Hologic Gets Minerva Patent Axed Just Before Del. Trial

By Dani Kass (July 26, 2021, 7:46 PM EDT) -- A Delaware federal court has invalidated a Minerva patent covering a surgical device that treats abnormal menstrual bleeding just two weeks before an infringement trial against Hologic, concluding that the invention was shown to the public more than a year before it was patented.

On Friday, U.S. District Judge Joseph F. Bataillon, visiting from Nebraska, said Minerva Surgical Inc.'s patent is invalid under the on-sale bar, meaning Hologic Inc. and its Cytyc Surgical Products LLC unit will not have to face a jury on Aug. 9 as scheduled. More specifically, the judge faulted a prototype that Minerva used at a trade...

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