Advanced Data Access [NPE] filed suit against Freescale, Micron, Nanya, Panasonic, Powerchip, ProMOS, and Winbond over a patent related to DDR3 SDRAM products.  Advanced Data is a subsidiary of Acacia Research Group and this is its first time filing suit.  The patent-in-suit originated with Alliance Semiconductor before being assigned to Acacia in 2007.  9/9, Eastern District of Texas, 6:2011cv00473.