IP Litigation

Sunshine IP Litigation Team focuses on IP dispute resolution, including patent invalidation, patent infringement, patent administrative litigation, trademark infringement litigation, trademark administrative litigation, unfair competition litigation, and trade secret litigation, and IP consultation service, covering enterprise IP litigation strategy, IP infringement analysis, patent and trademark stability search and analysis, and IP infringement investigation.

Litigation team has completed more than 2,000 IP dispute cases, of which the patent dispute cases reach 80%, the win rate of IP dispute cases is up to 85%, and the win rate of IP dispute cases achieves 90% in 2017 and 2018.


Patent and Trademark Infringement Litigation

Patent and Trademark Administrative Litigation

Patent Infringement Analysis and Search

Patent Re-examination Litigation

Patent Invalidation & Opposition

Patent Public Opinion

Hong Kong, Macao and Taiwan IP Litigation

Oversea IP Litigation

Trade Secret Litigation

Litigation Strategy Making

Unfair Competition Litigation

International Cooperation of firms

Lead Management

Jackey ZHANG

Patent Attorney | Attorney at Law

Meihua ZHOU

Litigation Department Manager | Attorney at Law

Hongtuan LI

Attorney at Law | Judicial Authenticator

        Sunshine Intellectual Property Group

  • Tel: +86-10-82870718 / +86-10-84065599 


    E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.

    Address:5F,Tower A, Zhongguancun Intellectual Property Building, No.21, A, Haidian South Road, Haidian District, Beijing, P.R.China, 10080

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