Client: TP Link

In view of strong non-infringement arguments, 2 of 3 cases have been withdrawn by Dunjun since they can not see the hope of winning the case. 1 case is still pending. TPLink praises Liushen team to be technically knowledgeable high above average level lawyers on the technical solutions to find out the most powerful arguments and avoid the futile actions. This case shows the capabilities of Liushen team to represent giant Chinese company to efficiently fight in the high profile patent infringement cases.

Client: ChipOne

Beijing ChipOne Technology Co., Ltd. is an internationally leading display chip design enterprise. In recent years, ChipOne is challenged with rounds of patent infringement litigations and IC layout infringement litigations. The patent infringement case is claimed with damages up to 99.4 million RMB, involving LED display screens and display drivers, and the IC layout infringement case is claimed with damages of 50 million RMB. Both cases involve complex and highly professional technical solutions such as display screen structures, chip circuits, and control methods. Based on profound legal professionalism and solid technical capabilities, Liu Shen team, with team leader Mr. YU Xiaoning, has developed a comprehensive and detailed litigation strategy for the series cases, demonstrating strong technical advantages throughout the entire process. In the process of responding to infringement cases, Liu Shen team succinctly and clearly presented to the court the differences between the sued display screen products and chip products and the involved patents. On the other hand, at the patent invalidation side, Liu Shen team successfully explained the complex technical solutions, clarified its relationship with existing technology to challenge the patentability, resulting in all the patents to be completely invalidated.

Client: P&G

The entire process of the case went through twists and turns and last over 8 years: the first patent invalidation request won by the Liu Shen team was reversed in subsequent administrative litigation. Under the trust of the client, team members fought under pressure, worked closely together, and based on a comprehensive analysis of the case materials, adjusted their strategies with a deep understanding of the case circumstances. LS Team once again made invalid requests and responded excellently in the invalid procedures. In the end, the Patent Office adopted the defense opinions of the Liu Shen team, and the Liu Shen team successfully helped the client win another victory at the patent invalidation stage.

Client: Telma Company

This case involves a typical patent infringement issue in the context of “domestic substitution,” i.e. the plaintiff holds a patent, and the defendant states in its web that its product can replace the plaintiff’s product, leading to the question of whether this can be presumed to establish infringement, and further whether it constitutes intentional infringement. The case is highly typical for patent infringement cases arising from “domestic substitution.” Mr. Xiang ZHANG assisted the client to win all five infringement cases. The judgments in all of these cases have now taken effect in 2024.

Client: WAGO

WAGO Management Co., Ltd. in Germany is a world-renowned manufacturer of wiring terminals, whose products have excellent performance and are widely used in industries such as electricity, manufacturing, lighting, railways, ships, and automobiles. Due to the high market popularity of WAGO products, many counterfeiters have launched products that replace WAGO, infringing on WAGO’s patent rights. Liu Shen team has represented WAGO Company in patent enforcement actions in China for many years, obtaining many successful cases against infringers of various scales, effectively curbing the number and scale of WAGO patent infringement, and successfully safeguarding the interests of clients. One patent infringement case lasted for over 4 years. The first and second instance courts have supported the majority of the claims of the patentee and made guidance in the interpretation of the claims, the infringement liability and the deciding of damages, providing favorable guidance for the foreign patentee to enforce patent in China.

Client: Qualcomm

This case demonstrates the team ability to handle complex patent administrative lawsuits, with relatively scattered technical fields and high degree of technical difficulty. With our deep and solid experiences in patent administrative lawsuits, we successfully make the judge to understand the complicated technology to achieve best result for the client. The hard work of LS team in the patent administrative lawsuit strengthen Qualcomm’s standing in the patent battle with Apple smoothly, maximizing the business interests of the client to the greatest extent.