SUNNYVALE, Calif--21 May--PRNewswire-AsiaNet/InfoQuest Alpha and Omega Semiconductor Ltd. ("AOS") filed a complaint today against Fairchild Semiconductor, in the United States District Court for the Northern District of California. Among other things, the complaint asserts that Fairchild Semiconductor infringes U.S. Patent No. 5,907,776 and No. 5,767,567 owned by AOS. AOS stated that it filed this lawsuit to protect its valuable intellectual property rights, after AOS attempted to resolve this dispute through reasonable negotiations for some time without success. AOS remains open to further negotiations, but is prepared to do what it takes to protect its technology. For information, contact Dr. Junbo Chen, Alpha and Omega SemiconductorLtd., (408) 830-9742 ext 118. About AOS Alpha and Omega Semiconductor Ltd. (AOS) is a fabless semiconductor company that develops leading edge analog power management solutions. AOS offers a wide portfolio of power MOSFET and Power IC products that incorporate advances in device design, silicon, and packaging technologies. AOS's products meet the ever increasing performance and power efficiency equirements in high volume consumer applications such as portable and desktop computers, digital cameras, cell phones, and LCD panels. AOS has locations worldwide including offices in Sunnyvale, California, Taiwan, Korea and China. For more information, pleasevisit AOS's website at: http://www.aosmd.com CONTACT: Junbo Chen 408.830.9742 x118 [email protected] SOURCE: Alpha and Omega Semiconductor Ltd. CONTACT: Junbo Chen of Alpha and Omega Semiconductor Ltd., or +1-408-830-9742, ext. 118, or [email protected] Web site: http://www.aosmd.com --Distributed by AsiaNet ( www.asianetnews.net )--