Leica Defeats University of Michigan’s Microscope Patent Suit

Leica Microsystems Inc. defeated University of Michigan’s lawsuit accusing certain microscopes of infringing a patent covering a fluorescence detection system.

The microscopes of the Danaher Corp. unit don’t infringe the university’s US Patent No. 7,277,169 because they’re configured with a filter in a way that doesn’t allow them to emit a spectrum of white light in the manner required by the invention, according to an order issued Thursday in the US District Court for the Northern District of California. Judge William H. Orrick granted Leica summary judgment, holding no reasonable jury could find Leica’s products infringe the ‘169 patent due ...