Matsushita files patent infringement lawsuit against CMC Magnetics

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According to DigiTimes, Matsushita (Panasonic) has filed a lawsuit in the United States District Court for the Northern District of California, charging that DVD discs made by CMC Magnetics Corporation (CMC), a Taiwanese disc manufacturer, infringe Matsushita Electric’s patents. The lawsuit also names two US affiliates of CMC, Hotan Corporation and KHypermedia Corporation.



Matsushita Electric had been negotiating in good faith with CMC to license these patents since fall of 2004. In addition, a license under Matsushita Electric’s essential DVD patents was available to the defendants through the DVD6C patent pool since fall of 2003.

The DVD6C is an industry body consisting of eight leading developers of DVD technology and formats — Hitachi, Matsushita, Mitsubishi Electric, Sanyo Electric, Sharp, Toshiba, Victor Company of Japan (JVC) and Warner Home Video. It licenses essential patents on a non-exclusive basis for DVD standard specifications owned by those eight companies.

Source: DigiTimes

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