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Infineon Filed Patent Infringement Lawsuit Against Fairchild Semiconductor


Neubiberg, Germany – Infineon Technologies AG (FSE/NYSE: IFX) today announced it filed a patent infringement lawsuit against Fairchild Semiconductor on Tuesday, November 25, 2008. The accused Fairchild products include the SuperFET and SupreMOS products along with other power transistor products that include PowerTrench, UltraFET, UniFET, DrMOS, and IGBTs.

Three days later, Fairchild answered Infineon’s lawsuit in Delaware.

“Infineon and Fairchild had been in patent licensing discussions on licensing Infineon’s patents before Infineon initiated the law suit. After a long time of negotiations, it was clear a reasonable agreement could not be reached through normal business discussions,” said Andreas Urschitz, Vice President and General Manager, Industrial & Multimarket division at Infineon Technologies. “Infineon highly values its Intellectual Property (IP) and will vigorously protect its IP rights and business interests. To do so, Infineon will take action when others are clearly infringing on its IP.”

Infineon filed the lawsuit against Fairchild in the US District Court in Delaware.

Infineon is represented in the lawsuit by the law firm Fish & Richardson P.C.

Infineon Technologies AG, Neubiberg, Germany, offers semiconductor and system solutions addressing three central challenges to modern society: energy efficiency, communications, and security. In the 2007 fiscal year (ending September), the company reported sales of Euro 7.7 billion (including Qimonda sales of Euro 3.6 billion) with approximately 43,000 employees worldwide (including approximately 13,500 Qimonda employees). With a global presence, Infineon operates through its subsidiaries in the U.S. from Milpitas, CA, in the Asia-Pacific region from Singapore, and in Japan from Tokyo. Infineon is listed on the Frankfurt Stock Exchange and on the New York Stock Exchange (ticker symbol: IFX).Further information is available at


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