Concordia Ins. Co. Of Milwaukee V

Background

A group of insurance companies issued fire policies covering a school building and its furniture. After a fire destroyed the property, the school district notified the insurers promptly. The policies required written notice and sworn proofs of loss within sixty days and stated that waivers had to be in writing. Insurer adjusters investigated, examined the site, collected information, and met with the school trustees on the 56th day, offering specific sums and discussing replacement costs. The school sued; a jury found for the school and the district court added interest. The insurers appealed, raising two main issues about proof requirements and interest under Oklahoma law.

Reasoning

The Court examined whether insurers could insist on the sixty-day proof rule despite their post-loss conduct and whether interest should run from when payment became due. The Court concluded that where insurers appoint adjusters, investigate, discuss values, and offer payment, those actions can waive the strict proof requirement or create an estoppel against enforcing it, even if the policy says waivers must be written. The Court also reviewed conflicting Oklahoma decisions about interest and held that, because state law was unclear, the federal court could interpret the statute and properly exercise discretion to award interest when the loss amount was reasonably ascertainable. The judgment for the insured was affirmed.

Real world impact

The decision makes it harder for insurers to rely on unwritten proof-of-loss defenses after active investigation and settlement talks. Insurers should use explicit written waivers to preserve defenses. Courts may award interest from the date payment was due when loss amounts can be calculated, even amid unclear state precedent.