019, in a series of patent infringement and invalidation cases between Samsung Electronics V. Huawei, representing Samsung Electronics to participate in screening SEP and NSEP patents, patent relevance & stability analysis, patent strength analysis, SEP patent essentiality analysis, SEP patent license fee calculation, etc.

Representative Publications:

-    “A Brief discussion on SEP patent strength analysis”, published by WeChat public account “Zhichanli”, forwarded by Haidian Lawyers Association, December 2023.

-    “Valuation and prosecution of standard-related patents in 5G era”, Managing IP (MIP), May 2021.

-    “Future of IP-China: IoT raises SEP issues”, Managing IP (MIP), January 2020.

-    “Best drafting practices for background section of patent applications,” Intellectual Asset Management (IAM), August 2017.

All-China Patent Agents Association (ACPAA)

All-China Lawyers Association (ACLA)

Beijing

Trademark

Chinese,English

Ms. Chunling XIANG joined Liu, Shen & Associates in March 2016. Before joining Liu, Shen& Associates, Ms. Xiang worked at Baker & Mckenzie(Beijing Office) and SheppardMullin (Bejing office) on trademark work.

Ms. Xiang specializes in trademark prosecution and enforcement, including trademark application, opposition, invalidation, cancellation, and administrative litigation and trademark infringement. She also specializes in copyright, customs and domain name.

Ms. Xiang obtained Master of Law and Bachelor of English.

Ms. Xiang was admitted as Chinese lawyer.

All China Lawyers Association(ACLA)

The International Trademark Association(INTA)

Beijing

Patent

Electrooptical Technology,Mechanical Engineering,Vehicle Engineering,Medical Devices,Precision Instruments

Chinese,English,Japanese

Xie Chen joined Liu Shen & Associates in 2015. He specializes in patent application, patent invalidation, patent administrative litigation, patent infringement litigation, and legal consultation services related to intellectual property rights. His expertise covers technical fields such as mechanical engineering, vehicle engineering, photoelectric technology, precision instruments, power batteries, and construction machinery, etc.

Mr. Xie graduated from Dalian University of Technology with a B.E. Degree in Mechanical Design & Manufacturing and its Automation and became a qualified patent attorney in 2014.

Cases

-     Represented a Japanese agricultural machinery manufacturer in several patent invalidation cases, the client’s patent rights were successfully held valid or partially valid.

-     Represented a Japanese electronics maker in a patent invalidation case, the client’s patent right was successfully held valid.

-     Represented a Japanese financial equipment manufacturer in a patent infringement case，and won this case.

-     Provided patent stability analysis for a chemical manufacturer and submitted public opinions, successfully prevented the relevant patents from being granted.

-     Repeatedly provided invalidation searches and patent stability analysis services for an electronics manufacturer.

-     Drafted a joint patent application contract for an optical equipment manufacturer.

All-China Lawyers Association (ACLA)
All-China Patent Agents Association (ACPAA)

Beijing

Patent

Semiconductor,Polymer

Chinese,English

Mr. Xing graduated from Beijing University of Chemical Technology, and received his Bachelor degree of Polymer Science and Engineering in 2000 as well as his Master degree of Material Science and Engineering in 2003.

Mr. Xing joined Liu, Shen & Associates in 2004 and became a qualified patent attorney in 2007. He currently works in the Chemical Department of the firm.

Mr. Xing is skillful in the field of polymer science and engineering, including plastic, rubber, fiber and coating, etc. In addition, he is also skillful in the fields of semiconductor process (such as chemical mechanical polishing process, wafer rinsing process, etc) and printing technology. He handled a large number of foreign-related patent applications and experienced in preparing responses to office actions in substantive examination proceedings, and handling reexamination cases of the above fields.

Beijing

Patent

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

Chinese,English

Mr. Xu joined Liu, Shen & Associates in 2005 and passed patent attorney qualification examination in 2012.He specializes in patent prosecution, re-examination and client counseling with a focus on electrical engineering, antenna, radar, automatic control, telecommunication, electronics, computer science，digital signal process as well as integration circuit design.

Mr. Xu had studied and researched in BeiHang University and China Aerospace Science And Industry Corporation, and had a master's degree in 1999. Before joining this firm, Mr. Xu worked as an engineer at China Posts and Telecommunications Industry Corporation and as a senior engineer at China Aerospace Science and Industry Corporation. 

Beijing

Patent

Mechanical Engineering,Vehicle Engineering,Material Science

Chinese,English

Ms. Xue obtained a bachelor degree majoring in Mechanical Engineering and Automation from Tsinghua University in 2012, and obtained a master degree majoring in Material Science and Engineering from Tsinghua University in 2014.

Ms. Xue joined Liu, Shen & Associates in 2016 and became a qualified patent attorney in 2016. Ms. Xue obtained the qualification as an attorney at law in 2017.

She specializes in patent application drafting, patent prosecution, re-examination, patent counseling with a focus on mechanical engineering, vehicle engineering, machinery equipment, material engineering etc. 

She also participates in non-litigation services such as legal counseling, Freedom to operate (FTO), and due diligence.

Main Clients Ms. Xue Worked for:

-    Dyson, Schneider, Kone, Siemens, 3M, P&G

Representative cases that Ms. Xue has participated include：

-    Dyson v. Pusonic, series Patent invalidation and administrative litigation case, representing Dyson, all won;

-    Dyson v. Dreame, series Patent invalidation and administrative litigation case, representing Dyson, all won;

-    Dyson v. an individual, Patent invalidation case, representing Dyson, the patent right of Dyson’s patent is maintained to be valid;

-    3M v. Shinva, series Patent infringement litigation, representing 3M, all won;

-    3M v. Sisa, Patent infringement litigation, representing 3M, won;

-    KONE v. TK Elevator, Patent invalidation case, representing KONE, the patent right of KONE’s patent is maintained to be valid;

-    Leili Motor vs. an individual, Patent Invalidation case, the patent right of Leili Motor’s patent is maintained to be valid.

Publications that Ms. Xue has authored include

-     “UPDATES ABOUT UTILITY MODEL PATENTS”, LiuShen Newsletter, September of 2019

-     “Influence of Design Space on Similarity Judgment in Invalidity and Infringement Disputes of Designs”, LiuShen Newsletter, September of 2021

-     “Analysis on a case with high damages awarded in one single engineering project》”, LiuShen Newsletter, May of 2023

All-China Patent Attorneys Association (ACPAA)

Beijing

Patent

Mechanical Engineering

Chinese,English

Ms. Yan joined Liu, Shen & Associates in 2003 and got qualification as a patent attorney in 2010. She specializes in communications with clients, procedure management for application request and examination, verifying the filling documents, monitoring the deadline in the procedure of examination and reexamination, coordinating the matters between procedure person and agent person.

Ms. Yan had a bachelor’s degree of environment engineer from the Capital University of Economics and Business in 2002. 

Ms. Yan assisted Mr. Jay Sha’s group joined in Liu, Shen & Associates with three thousand applications/patents in 2008. She managed procedure matters and monitored the deadline for all the applications/patents of Jay’s group. Also she was in charge of the communications and coordination between this new group and Liu, Shen. In final, Mr. Jay Sha’s group finished the transferring smoothly.

All-China Patent Agents Association (ACPAA)

Chengdu

Patent

Organic Chemistry,Bio & Pharmaceutical,Chemical Engineering

Chinese,English

Mr. Yang joined Liu, Shen in July 2020. He specializes in patent-related intellectual property agency, involving various stages of Patents Entering Chinese and Overseas Patent Applications. His practice areas involve pharmaceutical, biological, chemical and materials industries.

Mr. Yang was admitted as a patent attorney in 2020.

Mr. Yang received his Bachelor’s degree in applied chemistry from Nanjing University of Information Science & Technology (NUIST) in 2017, and Master’s degrees in organic chemistry from Sichuan University in 2020.

All-China Patent Agents Association (ACPAA)

Beijing

Trademark

Chinese,English

Ms. Yang joined Liu, Shen & Associates in 2010 and became a qualified patent attorney in 2015. She specializes in design patent prosecution with a focus on Mechanism, electrical engineering.

Ms. Yang had a bachelor's degree from Tianjin University of Technology and Education in 2009. 

Beijing

Patent

Polymer,Organic Chemistry,Life Science,Chemical Engineering

Chinese,Japanese

Ms. Wei Yang is a patent attorney in China.

Ms.Yang joined the law firm of Liu, Shen & Associates in 2008 and specializes in patent prosecution mainly in fields of Polymer Chemistry and Physics, Organic Chemistry.

Ms.Yang is a member of the Chinese Patent Agents Association. She received a Master’s of science degree in Polymer Chemistry and Physics fromJilinUniversityin 2005 and a Doctor’s of science degree in Biological Sciences fromHokkaidoUniversity(Japan) in 2008. 

Beijing

Patent

Medical Devices,Chemical Engineering

Chinese,English

Ms. Yang joined Liu, Shen & Associates in 2013 and became a qualified patent attorney in 2015. She specializes in patent prosecution with a focus on chemical engineering, polymer chemistry, material science and so on.

Ms. Yang had her master of science degree in chemistry from Peking University. 

Beijing

Patent

Electrical Engineering,Medical Devices

Chinese,English,German

Ms. Yang's practice focuses mainly on patent prosecution. She has successfully handled hundreds of patent filings and prosecuting cases for a plurality of well-known corporations, covering various technical fields, particularly the fields of electrical engineering and automation, power electronics, medical devices.

Ms. Yang had a master's degree from Beijing Jiaotong University in 2006. Before joining this firm, Ms. Yang worked as a patent engineer in an IP law firm in Beijing.