Reinsurance

Get expert advice on reinsurance contracts, claims, recoveries and policy wordings

Our reinsurance lawyers provide coverage advice and deal with all types of reinsurance disputes. We have extensive experience in dealing with facultative and treaty losses, including inwards and outwards reinsurance claims and retrocessions.

We have a proven track record of advising on complex reinsurance claims and we are well versed in arbitrations, mediations and court proceedings at all levels. We have been involved with large losses and catastrophes around the world, including Asia, Middle East, Europe, North America, Latin America, and South America.

Our reinsurance coverage and dispute resolution experience

Our reinsurance experience extends across all classes of business, including:

Property catastrophe
Energy/power
Contingency
Whole account liability
Casualty/motor treaty
Specialty
Political risk/political violence
Financial lines
Marine
Aviation

We act for insurers and reinsurers including Lloyd’s Syndicates, international London Market insurance and reinsurance companies. Examples of our recent work for reinsurance and complex international coverage losses include:

Acting on behalf of reinsurers in respect of several disputes arising out of COVID-19 losses across various classes of business including catastrophe excess of loss, contingency, and travel excess of loss;
Advising reinsurers in respect of their exposure under a retrocession of property damage/machinery breakdown reinsurance in respect of a USD $300+ million loss in the Middle East;
Advising reinsurers regarding their exposure under a facultative reinsurance following a substantial fire loss valued at EUR 300 million in a recycling plant in Germany;
Acting for reinsurers in a claim under a facultative reinsurance following multiple transformers failure in Malaysia in a claim presented for over MYR 100,000,000;
Acting for liability insurers in connection with a multi-million-dollar claim brought in California arising from alleged damaged and/or defective photovoltaic modules in India;
Advising London insurers in connection with a multi-jurisdictional dispute involving proceedings in Ontario, New York, and London where the insured sought to claim US $2.9 billion under legacy public liability policies insured with 22 insurers.

Market recognition

Weightmans has practitioners in all classes of insurance business in addition to London and international market expertise. They offer market knowledge and good value.
Legal 500, 2026
A standout insurance practice with real depth and technical strength. They combine specialist knowledge with a pragmatic, client-focused approach that rivals many City firms. Reliable, responsive, and trusted on complex matters — a go-to team outside London.
Legal 500, 2026
Weightmans is very good at drilling down to the core issues and providing initiative solutions to complex situations. The firm has good negotiating skills in complicated litigious matters and provides detailed advice. The lawyers at Weightmans were effectively able to strategise the case and determine the appropriate way forward in a risk-controlled manner. Weightmans is a firm we value for its ability to manage complex cross-jurisdictional disputes in the insurance and reinsurance markets .
Chambers and Partners, 2026
Weightmans provides market-leading advice and guidance. Despite its considerable resource and in-depth knowledge, the firm remains approachable and its responsiveness is market leading. Weightmans has a team of excellent lawyers who have a thorough grasp of legal and factual issues. They are commercially minded, pragmatic, intelligent negotiators and a delight to work with. Weightmans displays outstanding preparation, unparalleled knowledge and exceptional client care. It is excellent at all levels and its attention to detail is second to none. The firm is exceptional. What sets the firm's claims team apart is its down-to-earth approach and clear explanations. The team demonstrates a high level of competence and its service levels and responsiveness are excellent. Weightmans is extremely well organised and able to handle complex and sophisticated matters very strongly. The service provided to each client in each case is gold standard.
Chambers and Partners, 2026
The reason Ling Ong stands out is that she brings a huge level of intellectual understanding to industry issues.
Legal 500 2025
Ling Ong is highly experienced in insurance and reinsurance matters. She delivers her legal advice in clear, precise language which is easy to understand. She is professional, thorough in her research, organised, and ensures that she keeps to deadlines.
Legal 500 2025
Ling Ong is a reliable partner; she provides very clear advice and is a team player.
Legal 500 2025