Sony Sued in Blu-ray Patent Dispute

May 25th, 2007, 23:15 Posted By: Triv1um

Via All Headline News

Irvine, CA (AHN) - Target Technology has filed a lawsuit against Sony, alleging the entertainment company's Blu-ray disc format infringed a patent lowering the cost of optical discs. The lawsuit, filed in Southern Indiana U.S. District Court, requests a permanent injunction and damages.

Blu-ray discs are used by Sony's PS3 and high-definition DVDs. The Target patent enables the reflective layer of optical discs to use silver-based alloys rather than more expensive gold. The silver-based material is also more corrosive-resistant, according to Cnet's GameSpot.

The lawsuit doesn't say whether all or just some Blu-ray discs infringed the patent. Target was granted the patent in March 2006 after it was filed in 2004.

Sony declined comment, Cnet reported Friday.

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