The Third Circuit Court of Appeals confirmed the standard upon which an insurer’s defense obligations are triggered under Pennsylvania law. This case confirms that courts applying Pennsylvania law will apply the four corners test to determine whether an insurer’s obligation to defend has been triggered. For a detailed summary of the case of Lupo v. Loan City visit the following url: http://blog.wcmlaw.com/2018/10/pa-no-extrinsic-evidence-for-you/