en
Xiangfei JIUPartner
Areas of Practice

Mr. Jiu has extensive experience in the fields of patents, trade secrets, and other areas of intellectual property (IP). His practice covers technical sectors including biopharmaceuticals, chemistry, chemical engineering, and medical devices. His professional services include patent drafting and prosecution, patent searches and advisory services, freedom-to-operate (FTO) analysis, patent reexamination and invalidation proceedings, IP civil and administrative litigation, IP due diligence, licensing, and other related legal matters. He has long provided comprehensive, full-cycle IP legal services to innovative enterprises, listed companies, multinational corporations, as well as universities and research institutions.

Working language

Mandarin Chinese, English and Japanese

Qualification

PRC Bar Patent Agent

Education
Renmin University of China Law School,Master of Intellectual Property Law
Peking University School of Pharmaceutical Sciences,Master of Pharmaceutical Sciences
Peking University School of Pharmaceutical Sciences,Bachelor of Pharmaceutical Sciences
Representative Matters(Selected)
Patent Drafting and Prosecution: Handled hundreds of patent applications for various domestic and international innovators, covering different types of cross-border and domestic filings. Clients include well-known enterprises and research institutions in China and abroad.
Patent Analysis and Strategy: Provided patent portfolio strategy and patent landscaping services for a pharmaceutical product of a listed company in Beijing; delivered patent navigation services for in vitro diagnostic reagents for a high-tech industrial development zone in China.
Freedom-to-Operate (FTO) Analysis: Conducted FTO searches and analyses for a dental robotics company in Shenzhen, a robotics company in Shanghai, a multinational pharmaceutical company in the United States, and a pharmaceutical company in Shandong.
IP Due Diligence: Provided patent due diligence services for a well-known state-owned pharmaceutical company in connection with its investments in a protein drug project and a cardiovascular medical device project; also provided patent due diligence services for a state-owned investment fund in its investment in a medical device project.
IP Services in IPO Projects: Provided comprehensive intellectual property legal services to an issuer preparing for an initial public offering and listing on the Hong Kong Stock Exchange.
Patent Invalidation Litigation: Represented patent owners in litigation concerning patents relating to an EGFR inhibitor, a catalyst, and a medical device; represented petitioners in filing patent invalidation requests against patents relating to a catalyst and a polymer chemical product.
Patent Infringement Litigation: Provided legal services in patent infringement litigation between a chemical enterprise and a foreign company; also represented a multinational company in a patent infringement dispute in the biotechnology field.
Other Technology-Related Disputes: Provided legal services in a trade secret dispute between a chemical company in Jiangsu and its foreign partner, and in a trade secret misappropriation case involving a medical device company in Hunan arising from the departure of former employees.
Practice/Work Experience
"A Discussion on the Application of the Priority System in Chinese Patent Applications in the Pharmaceutical and Biotechnology Field," China Invention and Patent, 2017.
"Patent Analysis Strategies for Preventing and Responding to U.S. Section 337 Investigations," China Intellectual Property, 2016.
"Analysis Report on Infringement Cases of Invention Patents in the Fields of Machinery, Electronics, and Chemistry," IP Power, 2016.
"Patent Search Platform Based on Semantic Search," Patent Examination Research, 2014.
"Analysis of the Current Status of Chinese Invention Patents for Traditional Chinese Medicine in the Treatment of Alzheimer's Disease," Science and Technology Innovation Herald, 2014.