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Optoelectronics/Displays??

Pixelplus claims split patent decision against MagnaChip

Posted: 05 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Pixelplus? MagnaChip? color filter? patent ruling? Dylan McGrath?

South Korean fabless chip vendor Pixelplus Co. Ltd said it obtained a favorable ruling from the Korea Intellectual Property Office (KIPO), granting its request to "effectively cancel and invalidate" a disputed contact hole process patent claimed by rival MagnaChip Semiconductor Ltd.

According to Pixelplus, the KIPO denied to invalidate a disputed color filter patent held by MagnaChip. The chip vendor said it plans to file an appeal with the patent court on this issue.

The company said it received "completely favorable and commendatory rulings" from the KIPO on three of the four patents it asked the KIPO to invalidate. In September 2006, Pixelplus said the KIPO granted its request to effectively cancel and invalidate disputed photo diode and sensor patents claimed by MagnaChip.

The two companies are also involved in a separate litigation before the Seoul District Court.

- Dylan McGrath
EE Times




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