Warner Bros. Sues Digiview Over DVD Patents

By Jocelyn Allison (October 6, 2008, 12:00 AM EDT) -- Warner Brothers Home Entertainment Inc. is suing discount DVD distributor Digiview Productions LLC over technology that allows publishers to include more than one language version of a movie on a single disc.

In a complaint filed Wednesday in the U.S. District Court for the Central District of California, Warner Brothers accuses Digiview of infringing U.S. Patent Numbers 6,526,221 and 6,148,139 by selling DVDs that incorporate the claims of the patents.

The patents describe an invention that lets a DVD hold multiple language versions of a film's dialogue on separate audio tracks without having to record a full audio track for each...

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