( June 5, 2026, 2:45 PM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel on June 4 found that a Texas federal judge improperly combined four patents related to a heating and ventilation system into a single infringement question on the verdict form and wrongly gave the jury incomplete instructions on patent eligibility; the panel vacated the jury’s infringement findings and damages award of more than $11.5 million and ordered a new trial on both issues....