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Thomson Revives V-Chip Patent Suit

Law360 (August 16, 2007, 12:00 AM EDT) -- Electronics maker Thomson Inc. has renewed its fight against claims that it infringes patents purportedly covering “V-chip” adult content censoring technology after a federal appeals court ruling opened the way for a lawsuit.

Thomson, a subsidiary of French company Thomson SA, filed a new lawsuit on Tuesday for declaratory judgment of invalidity, non-infringement and unenforceability of two patents owned by Guardian Media Technologies Ltd., which claims that several television and electronics manufacturers are violating the patents.

Thomson and television makers Sony Electronics Inc., Mitsubishi Digital Electronics...
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