U.S. District Court, District of Massachusetts

Judge Saylor denied Maquet’s summary-judgment motion seeking to kill Abiomed’s prosecution-laches defense on the pigtail-tip claim of U.S. Patent 10,238,783, finding a genuine fact dispute over whether Maquet reasonably disclosed the pigtail feature during a 15-year prosecution delay.

A Massachusetts federal court denied Abiomed’s motion for summary judgment of no infringement under the doctrine of equivalents, finding genuine disputes over whether differential and optical pressure sensors are equivalent to the fluid-column sensor claimed in Maquet’s intravascular blo