Sony, Others Score Win In DVD V-Chip Patent Feud

Law360, New York (September 2, 2009, 6:45 PM EDT) -- A federal judge has ruled that Sony Electronics Inc., Panasonic Corp. and other manufacturers’ DVD players do not infringe a widely asserted patent for v-chip censorship technology, finding that the accused devices' parental control systems are not covered by the patent.

On Monday, Judge Irma E. Gonzalez of the U.S. District Court for the Southern District of California dealt a blow to Guardian Media Technologies Ltd., granting the consumer electronics companies summary judgment of noninfringement roughly four years after the companies filed suit for declaratory judgment....
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