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The U.S. International Trade Commission began an investigation into allegations...

The U.S. International Trade Commission began an investigation into allegations that Amazon, Nintendo, Samsung and other companies are importing consumer electronics devices that violate a U.S. patent for a microprocessor component commonly found in CE devices, in violation of the…

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Tariff Act of 1930. The ITC ordered the investigation Monday, the commission said in a filing Thursday (http://xrl.us/bnmw8a). Technology Properties Ltd., Phoenix Digital Solutions and Patriot Scientific Corp. filed a joint complaint against the companies July 24, alleging they violated U.S. Patent 5,809,336 -- a “High performance microprocessor having variable speed system clock,” which involves the use of two independent clocks within a microprocessor to increase its speed and efficiency. The ITC noted in its initial filing on the complaint that the asynchronous clock model has become widely adopted within the CE industry, so virtually any such device could infringe on that patent (http://xrl.us/bnieiw). The complainants have also sued in U.S. District Court in Northern California for patent infringement in relation to the complaint. Amazon, Nintendo and Samsung had no immediate comment.