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📜 '''Express warranty''' is a specific, affirmative statement or promise made by an insured — typically included in the [[Definition:Insurance policy | policy]] wording or [[Definition:Proposal form | proposal form]] — that a particular fact is true or that a particular condition will be maintained throughout the coverage period. Unlike [[Definition:Representation | representations]], which are general statements of fact that need only be substantially accurate, express warranties in insurance impose a strict standard: historically, any breach could void the contract entirely, regardless of whether the breach was material to the loss. This doctrine has deep roots in [[Definition:Marine insurance | marine insurance]], where warranties about vessel seaworthiness, cargo stowage, or sailing routes were considered fundamental to the risk assumed by the [[Definition:Underwriter | underwriter]].

⚙️ In practice, an express warranty appears as an explicit clause in the policy — for example, a warranty that a commercial premises will maintain a functioning burglar alarm at all times, or that a vessel will not navigate beyond specified geographic limits. When the insured breaches the warranty, the traditional common-law position (particularly under English law, which heavily influences [[Definition:Lloyd's of London | Lloyd's]] and London market practice) allowed the insurer to discharge all liability from the date of breach, even if the breach had no connection to the eventual [[Definition:Claim | claim]]. However, this harsh outcome has been significantly reformed in several jurisdictions. The UK's [[Definition:Insurance Act 2015 | Insurance Act 2015]] transformed the remedy for warranty breach: insurers are now only released from liability during the period of breach, and coverage resumes once the breach is remedied — provided the breach did not cause or contribute to the loss. Other markets have moved in similar directions; Australian insurance law, for instance, limits the consequences of warranty breach to situations where the breach is relevant to the risk or the loss.

🔎 These reforms reflect a broader recognition that the traditional warranty doctrine often produced outcomes disproportionate to the breach, eroding policyholder trust and generating costly [[Definition:Coverage dispute | coverage disputes]]. For [[Definition:Underwriting | underwriters]] and [[Definition:Broker | brokers]] operating across multiple jurisdictions, understanding how warranty law differs between markets is essential — the same warranty clause can carry dramatically different consequences depending on the governing law of the contract. In [[Definition:Commercial insurance | commercial lines]], warranties remain a vital [[Definition:Risk management | risk management]] tool, allowing insurers to price and accept risks contingent on specific safety measures, operational standards, or factual conditions being met. Careful drafting is critical: poorly worded warranties can trigger unintended voidance, while overly relaxed language may leave the insurer exposed to risks it did not intend to cover.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Representation]]
* [[Definition:Policy condition]]
* [[Definition:Utmost good faith]]
* [[Definition:Insurance Act 2015]]
* [[Definition:Marine insurance]]
* [[Definition:Warranty (insurance)]]
{{Div col end}}

Definition:Express warranty - Revision history

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