Purdue U, Chipmaker Wolfspeed Settle Semiconductor Patent Suit

Wolfspeed Inc. and Purdue University ended hostilities in the school’s three-year-plus patent dispute against the chipmaker over semiconductor technology.

The two sides agreed to have the case dismissed, according to a notice filed Thursday in the US District Court for the Middle District of Northern Carolina, where Wolfspeed is based. About a month earlier, the parties notified the court the case was “Settled telephonically,” according to a docket entry.

The dispute over silicon carbide metal oxide semiconductor field effect transistors, or MOSFETs, had some sharp twists and turns on the way to settlement, including Purdue’s ultimately unsuccessful bid to question ...