Copyright Claim Nixed From Richtek's Microchip Fight
Judge William Alsup of the U.S. District Court for the Northern District of California on Tuesday granted defendant Maxchip Electronics Corp.'s motion to dismiss Richtek's copyright infringement claim for failure to state a claim but said Richtek had sufficient grounds to file its three patent infringement claims.
The patents-in-suit are U.S. Patent Number 7,315,190 titled "PWM...

