(June 5, 2020, 2:12 PM EDT) -- NEW ORLEANS — A Fifth Circuit U.S. Court of Appeals panel on June 4 denied an insurer’s petition to rehear a professional liability coverage dispute, standing by a previous reversal of a lower federal court’s ruling in favor of the insurer in its lawsuit challenging coverage for an underlying malpractice claim brought against its attorney insured (Landmark American Insurance Company v. Lonergan Law Firm, P.L.L.C., et al., No. 19-10385, 5th Cir.)....