IP Expert

Overview

Jacob (Siyue) Zhang has expertise in patent prosecution and invalidity, patent administrative and civil litigation, patent strategy design and portfolio development, patent due diligence and freedom to operate investigation, patent analysis, IP anti-counterfeiting, etc.

Since 2007, Zhang has represented many Fortune 500 companies in over 1,000 patent prosecution and litigation cases, among which a patent invalidity case he handled was selected as the No. 1 case of the Top 10 cases of the Patent Reexamination Board of the China National Intellectual Property Administration in 2016, patent civil litigation cases and the related patent invalidity case he handled were selected by people.cn (a state-run media) as the No. 1 case of the Top 10 Typical Patent Cases in 2018, and a litigation case that he was involved was selected by the Supreme People’s Court of China as one of the Top 10 Intellectual Property Litigation Cases of Chinese courts in 2019. Zhang and his team also manage global patent portfolios comprising thousands of patents and patent applications in various jurisdictions on behalf of their Chinese clients.

Zhang was recognized as a Patent Star by MIP’s IP Stars since 2023 and has been listed in the IAM Patent 1000 Individuals for both patent prosecution and litigation since 2021 (only 15 professionals in China won the dual awards in 2023). Zhang was also recognized as the Outstanding Patent Attorney in Beijing by the Beijing Patent Attorneys Association, and has been selected as the Top 100 China IP Experts by Asia IP since 2021. Zhang joined Lung Tin in August 2016.