
As the extended reporting period gets longer, the claims-made policy starts to blur into an occurrence policy and the labeling of a policy as one or the other—and having rules of law depend on that labeling—becomes somewhat arbitrary.
Snapshot 1: a claim under an occurrence policy
Snapshot 2: the insured is likely to have a problem here because the brief extended reporting period expired before the claim was made
Snapshot 3: the insured is likely to have a problem here because the occurrence took place before the retroactive date of the policy