Commonwealth Research Group [NPE] filed suit against Altera, Conexant, Cyress, Energy Micro, Epson, Lattice, Maxim, Microchip, Mindspeed, Silicon Labs, Triad, ZiiLABS, and ZiLOG over a patent related to an energy savings circuit for semiconductors.  CRG filed suit over the same patent in March 2010 against a number of other semiconductor providers including Samsung, Sanyo, and Fujitsu. The patent-in-suit was assigned to Commonwealth by an individual inventor in 2008. 7/26, District of Delaware, 1:2011cv00655.