Beijing

Patent

Material Science,Semiconductor,Chemical Engineering

Chinese,English

Ms. Xiao joined Liu, Shen & Associates in 2007 and became a qualified patent attorney in 2009. She specializes in patent prosecution, re-examination, patent invalidation, and client counseling with a focus on printing technology, display technology, semi-conductive material, metal material, polymer material, and chemical engineering.

Ms. Xiao had a master's degree from Tsinghua University in 2004. 

Representative cases that Ms. Xiao has led or participated include

-     Arkema (France) V. Mexichem Amanco (Mexico) (assignor: Ineos), representing Arkema.

Beijing

Patent

Mechanical Engineering,Vehicle Engineering

Chinese,English

1. Mr. Xu obtained a bachelor degree of Mechanical Engineering and Automation from Tsinghua University in 2013; and obtained a master degree of Materials Science and Technology from Tsinghua University in 2016. 

2. Mr. Xu joined Liu, Shen & Associates in 2016; got qualified as a patent attorney in 2016; and got qualified as an attorney at law in 2019.

3. Mr. Xu mainly engages in patent related IP fields, comprising patent application and prosecution, patent invalidation and disputes. 

1.  Mr. Xu has been handling with patent applications affairs for many multinational corporations (GM, TE, and etc.) for more than 3 years;

2.  Mr. Xu drafted many new patent applications for many corporations, including Schneider electrics, Kone elevators, Leili motors, Suez Environnement, and etc.

3.  Typical cases:

- Representing a well-known solar cell company AT to invalidate a patent of a German company;

- Representing a well-known semiconductor company LH to protect its patent in invalidation procedure;

- Representing a well-known cement equipment company SM to sue a company for patent infringement. 

All-China Patent Attorneys Association (ACPAA)

Beijing

Patent

Organic Chemistry,Bio & Pharmaceutical,Chemical Engineering

Chinese,English

EDUCATION

Peking University, Chemical Biology, Master (2006-2008)

Peking University, Pharmacy, Bachelor (2002-2006)

QUALIFICATIONS

Legal Professional Qualification of PRC

Member of the PRC Patent Bar

PROFESSIONAL EXPERIENCE

Ms. Xu has focused her practice on providing whole-process patent portfolio management and patent enforcement.  She has assisted several world-renowned companies in handling patent applications in China, and provided advice to domestic and foreign companies in patent prosecution and patent enforcement. Ms. Xu also is also experienced in patent due diligence, analysis and legal opinions, and patent invalidation proceedings. Recently, she has participated in the legal affairs of intellectual property in investment and financing of small and medium-sized start-up companies, and investment institutions. Ms. Xu's technical fields include pharmacy, biology, agriculture, personal care products and polymer materials.

Dispute resolution

-     Representing a multinational pharmaceutical company, participated in one of its compound patent invalidation proceedings (2020)

-     Representing a multinational pharmaceutical company, participated in one of its crystal patent invalidation proceedings (2020)

-     Participated in a patent invalidation proceedings of a European pharmaceutical company (2021)

Legal consulting

-     Providing patent due diligence service and drafted legal opinions for a financing project of a Shanghai based pharmaceutical company (2020)

-     Providing due diligence service for an investment company to invest in a drug R&D company in Shanghai (2020)

-     Providing patent due diligence service for a Beijing based pharmaceutical company's listing project in Hong Kong (2020)

-     Providing patentability analysis of a formulation patent for a multinational pharmaceutical company (2020)

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)