( April 15, 2025, 2:22 PM EDT) -- RICHMOND, Va. — Arguing that the lower court improperly applied de novo review and wrongly concluded that the claimant showed that she is disabled from working as an engineer because of long COVID symptoms, an insurer urged the Fourth Circuit U.S. Court of Appeals to reverse a judgment that the claimant is owed past-due long-term disability (LTD) benefits....