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Timestamp: 2019-04-26 09:33:37+00:00

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Mr. Zhang joined Liu, Shen & Associates in 2012 and became a qualified patent attorney in 2014. He specializes in patent prosecution works on internal combustion engine; automobile; electrical & electronics; mechanical engineering; and so on. Since 2012, he has drafted many patent applications, including translating and proofreading many patent applications, and has answered many office actions for some famous corporations, such as NISSAN, SIEMENS and SKF, and also deals with some patent reexamination cases, covering the fields of fuel cell, vehicle’s engine and the like.
Mr. Zhang had a Ph.D. degree from Tianjin University in 2010. Before joining this firm, Mr. Zhang worked as a researcher at a scientific and technical corporation for two years.
Mr. Zhang joined Liu, Shen & Associates in 2012 and became a qualified patent attorney in 2014. He specializes in patent prosecution with a focus on engineering machinery, agricultural machinery, automotive engineering, medical equipment, image processing as well as household appliances.
Mr. Zhang had a Degree of Bachelor of Engineering and a Degree of Bachelor of Arts from Dalian University of Technology in 2010.
Mr. Zhang started his legal profession in 2002 with Liu, Shen & Associates and he has been representing domestic and international clients for many years. He focuses on all aspects of intellectual property matters, ranging from patent application preparation and prosecution, patent reexamination, patent invalidation and litigation, freedom-to-operate, legal opinion, to due diligence, patent portfolio management, technology transfers, licenses, and strategic alliances, copyrights, and trade secrets. In addition, Mr. Zhang also has a rich experience in the protection of Plant New Varieties.
Mr. Zhang specializes in the life science-related fields including biotechnology, immunology, vaccine, biochemistry, molecular biology, pesticides, pharmaceutical, agriculture science, biomass, biomaterial, botanical science & breeding, medical device, food & nutrition science, feed science, environmental biology, cosmetic and detergent.
Prior to joining Liu Shen, he was engaged in research and development in life science. In 2001, he worked at the Beijing Genomic Institute, the Chinese Academy of Sciences and took part in the Rice Genome Project, which was an international cooperation project launched by many countries. In the late of 2007, he was dispatched to a famous European company in life science field and sequentially worked as consultant/patent attorney/patent manager in Patent & License department from 2007 to 2009.
Mr. Zhang got his second Master degree in Intellectual Property Law from the Law School of Peking University in 2013. Before that, he received a Bachelor of Science in Biology from Hebei University in 1998, and a Master degree in Agricultural science from the graduate school of Chinese Academy of Agricultural Science in 2001.
During the summer of 2007, he visited Birch, Stewart, Kolasch & Birch, LLP at Washington DC, USA, where he gained training in U.S. patent practice. In 2015, he was dispatched to a famous French law firm in Paris and took part in the training in European patent practice.
- Syngenta Participations(Switzerland) AG v. Jiangsu Huifeng Agrochemical Co., Ltd.
- DSM IP Assets B.V. (Netherlands) v. Ni ShaoWei (China) in the litigation case, representing DSM.
- The Examination and Protection of Claims Having Functional Definition: A Case of Bio-medical Invention, Master’s Dissertation of Peking University, 2013.
Mr. Zhang began his legal career in2003 inSIPO and joined Liu, Shen & Associates in October 2013.
Mr. Zhang specializes in patent (including invention, utility model and design) prosecution, invalidation, litigation and counseling, including infringement, validity and FTO analysis in the technical fields of Biotechnology; Pharmaceuticals; Life Sciences; Chemistry; and medical devices.
Mr. Zhang worked in the Pharmaceutical and Biotechnology Appeal Division of the Patent Reexamination Board (PRB) from 2007 to May 2013. He served as the chairman of a panel over 5 years, handled a number of important invalidation and reexamination cases including one case chosen to be the Top 10 IP cases of China courts in 2016, and two cases chosen to be the Top 10 cases of PRB in 2010 and 2012. He represented the PRB in patent administrative litigation before Beijing courts, and provided legal and technical expert counseling relating to patent infringement. After joining Liu, Shen & Associates, he takes charge of the cases finally rejected or entering into the reexamination procedure, and several invalidation and litigation cases.
Mr. Zhang received his bachelor degree and master degree in Cell Biology fromNanjingNormalUniversityin 2000 and 2003. He finished the postgraduate diploma programmes from China University of Political Science and Law.
He received training from John Marshall Law School in 2009, and AIA practice training from Scully, Scott, Murphy & Presser, P.C. in 2016.
- Novozymes vs. Shandong Longda Bio-products Co., Ltd. for patent invalidation dispute. One of the Top 10 IP cases of China courts in 2016 and one of the Top 10 cases of PRB in 2012. Presiding member of the panel representing the PRB, making the invalidation decision, which maintained the validity of technical solutions defined by structure, sequence homology and source, and winning the suit in the Supreme Court. (2016) Zuigaofa Xing Zai No. 86.
- Jianqiao Medicine Dev Co., Ltd vs. Beijing Holleycotec Medicine Co., Ltd. for patent invalidation dispute. One of the Top 10 cases of PRB in 2010. Presiding member of the panel, representing the PRB in patent administrative litigation before Beijing courts, and winning the suit. (2010) Gao Xing Zhong Zi No. 14.
- Guangzhou Welman Pharma Co., Ltd vs. PRB for patent invalidation dispute. Presiding examiner of the panel making the decision and winning the suit in the Supreme Court. (2012) Zhi Xing Zi No. 5.
- Arkema v. Chemours Company for patent invalidation dispute (ZL200980116200.0). On behalf of petitioner invaliding the patent right in whole.
- Tianhepeng vs. Unilever for patent invalidation dispute (ZL200580031702.5). On behalf of petitioner invaliding the patent right in whole.
- Tianjin Super Biotechnology Developing Co., Ltd vs. Academia Sinica for patent invalidation dispute (ZL200480040177.9). On behalf of patentee maintaining the validity of the patent right.
- Xi ZHANG vs. ALIBABA Group Holding Ltd for patent invalidation dispute (ZL201620847681.X). On behalf of petitioner invaliding the patent right in whole.
- Guangzhou Welman Pharma Co., Ltd vs. PRB for patent invalidation dispute. Presiding examiner of the panel making the decision and winning the suit. (2011) Gao Xing Zhong Zi No. 299.
- Ipsen pharma Biotech vs. PRB for patent invalidation dispute. Presiding examiner of the panel making the decision and winning the suit. (2010) Gao Xing Zhong Zi No. 301.
- Merck vs. Hangzhou Minsheng Pharma for patent invalidation dispute. Presiding examiner of the panel making the decision and winning the suit. (2008) Gao Xing Zhong Zi No. 524.
- Due Diligence regarding the patent applications of one Biotech company.
- FTO analysis of Stora Enso.
- FTO analysis of Total Group.
- “China’s Antibody Patent Examination Standards and Reasonable Applicable Proposals in Conjunction with Industry Status”, Chapter 21, p319-341, Biotechnology inHong Kong(Volume II), December 2014.
Mr. Zhang joined Liu, Shen & Associates in 2007 and became a qualified patent attorney in 2008.
Mr. Zhang has obtained a doctor’s degree in Optics from the Peking University in 2007 and obtained his bachelor’s degree in Applied Physics from Wuhan University in 2002.
Mr. Zhang received a professional training at law firm HSML, P.C. in U.S. in 2015.
Ms. Zhang joined Liu, Shen & Associates in 2014. She specializes in trademark application, recordal of assignment and name/address change, opposition, non-use cancellation action, invalidation action, review on rejection, etc.
Ms. Zhang graduated from Beijing Institute of Technology in 2013 and obtained her Master’s Degree as a major of foreign linguistics and applied linguistics, and graduated from Beijing University of Aeronautics and Astronautics and obtained her Bachelor’s Degrees both in English and Laws.
Ms. Zhang joined Liu, Shen & Associates in 2005, became a qualified patent attorney in 2006, and got her qualification as an attorney at law in 2009. She specializes in patent prosecution, patent application drafting, re-examination, patent invalidation, IP litigation with a focus on telecommunication, electric circuit, automatic control, electrical engineering, display device, computer science, Internet, vehicle Engineering, construction engineering.
Ms. Zhang analyzed relevance and validity of plenty of commercial patents (NSEPs) and standard essential patents (SEPs), and made some Freedom to operate (FTO) analyses and non-infringement analyses.
Ms. Zhang received her master degree in telecommunication from Peking University in 2002, and obtained her bachelor degree in information system from WuHan University in 1999. Ms. Zhang worked as a researcher at Beijing Fujitsu Research & Development Center for about three years before joining this firm.
Ms. Zhang received professional training in University of Strasbourg in France in 2013.
1. A domestic telecommunication company v. an international telecommunication company, representing the domestic telecommunication company before Beijing Intellectual property Court, successfully invalidating all claims of the patent during the patent invalidation proceeding. The case was dismissed.
2. A domestic telecommunication company v. an international telecommunication company, representing the domestic telecommunication company before Xi’an Intermediate Court, successfully invalidating all claims of the patent during the patent invalidation proceeding. The case was suspended.
3. Anhui Changsheng Electronics Co. ltd v.s. Xiamen SETfuse Electronics ltd., invalidation of patent for the second time, representing the patentee, defending all claims to be valid.
4. Zhejiang Oula vs. Hang Xiao Steel structure, a patent invalidation case, representing patentee, defending all claims of the patent to be valid. The patent was awarded Gold Medal Patent of Zhejiang province thereafter.
5. Providing a telecommunication company with services including patent infringement analysis, and validity evaluation related to SEP portfolio.
-IP communication with technical researcher to improve IP protection.
1. “Determination of Infringement for Multiple Subjects Implementing a Method Patent”, Asia IP, August of 2018.
5. “The response of the European Patent Office's search report”, Liu-Shen WeChat public platform, November of 2015.
1. “Determination of infringement for multi-subject separately implementing a method patent Base on U.S. Akami case”, experience communication and sharing in Liu-shen firm, December of 2017.
2. “Reflection on a patent invalid case”, experience communication and sharing in Liu-shen firm, December of 2016.
3. “My opinion on patent mining”, communication conference of a Beijing R&D center of a telecom operating company, May of 2016.
4. “Some points of consideration about patent drafting”, experience communication and sharing in Liu-shen firm, July of 2012.
Ms. Yuan Zhang joined in Liu, Shen & Associates as a patent attorney in 2015. Her current practice includes patent prosecution with a focus on Biochemistry, and Pharmaceutical Chemistry. The areas that Yuan Zhang is familiar with include pharmaceutical, immunology, gene engineering, material of display device, printer related area, paper industry etc. Her working languages are Chinese and English.
Yuan Zhang obtained the Bachelor's Degree from Nankai University, and pursued the Ph.D. degree in Iowa State University, USA. Her Ph.D. study mainly focuses on the biochemistry area, including protein structure determination, interaction between protein and small drug molecules, etc.
After graduation, Yuan Zhang came back to China and worked as a patent agent in Deqi Intellegence Intellectual Property Law Corporation for over three years, with rich experience in drafting patents for invention and utility model, handling PCT applications entering national phase, as well as OA response and reexamination issues after filing the application.
Ms. Zhang joined Liu, Shen & Associates in 1994 and became a qualified patent attorney in 1998. She now is co-head of patent application department of the firm.
Ms. Zhang had a bachelor's degree from Hefei Industrial University in 1990 majoring in Mechanical Engineering. She received training from Birch, Stewart, Kolasch & Birch, LLP in 2006.
Ms. Zhao joined Liu, Shen & Associates in 2007. She specializes in patent prosecution and re-examination, patent invalidation, patent evaluation and patent litigation. Her experiences span into broad technology areas including telecommunication, image processing, electronics and circuits, computer and network, e-commerce and semiconductor etc.
Ms. Zhao got her qualification as a patent attorney in 2008 and as an attorney at law in 2009. She has participated in several patent lawsuits including patent infringement and patent invalidation. Her practice experiences also include the patent infringement analysis, patent invalidation analysis, patent evaluation and FTO analysis.
Ms. Zhao received her master degree in communication system and signal processing from theUniversityofBristol. Ms. ZHAO also studied the Intellectual Property Law of theUSat theJohnMarshallLawSchoolinChicago,USand obtained L.L.M. degree. Prior to joining the firm, Ms. Zhao worked in Telecommunications Research Laboratory of Toshiba Research Europe Limited as a researcher.
- In the serial cases of Samsung v. Huawei, as the attorney of Samsung, participated in the patent invalidation, and the infringement lawsuit.
- “Analysis on Standard Essential Patent (SEP) lawsuit cases in China”, 2016.

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