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Linear Technology Settles Patent Enforcement Action Against AnalogicTech

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^{Published in Science and Technology on Tuesday, April 12th 2011 at 6:10 GMT by Market Wire}  

MILPITAS, Calif.--([ BUSINESS WIRE ])--Linear Technology Corporation (NASDAQ:LLTC) announced that it has resolved its continued patent litigation with Advanced Analogic Technologies, Inc. (aAATIa). On March 18, 2010, the Administrative Law Judge (aALJa) at the United States International Trade Commission (aITCa) issued an Enforcement Initial Determination finding that AATI, by its importation of voltage regulator products that infringed Lineara™s U.S. Patent No. 6,580,258 (a258 patent), had violated a previous exclusion order issued against AATI by the ITC in an enforcement action brought by Linear.

The ITC and the U.S. Court of Appeals for the Federal Circuit had previously found that AATI violated Section 337 of the Tariff Act by importing voltage regulator chips that infringe the a258 patent. After the ITC declined to review the ALJa™s Enforcement Initial Determination, AATI appealed certain aspects of the Commissiona™s Determination to the Federal Circuit. As part of the settlement, AATI has now dismissed the Federal Circuit appeal and agreed that it would not make, use, sell, offer for sale or import any semiconductor wafer or products of whatever nature into the United States that practice any claims of the sleep mode patents until the expiration of those patents. A federal case in the Northern District of California which had been stayed while the parties battled in the ITC was also voluntarily dismissed by the parties as part of the settlement.

The a258 Patent protects Lineara™s asleep modea invention, comprising circuitry that significantly extends battery life in a range of portable electronic devices by allowing the voltage regulator to asleepa when little current is needed.

About Linear Technology

Linear Technology Corporation, a member of the S&P 500, has been designing, manufacturing and marketing a broad line of high performance analog integrated circuits for major companies worldwide for three decades. The Companya™s products provide an essential bridge between our analog world and the digital electronics in communications, networking, industrial, automotive, computer, medical, instrumentation, consumer, and military and aerospace systems. Linear Technology produces power management, data conversion, signal conditioning, RF and interface ICs, and Module^® subsystems.