By Keith Goldberg

Law360, New York (August 23, 2011, 1:44 PM ET) -- Intel Corp. and two other semiconductor manufacturers were accused in Delaware federal court Monday of producing low-power microprocessors that infringe a patented power management system.

Patent-holding company Power Management Systems LLC claims that Intel, Freescale Semiconductor Inc. and Marvell Semiconductor Ltd. have infringed U.S. Patent Number 5,504,909 — titled "Power management apparatus collocated on the same integrated circuit as the functional unit that it manages" — by producing chips that include a power management system that regulates the use of electrical energy in the internal portion...