PLL Technologies, Inc. has filed suit against Taiwanese semiconductor manufacturer Nanya Technology (1:16-cv-00069), asserting a single patent (6,356,122) generally related to phase-locked loop (PLL) based clock synthesizers. The complaint accuses Nanya of infringement through the manufacture and sale of certain FPGA devices. The ‘122 patent issued to Cypress Semiconductor in March 2002; PLL’s parent, Wi-LAN Inc. (WiLAN), acquired several patents from Cypress in June 2013, assigning the ‘122 patent, along with three other former Cypress patents, to PLL shortly after its creation in Delaware in early 2014.