(August 27, 2024, 10:48 AM EDT) -- WASHINGTON, D.C. — A federal district court erred in analyzing whether several telecommunications companies that prevailed against patent infringement claims were entitled to attorney fees because it erroneously gave weight to several “red flags” that supposedly made the case exceptional, a Federal Circuit U.S. Court of Appeals panel held in vacating the trial court’s order granting the companies’ motion for attorney fees....