Litigation Case

Beijing Olympic“Giant Footprint”Inventor/Designer & Patent Ownership Dispute Case

Beijing IP Court(Supporting Plaintiff’s Claim)-

Beijing Supreme Court(Revoke judgement from the first trial)-

Supreme Court(Dismissed the request for retrial)

The National First Case Tried at the Intellectual Property Court in Beijing

At 9:30 on December 16, 2014 , the first ever case went on trial at the Beijing Intellectual Property Court after its establishment. Our firm presented at the court as the representative of the third party. Chi Su, the chief justice of Beijing Intellectual Property Court as the presiding judge. Ying Jiang and Jun Yi as the Judge Group.

Broadcast by CCTV News

Broadcast by Beijing Court website

Broadcast by more than 50 medias including Beijing TV Station

U.S. Biological Gene IDEC Patent Litigation for the Treatment of Moderate and Highly Non-Hodgkin's Lymphoma with Anti-CD20 Antibodies

Roche's American biological gene IDEC, which is owned by Roche, is the oldest independent biotechnology company and Fortune 500 company in the world. The invalidity of the accused patents has far-reaching significance for the China domestic antibody pharmaceutical industry.

This case involves the determination of unexpected technical effects in patent administrative litigation. The court of first instance of the Beijing No. 1 Intermediate People's Court ruled to revoke the part of the decision to appeal that was based on the claim 2 to continue to maintain the validity of the involved patent. Beijing Higher People’s Court upheld the verdict.

Invalidation case

MOBIKE Patent Invalidation

On September 27, 2017, the Patent Reexamination Board organized a public hearing on this case and it is the sixth case in which the Patent Reexamination Board organized the public hearing of major cases.Sunshine IP International was selected to represent Mobike in front of the court.

On November 1, 2017, China IP News reported the entire case.On December 26, 2017, the Patent Reexamination Board made a decision on the invalidation request and declared that all patent rights were unpatentable.

World’s No. 1 Saber”Patent Invalidation Trial Went on for 8 Years

All claims invalidated |Patent Reexamination Board (PREB)-Uphold | Beijing No.1 Intermediate People’s Court (IPC)-Only Claim 3 is Valid | Beijing High People’s Court (HPC)-Rejected | Beijing HPC-Invalidated | All Claims PREB-Uphold | Beijing No.1 IPC-Uphold | Beijing HPCInvalidated | All Claims PREB-Uphold | Beijing No.1 IPC


  • Sunshine IP International Helps Hong Kong-Zhuhai-Macao Bridge Won its Major Technology in Patent Invalidation Case

Trademark & Copyright




Consulting Case

Oversea IP FTO for High Speed Train Braking Technology

Rely on Government Funding for Early Warning Projects

Comprehensive analysis on global distribution of brake products and risks in Europe

Comprehensive analysis on related European patent systems

Comprehensive investigation of infringement risk

This project provided risk prevention for the overseas output of China's high-speed train technology.

        Sunshine Intellectual Property Group

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