S Sam Li

Partner at Wanhuida Intellectual Property

S Sam Li is a partner at Wanhuida Intellectual Property and a member of the firm’s management committee. He practises in the areas of IP law with a focus on litigating patent, trade secret and other technology-related matters.

Dr Li has served as strategic counsel for both multinational and domestic Chinese corporations in patent infringement litigation, patent invalidation proceedings and subsequent administrative litigation, criminal and civil trade secret cases, and disputes over technology agreements before the courts, arbitral tribunals and the Patent Re-examination Board (PRB). He advises clients on matters concerning IP rights and competition and provides opinions on freedom to operate (FTO), infringement, validity and patentability. Dr Li’s team often works with clients on complex disputes in multiple jurisdictions.

Dr Li’s recent work includes:

  • representing multinational companies in patent litigation in a number of Chinese courts, successfully stopping defendants’ infringement activities, obtaining damages and procuring injunctions and pre-suit injunctions;
  • defending or challenging patent validity in the fields of chemistry, biotechnology, pharmaceuticals and electronics, and representing clients in subsequent administrative litigation;
  • advising and representing clients in several major trade secret matters involving both criminal enforcement and civil litigation, and conducting investigation in a number of cases involving breach of confidentiality and trade secret theft;
  • representing a major Chinese chemical company in the arbitration of a technology contract dispute and advising clients on the enforcement of arbitral awards; and
  • advising clients in the chemical, pharmaceutical, biotechnology and energy industries on various FTO, non-infringement and patent validity opinions for launching new products or processes, preparing for initiating or defending infringement actions, and assessing the merits for invalidation actions or litigating decisions of the PRB.

Dr Li has substantial experience practising law in the United States. After law school, he was a clerk at the Maryland Court of Appeals, where he worked on a wide range of legal issues. Dr Li also served as chief IP and legal counsel for Asia-Pacific at a major US chemical company.

Professional associations

  • District of Columbia Bar

Firm details

Wanhuida Intellectual Property
Yiyuan Office Building
Friendship Hotel
1 Zhongguancun South Street
Haidian District
Beijing 100873

Contact details

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