Jaidan writes "According to a Gamespot article, a California-based company named Target Technology is suing Sony over patents it allegedly holds for silver based reflective surfaces. The suit claims that products marketed under the Blu-ray name infringe on a patent it owns for reflective layer materials in optical discs. Target is seeking a permanent injunction preventing Sony from violating its patent rights in the future, as well as damages with interest, multiplied due to what it characterizes as deliberate and willful infringement. ' The patent addresses what Target called a need for specific types of silver-based alloys with the advantages (but not the price) of gold. According to the patent, the alloys are also more resistant to corrosion than pure silver. Target does not specify in its suit whether it believes all of Sony's Blu-ray discs infringe on its patent, or the suit applies to just a portion of the discs manufactured. The patent was filed in April of 2004 and granted in March of 2006.'"
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