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🛡️ '''Open-peril coverage''' — also known as all-risk coverage — is a form of [[Definition:Property insurance | property insurance]] that protects the [[Definition:Insured | insured]] against all causes of loss except those specifically listed as [[Definition:Exclusion | exclusions]] in the policy. This stands in sharp contrast to [[Definition:Named-peril coverage | named-peril coverage]], where only risks explicitly enumerated in the policy trigger a [[Definition:Claim | claim]]. By defaulting to coverage rather than exclusion, open-peril policies give [[Definition:Policyholder | policyholders]] a significantly broader safety net and shift the burden of proof: the [[Definition:Insurance carrier | insurer]] must demonstrate that an exclusion applies, rather than the insured having to prove the loss falls within a covered category.

🔍 In practice, open-peril forms appear most commonly in [[Definition:Commercial property insurance | commercial property]], high-value [[Definition:Homeowners insurance | homeowners]], and [[Definition:Inland marine insurance | inland marine]] lines. Standard exclusions typically carved out include [[Definition:War risk | war]], [[Definition:Nuclear hazard | nuclear hazard]], [[Definition:Flood insurance | flood]], [[Definition:Earthquake insurance | earthquake]], ordinary wear and tear, and intentional acts. The [[Definition:Underwriting | underwriting]] process for open-peril policies tends to be more rigorous because the carrier is accepting a wider spectrum of [[Definition:Risk | risk]]; accordingly, [[Definition:Premium | premiums]] are higher than for comparable named-peril forms. [[Definition:Claims adjuster | Adjusters]] handling open-peril claims focus first on whether the loss occurred and then on whether any exclusion negates coverage, a workflow inversion compared to named-peril adjusting.

📈 For commercial insureds with complex or high-value assets, open-peril coverage is often considered the gold standard because it guards against the unexpected — precisely the risks that are hardest to anticipate and list by name. A manufacturer facing a novel contamination event or a tech company suffering loss from an unusual equipment failure benefits from the catch-all nature of the form. From the insurer's perspective, writing open-peril business demands careful [[Definition:Exclusion | exclusion]] drafting and robust [[Definition:Loss control | loss control]] programs to prevent the policy from becoming a blank check. The ongoing evolution of emerging risks — [[Definition:Cyber risk | cyber]], [[Definition:Climate risk | climate]], [[Definition:Supply chain risk | supply chain disruption]] — keeps the boundary between covered and excluded perils in constant negotiation between [[Definition:Underwriter | underwriters]], brokers, and policyholders.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Named-peril coverage]]
* [[Definition:All-risk insurance]]
* [[Definition:Property insurance]]
* [[Definition:Exclusion]]
* [[Definition:Special form]]
* [[Definition:Inland marine insurance]]
{{Div col end}}

Definition:Open-peril coverage - Revision history

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