SAN JOSE, Calif., Aug. 3 /PRNewswire-FirstCall/ -- Matsushita Electric Industrial Co., Ltd. announced today that it has filed a lawsuit in the United States District Court for the Northern District of California charging MediaTek Inc. with infringement of three Matsushita patents by certain MediaTek integrated circuit chips. The suit also names two companies whose DVD devices use the MediaTek IC chips, OPPO Digital, Inc. and Micro-Star International Co., Ltd. The filing came after negotiations between Matsushita and MediaTek failed to result in MediaTek's agreement to take a license. Being one of the largest consumer electronics companies in the world, Matsushita is committed to protecting its innovations through vigorous enforcement of its intellectual property rights. Matsushita filed this lawsuit to prevent MediaTek's further unlicensed use of Matsushita's patented technology. DATASOURCE: Matsushita Electric Industrial Co., Ltd. CONTACT: Akira Kadota, Japan, International PR, +81-3-3578-1237, Panasonic News Bureau, Japan, +81-3-3542-6205, Bill Pritchard, U.S., +1-201- 348-7182, or Brendon Gore, Europe, +44-20-8899-2217, all of Matsushita

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