Intellectual Property


DaHui has extensive experience in advising on intellectual property issues in the PRC. We can handle everything from registration to enforcement and litigation. In addition to trademark and copyright issues, we help clients develop strategies to protect their technology and trade secrets. We also advise on Internet piracy issues.

Abroad, we frequently coordinate with counsel in other countries to develop worldwide IP strategies for our clients. In the PRC, we work with the Ministry of Culture (MOC), the National Copyright Administration (NCA), and the Trademark Office (TMO) to keep abreast of regulatory changes to ensure our clients’ IP is protected. And our attorneys are experienced at representing clients in IP proceedings in both judicial and administrative venues.

Our services in this area include:

  • Development of intellectual property protection strategies
  • Assessment of the legal standing of intellectual property assets
  • Protection of IP from employees
  • Dispute resolution
  • Technology transfer and patent licensing contracts
  • Patent portfolio management
  • Trademark, patent, copyright, and domain name searches
  • Registration of trademarks, copyrights, computer software, and domain names
  • Representation in opposition, cancellation, and invalidation proceedings
  • Commencement of opposition and invalidation proceedings
  • Customs enforcement strategies to prevent infringing products from being exported

Relevant Experience

Air Products & Chemicals

Represented Air Products & Chemicals, the U.S.-based international business principally selling gases and chemicals for industrial uses, in winning both a wrongful termination labor arbitration and a subsequent trade secret infringement court case.

Alibaba Group (incl. Ali Pics, Youku, etc.)

Provided numerous distinct businesses of Alibaba Group with IP due diligence, analyses and advice for its strategic investments, joint ventures and cooperation projects.


Represented Amazfit, a Chinese smart wearable brand established in September 2015, in a patent administrative protection case before the Beijing IP Office to protect its Mi Band products against a competitor’s hey+ bracelets, and after obtaining a favorable decision, in successfully dismissing the infringer’s appeal before the Beijing IP Court.


Represented ByteDance, the Chinese multinational Internet technology company with a range of content platforms, in numerous lawsuits to protect its trademarks, patents, domain names, etc., including a strategic, precedent-setting litigation to recognize its key trademark “Douyin” (Chinese version of “TikTok”) as a well-known trademark.


Advised and represented CBS on licensing content to local partners in order to most effectively enter the highly regulated China market and on the accompanying IP protection strategy (including actions to bring wayward licensees back in line).

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