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Timestamp: 2019-04-26 09:31:57+00:00

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Ms. Yue has been working as an examiner for the Patent Examination Beijing Center of SIPO for 10 years. Mr. Yue has handled over 1,000 patent application cases. Ms. Yue has 10 years of working experience in substantive patent examination, 8 years in patent reexamination, serving as a chairman of the panel for 6 years, and participated in a number of internal programs in the Patent Office.
Ms. Yue was an associate research fellow at the SIPO, and was elected as a backbone talent of SIPO in 2014. In addition, she was chosen as Excellent Employee in 2008, 2010, 2013 and 2014, Outstanding Chairman in 2014, and Excellent tutor in 2010. She passed Advanced Search Level Test of SIPO in 2015.
Ms. Yue joined Liu, Shen & Associates in 2016 with a focus on image processing, video analysis, TV technology as well as Internet & e-commerce.
- Graduated from Institute of Automation of Chinese Academy of Sciences with Doctor degree of Pattern Recognition and Intelligent System (July 2006).
- “Intellectual Property Protection of Digital TV Technology”, Video Engineering, No.S2,2013.
Ms. Zhai obtained her master degree in Materials Physics and Chemistry from Beijing University of Technology on 2007.
Ms. Zhai joined Liu, Shen & Associates in 2007 and became a qualified patent attorney in 2009. She specializes in patent prosecution and re-examination with a focus on semiconductor device, material science and process, storage, display device, electronic device, photoelectric device, and participated in litigation cases such as Patent invalidation, Patent validity analysis, etc. Through years of patent practice, she has gained good reputation from clients.
Ms. Zhai received training from Centre for International Intellectual Property Studles (CEIPI) at the University of Strasbourg, in 2014.
Ms. Zhai's work has been well recognized by customers and won the prize of “Best Patent Attorney” awarded by Samsung Company in 2015.
- “Influence of Amendments Under Article 33 for Stability of Patent Rights”, Asia IP, 2016.
Mr. Zhan joined Liu, Shen & Associates in 2011. He specializes in patent prosecution, re-examination, patent invalidation, IP litigation, and client counseling with a focus on Petrochemical Engineering, Material Science, Polymer Chemistry and Chemical Engineering. Before joining Liu, Shen & Associates, he worded as a patent examiner of SIPO for more than four years and examined more than 500 patents. He also was a teacher of the new examiner and a quality inspector in his department when working in SIPO.
Mr. Zhan got his qualification as a patent attorney in 2010. He has participated in several patent lawsuits including patent infringement and patent invalidation. He has been leading patent licensing counseling, patent invalidation and pre-litigation analysis in the firm.
Mr. Zhan studied in Tsinghua university and majored in Marterial Science and Engineering. He got his Bachelor degree in Tsinghua university on July, 2005 and his Master degree on July, 2007.
Arkema (France) V. Mexichem Amanco (Mexico), in the patent invalidation case of Arkema (France) V. Mexichem Amanco (Mexico), Mr. Zhan and his colleagues represented Arkema and finally invalidated the patent right of Mexichem Amanco and won the case in the first instance at Beijing No.1 Intermediate Court.
Mr. ZHANG joined Liu, Shen & Associates in 2007 and became a qualified patent attorney in 2007. He specialises in patent invalidation, litigation and dispute resolution before administrative agencies and the courts, as well as counselling on IP strategies and patent clearance searches. He also specialises in patent prosecution work on communication, semiconductor, printer, facsimile machine, camera, elevator, display, and mechanical manufacture and automation.
Mr. ZHANG got his qualification as an attorney at law in 2008. He has represented a number of multinational corporations in litigation cases to defend and enforce their IP rights in China. He is also experienced in FTO analysis, patent stability analysis, patent search, legal opinion, attorney letter etc.
Mr. ZHANG received his bachelor degree and master degree in Mechanical Engineering from Tianjin University in 2002 and 2005 respectively, and a secondary bachelor degree in Economics from Tianjin University in 2002. Mr. ZHANG completed his master program of civil and commercial law in China University of Political Science and Law in 2013-2015 and also obtained LL.M. degree on IP laws in the John Marshall Law School of US. Before joining Liu, Shen & Associates, Mr. ZHANG ever worked in an American company of P&G for about 2.5 years as a project manager.
- Yen Sun Tech. Company v. Delta Company, patent invalidation, representing Delta, win.
- Huawei v. Samsung cases, patent infringement and patent invalidation, representing Samsung, in process.
- “Case study on Amendment Issue of A33 of Chinese Patent Law”, China IP Summit Forum 2010.
- “Study on Supporting Issue under Patent Law”, China IP Summit Forum, 2012.
- “Reform of Official Patent Fees”, a project lead by State Intellectual Property Office, 2015.
Ms. Zhang joined Liu, Shen & Associates in 2012. She specializes in patent prosecution with a focus on Chemistry & Biochemistry; Bio-pharmaceutical.
Ms. Zhang got her qualification as a patent attorney in 2015. She has participated in many cases related to patent prosecution.
Ms. Zhang had a master's degree from Capital Normal University in 2009. Before joining this firm, Ms. Zhang worked as a technical professional at Academy of military medical sciences/Beijing Proteome Research Center for researching proteomics.
Mr. Zhang joined Liu, Shen & Associates in 2012 and became a qualified patent attorney in 2014. He specializes in patent prosecution, re-examination, patent invalidation, IP litigation, and client counseling with a focus on optical engineering and mechanical engineering.
Mr. Zhang had a master's degree from Beijing Institute of technology in 2012.
Mr. Zhang joined Liu, Shen & Associates in 2001. He specializes in patent prosecution, re-examination, patent invalidation, IP litigation, and so on with a focus on semiconductor device, display device, office equipment, home appliance, secondary battery, HDD, etc.
Mr. Zhang became a qualified patent attorney in 2006. He has participated in several patent lawsuits including patent invalidation and patent infringement, and done several analyses of patent stability, patent infringement, and so on.
Mr. Zhang had his PhD degree from Tsinghua University in 2001. He joined the law degree training program jointly provided by China University of Political Science and Law and the John Marshall Law School, Chicago, USA from 2005 to 2007, and got his LLM degree.
Delphi Laser Co., Ltd vs HAMAMATSU PHOTONICS KK in Patent Invalidation and the Following Administrative Litigation, Mr. Zhang and his colleagues represented Delphi Laser and finally won the lawsuit.
Mr. Zhang joined Liu, Shen & Associates in 2007 and became a qualified patent attorney in 2009.
Mr. Zhang has participated in patent licensing counseling, patent invalidation and pre-litigation analysis in the firm.
Mr. Zhang obtained a bachelor degree and a master degree from Zhejiang University in 2002 and 2005, respectively. Before joining this firm, Mr. Zhang worked as an engineer at GE Healthcare Group for two years.
Mr. Zhang further went to summer school on IP IN EUROPE in university of STRASBOURG of France in 2016.
1. VOICEAGE CORPORATION v. ZTE CORP., patent invalidation, representing the patentee. The Board held the patent valid.
2. HANGXIAOGANGGOU LTD. v. ZHEJIANG OULAGANGJIEGOU LTD, patent invalidation, representing the patentee. The Board held the patent valid.
3. Electronics and Telecommunications Research Institute v. GUO DONGMEI, patent invalidation, representing the patentee. The Board held the patent valid.
4. CREAFORM INC. v. GUO SHUAI, patent invalidation, representing the patentee. The Board does not make the decision yet.
5. Siemens v. Patent Reexamination Board of the SIPO (2017), patent administrative action, Beijing First Intermediate Court. This case is in progress.
Ms. Zhang joined Liu, Shen & Associates in 2005 and became a qualified patent attorney in 2007. She specializes in patent prosecution, re-examination, patent writing, and client counseling with a focus on data/image processing, electrical engineering, telecommunication, electronics, computer science, electronic design as well as Internet.
Ms. Zhang got her qualification as an attorney at law in 2007.
Ms. Zhang had a master's degree from Beijing University of Technology in 2005, major in Circuit & System. She received a professional training at John Marshall Law School in USA in 2011, relating to U.S. Patent Law and Practices.
- Trademark dispute between Beijing DaoXiangCun Food Industry Co., Ltd and Suzhou DaoXiangCun Food Industry Co.
Ms. Zhang won a prize of “Best Valuable Attorney” from Samsung Electronics Co., LTD in 2011.
Mr. Zhang started practice in intellectual property affairs in Liu, Shen since 2017. Mr. Zhang provides intellectual property related services such as patent prosecution, litigation, patent analysis, and patent search and so on for several clients. Mr. Zhang is dedicated to providing a wide range of high-quality intellectual property services for clients. Mr. Zhang handles intellectual property affairs in the field of Signal and Information processing, Digital Image Processing, Computer Science, Semiconductor Technology, Artificial Intelligence etc.
Mr. Zhang received his Master and bachelor's degrees both from Xiamen University (XMU) with a major on Communication Engineering during 2006-2011.
Ms. Zhang joined Liu, Shen & Associates in April, 2007. She provides intellectual property related services such as patent prosecution, patent analysis, patent search, re-examination, patent invalidation and IP litigation with a focus on telecommunication, computer science, Internet, automation as well as image processing.
Ms. Zhang is experienced in infringement litigations and invalidations relating to SEP and non-SEP.
Ms. Zhang became a qualified patent attorney in 2007, and got her qualification as an attorney at law in 2008.
Ms. Zhang received her Master of Laws (LLM) degree from The John Marshall Law School (JMLS) in Chicago, IL, USA, with a major on Intellectual Property Law, in 2016, and received the Graduate with Honors Award.
Ms. Zhang received her master's degree from Beijing University of Posts and Telecommunications with a major on Information and Communication System, in April, 2007.
- A series of infringement litigations and invalidations relating to SEP and non-SEP.
- “Process patent protection” in Liu, Shen & Associates.
- Graduate with Honors Awards (GPA=4.010), awarded by The John Marshall Law School (JMLS) in Chicago, IL, USA.
Mr. Zhang joined Liu, Shen & Associates in 2011. Mr. Zhang obtained the qualification as a patent attorney in 2012 and obtained the qualification as an attorney at law in 2015.
Mr. Zhang’s current practice mainly focuses on patent enforcement including patent litigation and administration proceedings, patent prosecution and invalidation in the technical fields of automobile manufacturing, E-Vehicles, machinery manufacturing, Mechanical and electrical engineering, wind turbine as well as medical apparatus. Mr. Zhang’s services also include providing legal advice.
Mr. Zhang had a master's degree from Technical University of Clausthal (Germany) in 2010. Before joining this firm, Mr. Zhang worked as a CAE engineer in Sany Electric for one year. In Sany Electric he worked in wind power generation, mainly including calculation of structure strength for a wind turbine by using FEM software, writing certification report and charging a computer center, which is used for parallel computing.
- We represent the defendant AUX.
- Patent: Utility model patent for air-conditioning deflector connection device.
- Jurisdiction: Guangzhou IP Court.
- The others: Successfully retrieving the evidence of common sense in the invalidation procedure.
- We represent the defendant Nanjing Baoguang Company.
- Patent: Two patents involving jewelry identification instruments.
- The others: Successfully convincing the judge to reject the plaintiff’s lawyer’s request for judicial appraisal by explaining to the judge the difference between the defendant's product and the patent involved.

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