Jacob Siyue Zhang

Partner at Lung Tin Intellectual Property Agent Ltd

Jacob Siyue Zhang has expertise in patent prosecution, invalidity, administrative and civil litigation, strategy design and portfolio development, due diligence and freedom-to-operate investigation and analysis, as well as IP anti-counterfeiting. He is experienced in patent cases in technical areas of computer software and hardware, Internet, e-commerce, electronics, telecommunication, semiconductor, image processing, display and lighting, mechanics and automation, among other areas.


Since March 2007, Mr Zhang has represented many Fortune 500 companies in over 1,000 patent prosecution and litigation cases, among which: 
•    a patent invalidity case that was selected as the No 1 case among the Top 10 cases of the Patent Re-examination Board of the China National Intellectual Property Administration in 2016; and 
•    patent civil litigation cases and the related patent invalidity case that were selected by people.cn (a state-run media) as the No 1 case among the Top 10 typical patent cases in 2018. 

Mr 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.

Mr Zhang is frequently invited to speak at international IP events, such as at European Patent Office, the University of Washington and the World Congress of the International Federation of Intellectual Property Attorneys. 

Mr Zhang was licensed to practise as a Chinese patent attorney in 2008 and qualified as a Chinese national information engineer (patent information analysis) in 2009. Mr Zhang obtained his master’s in microelectronic design (first-class honours) from the National University of Ireland and his bachelor’s in telecommunication and electronic system from the Beijing Institute of Technology.

Mr Zhang was recognised as a Beijing Intellectual Property Expert by the Beijing Intellectual Property Office in 2020 and as a Beijing Outstanding Patent Attorney by the Beijing Patent Attorneys Association in 2021. Mr Zhang is vice chair of the China IP Issues Committee of the American Bar Association for the current term (2019-2021).

Professional associations

  • AIPPI
  • ABA

Sample client list

  • American Express
  • Bauerfeind
  • BOE
  • Decathlon
  • Grundfos
  • LG
  • nChain
  • Nexteer
  • OPPO
  • Tencent
  • Xiaomi

Firm details

Lung Tin Intellectual Property Agent Ltd
18th Floor
Tower B
Grand Place
5 Huizhong Road
Chaoyang District
Beijing 100101
China

Contact details

See firm profile