Hanguo Zhang is an Equity Partner at Grandway Law Offices specializing in intellectual property matters, including contentious and non-contentious IP work. He has over 20 years of legal experience and previously led the patent practice at a leading domestic law firm. Earlier in his career, he worked at the China National Intellectual Property Administration (CNIPA), where he held several key positions including Director of the Legal Affairs Division. He participated in the examination and litigation of over a thousand patent-related matters and appeared in court nearly 300 times. He also contributed to the research and formulation of China’s 12th, 13th and 14th Five-Year Plans for intellectual property development. His practice focuses on patent, trade secret, trademark and copyright matters across the electronics, telecommunications, chemistry, pharmaceutical and machinery sectors.
- Represented China's second-largest energy storage company and its founder in an unfair competition lawsuit initiated by the industry market leader during the client's Hong Kong IPO process. The plaintiff initially sought damages exceeding RMB 50 million. The team successfully secured a first-instance judgment significantly reducing the claimed damages and obtained a finding of non-infringement for one defendant.
- Represented Chengdu Oci Medical Devices Co., Ltd. in a patent invalidation matter and related administrative litigation. The project involved infringement claims totaling approximately RMB 9 million. The team achieved victory in the invalidation proceedings and both administrative litigation stages, leading to the withdrawal of all infringement lawsuits by the opposing party.
- Represented Guangdong Lyric Robot Automation Co., Ltd. in a series of patent infringement and patent invalidation matters. Through a coordinated litigation and invalidation strategy, the team managed disputes connected to infringement claims totaling RMB 99 million and achieved favorable outcomes for the client.
- Represented a client in retrial and protest procedures involving a patent invalidation decision. The CNIPA ultimately declared all patent claims invalid, helping the client avoid potential compensation exposure of nearly RMB 100 million.
- Represented a client in patent infringement and parallel invalidation proceedings in the air-conditioning sector. The team successfully applied the doctrine of estoppel in the infringement proceedings after obtaining favorable claim interpretations in the invalidation action, protecting the client’s market position and commercial interests.
- Intellectual property
- Automotive
- Consumer goods and services
- Energy
- Industrials
- Pharmaceutical and life sciences
- Technology and telecommunications
- Bachelor of Engineering - Nanjing University of Aeronautics and Astronautics (NUAA) 1992-1996
- Master of Laws - Southwest University of Political Science and Law (SWUPL) 1999-2002
- Doctor of Laws - Zhongnan University of Economics and Law (ZUEL) 2010-2015
- Chinese Lawyer Certificate:11101199910352445 - 2018