In its recent decision in Clarendon National Ins. Co. v. Philadelphia Indemnity Ins. Co., 2019 WL 134614 (D. Mass. Jan. 8, 2019), the United States District Court for the District of Massachusetts had occasion to consider the application of a prior knowledge provision in the context of a claim for mold and water-related bodily injury and property damage.

Philadelphia insured a condominium property management company under a general liability insurance policy for the period September 1, 2007 through September 1, 2008. In 2009, the insured was sued by a unit owner alleging bodily injury and property damage resulting from toxic mold conditions resulting from leaks that had been identified in her unit as early as 2004. Notably, the complaint alleged that mold was identified in 2006 and that repair efforts were undertaken, but that these efforts all proved unsuccessful. Plaintiff alleged that she was forced to vacate her apartment in 2008 as a result of the conditions.