ITC To Probe Richtek IP Claims Against UPI, Sapphire

Law360, New York (September 8, 2011, 1:15 PM EDT) -- The U.S. International Trade Commission said Tuesday that it had launched an investigation into Richtek Technology Corp.'s claims that uPI Semiconductor Corp. and Sapphire Technology Ltd. are importing and selling chips that violate its patents and trade secrets.

Richtek contends that despite signing consent orders in an earlier ITC case, agreeing not to import or sell for import to the U.S. products that infringe Richtek's patents or contain its trade secrets, the two companies are still selling direct-current-to-direct-current controllers — also known as DC-DC controllers that...
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