Hengdu represented China Petroleum & Chemical Corporation and its affiliates in response to a number of civil cases initiated by INEOS (U.S.A.) on patent ownership, patent infringement, trade secret, etc., and won the lawsuits through thorough plea and argumentation, secret analysis, preparing non-infringement defenses and existing technical defense materials, participation in the formulation of negotiation strategies. In the end, the client and INEOS achieved reconciliation. The case was settled by the plaintiff’s withdrawal of the lawsuit. Hengdu helped Sinopec avoid huge compensation of up to RMB 1.2 billion
Hengdu represented the world-renowned communication equipment brand Huawei Company sued Samsung and other five defendants over infringement of invention patent. During the first and the second instance, Hengdu thoroughly analyzed the case and evidence, actively organized case expert argumentation meetings, conducted detailed technical characteristics comparison, and actively completed the proof of benefits gained by the other party, which prompted the court to request the other party to conduct further disclosure of evidence. Later, the other party was subject to the unfavorable consequences of its failure to produce evidence Hengdu helped the client obtain the first-instance and second-instance winning streak , and receive up to RMB 80 million in economic compensation.
In the face of the infringement proceeding instituted by Samsung against Huawei for the same amount of compensation of RMB 80 million at the Quanzhou Intermediate People’s Court, Hengdu acted as the agent of Huawei to actively launch coping strategies. While raising the jurisdiction objection of the infringement lawsuit, Hengdu quickly initiated a request for invalidation of the disputed patent. Meanwhile, Hengdu fully expounded reasons concerning "the novelty, inventiveness and practical applicability of the patent" and other reasons by presenting multiple sets of strong evidence，invalidating all 10 claims to the disputed patents. The opponent’s foundation of rights was completely eliminated.
Hengdu represented Luoyang Zhida Petrochemical Engineering Co., Ltd. in respond to the action prosecuted by CDTECH and Lummus Technology Inc. for invention patent infringement and trade secret infringement, and invalidated the patent involved in the infringement lawsuit with the subject matter amounting to RMB 100 million for the client. Due to Hengdu’s adequate preparation for the oral hearing, complete and clear technical details, and the abundant evidence of common sense, the collegial panel made the final decision in less than one month that all the patents of the other party were invalid, and the client’s entrustment was completed efficiently.
The former employee Mr. Wang filed a suit against Wuhan Marine Machinery Plant Co., Ltd. for patent infringement with a compensation amounting to RMB 100 million. As the agent of Wuhan Marine Machinery Plant Co., Ltd., Hengdu adopted a parallel process to settle the patent infringement litigation, and to actively request for invalidation of patents involved in the case. Hengdu team quickly analyzed the patents involved, retrieved evidence, and quickly promoted the invalidation process. The patents involved in the case were all invalidated, and the other party had to withdraw the lawsuit. Hengdu successfully solved the problem on behalf the client and avoided the economic losses.