The respondent, a former director of a corporation, sought a declaration that his insurer owed a duty to defend him against a counterclaim brought by the corporation.
The insurer denied coverage based on an 'insured v. insured' exclusion clause in the Directors' and Officers' Liability Policy.
The application judge found a duty to defend, relying on American authorities that considered the purpose of the exclusion clause.
The Court of Appeal allowed the insurer's appeal, holding that the exclusion clause was unambiguous and clearly excluded coverage for claims brought by the corporation against its directors.
As the claim fell outside coverage, there was no duty to defend.