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Long tail risk meaning

What does Long tail risk mean?
In insurance practice, long tail risk describes liabilities where claims arise, are notified or are resolved many years after the policy period has ended, commonly under occurrence-based (losses occurring) policies. Typical examples include asbestos-related disease (such as mesothelioma), other latent industrial diseases, environmental pollution and certain product liability losses. The expression is a market and legal shorthand, not a defined statutory term; however, case law addresses associated issues such as the policy trigger, causation, aggregation and allocation across policy years. Usage is broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland. Limitation and prescription rules differ between these jurisdictions but commonly include “date of knowledge” or latent damage concepts, which can extend the time before claims are brought. Key legal features and practical significance include: - policy wording on occurrence/claims-made triggers, retroactive dates, notification, aggregation and exclusions for known circumstances; - allocation of loss across multiple years and insurers, contribution, and reinsurance response (including IBNR); - claims handling over prolonged periods, run-off arrangements, reserving and legacy transfers. Long tail exposures materially affect pricing, capital and reserving, and are a frequent source of coverage disputes in insurance and reinsurance litigation and arbitration.
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View the related Practice Notes about Long tail risk

PRACTICE NOTES
UK Insurance and Reinsurance Glossary for Lawyers: Legal, Regulatory, Market, Underwriting and Claims Terms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z This glossary provides helpful (re)insurance and underwriting definitions. For focused guidance on reinsurance terminology, see Practice Note: Reinsurance—essentials. A Accident An unforeseen or unintended event or incident that typically results in damage or injury (physical or financial) to the insured or a third party. Accidental damage Unintended or unexpected harm or damage caused to property or a person. Accidental death benefit Some life insurance policies pay an extra amount, over and above the original sum insured, if the insured dies because of an accident. Act of God (force majeure) An occurrence beyond anyone’s control, such as a natural disaster. Active underwriter The person with primary responsibility and authority to accept insurance and reinsurance risks on behalf of the members of a syndicate in the Lloyd’s market. See also Underwriter. Actuary A qualified professional who...

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PRACTICE NOTES
Outsourcing in UK insurance: PRA/FCA and Solvency II requirements, material/critical functions, contracting, supervision, operational resilience, Consumer Duty, cloud and Lloyd’s

This Practice Note explores outsourcing within the insurance market. The related documents pod to the right links to a suite of Practice Notes that deliver broad, practical guidance on commercial outsourcing in general. Outsourcing in insurance Outsourcing has grown markedly across insurance in recent years. Where once insurers largely relied on binding authority arrangements limited to underwriting risk and handling claims, the rise of technology has driven expanded use of third‑party providers. A wide range of activities can now be externalised, including: form processing claims call handling auditing data collection the hiving off of entire books of business (for instance, life portfolios, whose long‑tail profile may require record retention and claims handling for decades after acquisition) Whilst outsourcing can and does deliver advantages for insurers and reinsurers, it also engages numerous legal and regulatory duties when functions are placed with third parties. These start with pre‑contract assessment and continue through to ensuring a smooth disengagement and transfer...

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