IP Litigation

Our 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, trade secret litigation, IP consultation service, enterprise IP litigation strategy, IP infringement analysis, patent and trademark stability search and analysis, and IP infringement investigation.

We have completed more than 2,000 IP dispute cases, 80% of which are patent dispute cases. We win 85% of all of our IP dispute cases. In 2017 and 2018, our win percentage peaked at 90%.


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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