( March 13, 2026, 7:58 AM EDT) -- WASHINGTON, D.C. — In a pair of opinions, a Federal Circuit U.S. Court of Appeals panel vacated a judgment of infringement against the makers of the Norton antivirus software, holding that a Virginia federal judge wrongly held that the patents at issue are not directed at an abstract idea; the panel also reversed the judge’s entry of sanctions against the software company’s counsel at Quinn Emanuel Urquhart & Sullivan LLP for failing to comply with an order compelling it to disclose allegedly privileged information it received from a former employee of the software company the firm also represented....