Patent Litigation/Invalidation

A leading mobile device company in multiple patent infringement and invalidation disputes concerning invention, utility model, and design patents in Mainland China, Hong Kong and Taiwan.
Valeo in successful patent infringement litigation against a Chinese competitor before Shanghai Intellectual Property Court and Intellectual Property Court of Supreme People’s Court. This case was the first time a court in Shanghai rendered an interim judgment in the field of intellectual property law and the first public hearing held by Intellectual Property Court of Supreme People’s Court. The case was selected by the PRC Supreme Court as one of the Guiding Cases.
L’Oréal in a successful series of patent infringement cases against a Chinese competitor before Shanghai Intellectual Property Court, Ningbo Intermediate Court and Shanghai Intermediate Court.
Nordson Corporation in a successful series of patent infringement cases against a Chinese competitor before Shanghai Intellectual Property Court.
Watson Pharmaceuticals in a successful defense against allegation of patent infringement concerning the method patent for production of olanzapine before the Jiangsu High Court and before the PRC Supreme Court. The case was named as a guiding case by the Supreme Court.
Sucampo Pharmaceuticals to defend the validity of its patent in a patent invalidation proceeding.
Knowles Corporation in its defense in a series of patent infringement disputes before the Weifang Intermediate Court.
Kennametal in a patent infringement dispute concerning coating technologies before the Shanghai No.1 Intermediate Court, as a part of global patent litigation.
Power Integrations against a leading semiconductor manufacturer concerning invention patents over power control devices before Suzhou Intermediate Court and Jiangsu High People’s Court.
Sony Corporation in defending claims of patent infringement concerning the MP3 player technology. The case was withdrawn by the plaintiff/patentee after the China Patent Reexamination Board invalidated several claims of the asserted patent.
Nokia Corporation in a successful design patent infringement case before the Beijing No.2 Intermediate Court.
Taiwan-based Elan Microelectronics Corp. in a series of patent disputes concerning laptop PC touch-screen technologies against several competitors before the Suzhou Intermediate Court, Beijing No.1 Intermediate Court and Beijing No.2 Intermediate Court, and successfully won the patent invalidation decisions from the China Patent Reexamination Board.
Taiwan-based Wintek Technology Corp. in a series of patent disputes concerning smartphone touch-screen technologies against several competitors before the China Patent Reexamination Board and Beijing No.1 Intermediate Court.
InterDigital Technology Corporation in a series of patent administrative lawsuits to obtain favorable judgments from the Beijing No.1 Intermediate Court, Beijing Intellectual Property Court and Beijing High Court.
MacGregor (Shanghai) Trading Co. to obtain favorable judgments from the Beijing No.1 Intermediate Court, which overturned decisions by the China Patent Reexamination Board concerning patents of an uploading machine.
JABRA in winning a patent lawsuit of declaratory judgment on non-infringement.