September 12, 2011
A California magistrate judge on Monday denied Infineon Technologies AG a new trial on allegations that it infringed Volterra Semiconductor Corp.'s patents for a voltage regulator, ruling that the patent claims were valid and not obvious.
May 25, 2011
A California federal jury decided Tuesday that Infineon Technologies AG infringed Volterra Semiconductor Corp.'s patents for a voltage regulator after a judge threw out invalidity claims over another patent. (A previous version of this article incorrectly stated that a judge dismissed infringement claims.)