Analog’s Volterra Beats Monolithic’s Bid to Nix Converter Patent

Monolithic Power Systems Inc. lost a bid to cancel a Volterra Semiconductor LLC patent it says Monolithic infringes with its DC-to-DC power converters.

A Delaware federal judge on Thursday denied the summary judgment motion and another request and set a jury trial for January, one day after partially granting Monolithic’s bid to exclude the testimony of a damages expert.

Judge Colm F. Connolly, ruling from the bench in the US District Court for the District of Delaware based on oral arguments held Aug. 2, rejected Monolithic’s contention that the patent shouldn’t have been issued because its asserted claims and ...