American Home Assurance Co. v. Libbey-Owens-Ford Co., American Home Assurance Co. v. Libbey-Owens-Ford Co.

COFFIN, Circuit Judge.

This case turns on the interpretation of the provisions of a comprehensive general liability policy. The Libbey-Owens-Ford Company (LOF) appeals from a summary judgment of the district court finding that the American Home Assurance Company, issuer of LOF’s excess liability insurance, is not liable for any of LOF’s liability damages. For the reasons set forth below, we reverse and remand for trial.

I. BACKGROUND FACTS

In 1967, the John Hancock Insurance Company contracted with I.M. Pei Associates for the design and construction of an office building in Boston,…