The 7th U.S. Circuit Court of Appeals recently held that an insurer was not estopped from denying coverage even though it had participated in the defense of an insured without a reservation, where it did so through counsel appointed by the insured.The insuer in Essex Insurance Co. v. Blue Moon Lofts Condominium Association, 2019 U.S. App. Lexis 19174 (7th Cir., April 16. 2019), was represented by Cozen O’Connor. Law …