Panel patent war escalates as BOE and other Chinese giants file invalidation declaration against Samsung Display

The panel patent war between Chinese and South Korean display makers has escalated again, with four Chinese panel companies - BOE, TCL Huaxing, Visionox, and Tianma Micro - filing a patent invalidation trial against Samsung Display in the United States.

The move is seen as a response to Samsung Display's request to the US International Trade Commission (ITC) to stop importing Chinese-made OLED panels on the grounds of patent infringement.

The four Chinese companies filed the patent invalidation trial (IPR) to the US patent adjudicator (PTAB) on June 9. As of press time, the patent adjudicator has still not decided whether to initiate an invalidation trial.

The report pointed out that for at least one of the multiple claims of the patent for which the invalidation trial is filed, if it is determined that there is a "reasonable possibility that the invalidation claim will be accepted", the invalidation trial procedure will be initiated.

The move by the Chinese companies is a significant escalation in the panel patent war, and could have far-reaching implications for the global display industry.

It remains to be seen whether the patent invalidation trial will be successful, but the move is a clear signal that the Chinese companies are not going to back down in the face of Samsung Display's aggressive patent enforcement efforts.

The patent war between Chinese and South Korean display makers is a long-running one, and shows no signs of abating anytime soon. The stakes are high, as the global display market is worth billions of dollars.

The outcome of the patent invalidation trial could have a major impact on the competitive landscape in the global display market, and could also set a precedent for future patent disputes.

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