On September 30, Power-One filed a lawsuit against Artesyn Technologies for infringement of U.S. Patent Nos. 6,936,999 (the '999 patent, issued Aug. 30, 2005) and 6,949,916 (the '916 patent, issued Sept. 27, 2005) held by Power-One. The suit was filed in the U.S. District Court for the Eastern District of Texas, Marshall Division.
In its complaint, Power-One alleges that Artesyn is infringing the '999 and '916 patents by making, using, selling or offering to sell its recently announced DPL20C POL converter. As announced by Artesyn on Sept. 13, 2005, the product was introduced as the first in a family of dc-dc converters which, among other features, is compliant with and which operates under the PMBus protocol. The lawsuit seeks compensatory damages and a permanent injunction to prohibit Artesyn from making, using, selling or offering to sell infringing products, including the DPL20C POL converter.
The '916 and '999 patents concern aspects of digital power management and control. Power-One has incorporated its technology into its Z-One system architecture, which allows for the central control of distributed point-of-load power regulators from a single digital power manager.