Hansel Li
Attorney at Law Patent Attorney

Mr. Li possesses interdisciplinary expertise in both law and engineering, with a strong focus on patent litigation and invalidation proceedings. He is particularly skilled at distilling complex technical issues into clear and persuasive legal arguments. Leveraging his technical background and legal training, he is capable of independently handling patent infringement and invalidation cases, with extensive practical experience in claim construction, technical feature analysis, infringement comparison, and inventive step assessment.

Mr. Li has developed comprehensive capabilities throughout the entire lifecycle of intellectual property disputes, including pre-litigation risk assessment, invalidation strategy development, evidence collection and strengthening, legal drafting, and oral advocacy. He is committed to transforming intricate technical facts into compelling legal reasoning and achieving effective integration of technology and law in complex and high-stakes disputes.

 

+86 10 88369999
Patent & Technology / Litigation & Disputes Resolution
Beijing

Technical field

  • Telecommunications technology
  • Consumer electronics
  • Mechanical design
  • Manufacturing processes
  • Artificial intelligence

Years with IP Matters

2023 until now 

Professional Experience

Attorney at Law & Patent Attorney, Chang Tsi & Partners
Trainee Lawyer, Zhuojian Law Firm
Patent Engineer,  PSHIP Firm,LLC(Shenzhen Office) 

Representative Cases

Patent Litigation and Invalidation

Electronic Cigarette Patent Dispute: Represented the defendant in a patent infringement dispute involving electronic cigarette technology. Initiated invalidation proceedings against the asserted patent and successfully secured a decision invalidating all claims through multi-dimensional prior-art searching and analysis. The invalidation outcome ultimately led to the reversal of the first-instance judgment and the dismissal of the plaintiff’s claims, resulting in a complete defense victory with no damages awarded.

Three-Roll Mill Invention Patent Litigation: Represented the defendant in an invention patent infringement case concerning three-roll mill technology. Conducted in-depth technical feature analysis and developed a comprehensive non-infringement defense strategy. The plaintiff subsequently withdrew the lawsuit during the trial proceedings.

Non-Contentious Intellectual Property Matters

IP Governance for Intelligent Massage Systems: Provided intellectual property governance services for intelligent massage systems and related high-frequency power transmission hardware. Advised on design-around strategies, supply-chain liability allocation, and the establishment of a comprehensive IP risk management framework covering research and development, manufacturing, and overseas commercialization.

Patent Prosecution

Drafted and prosecuted more than 50 patent applications, including responses to Office Actions, for leading technology companies such as:

  • Zoomlion
  • XPENG
  • Geely Auto
  • Q Technology

Education

  • Bachelor of Metal Materials and Engineering, Liaoning Petrochemical University (2015)
  • Master of Law, University of Science and Technology Liaoning

Bar Admission

China Bar
China Patent Bar

Languages

Chinese
English