3M Files Patent Infringement Lawsuit Against LGS Co., Ltd.

3M announced today that along with its wholly owned subsidiary 3M
Korea Ltd., it has filed a patent infringement lawsuit in the District
Court of Seoul, Korea against LGS Co., Ltd. The suit alleges that the
manufacture and sale of optical films used to manage light in liquid
crystal displays by LGS constitutes infringement of 3M's patent
rights.

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