The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

Weightmans LLP

Work 020 7822 1900
Fax 020 7822 1901

Ling Ong

Work 020 7822 1985
Weightmans LLP

Work Department

London market.


Partner in the London market team based in London; she specialises in insurance and reinsurance litigation with particular focus on coverage disputes and advice. Work involves policy interpretation and advice on coverage issues, and she has substantial experience in litigation, arbitration and mediation. Also deals with the review and the drafting/revision of insurance and reinsurance policies and documentation. Over 20 years’ experience of working with the London and international markets in a wide range of insurance and facultative treaty reinsurance matters. She has been involved in a number of major claims both in the UK and worldwide.


Partner DLA Piper; partner Weightmans 2008 to date.


English, Hokkien, Bahasa Malaysia.


Chartered Institute of Insurance; Lloyd’s Market Association; British Insurance Law Association; London Business Interruption Association; Oil Petrochemical Energy Risks Association; Association of Insurance & Reinsurance Service Providers; City of London Law Society; Federation of Defense and Corporate Counsel.


St Margarets School; Sevenoaks School; Cambridge University.

London: Insurance

Insurance and reinsurance litigation

Within: Insurance and reinsurance litigation

Really well-established with leading insurers and insured clients’, Weightmans LLP is ‘strongly recommended’. Experienced in reinsurance, property, construction, liability, and professional negligence coverage disputes, as well as handling increasing numbers of instructions in financial lines, D&O, cyber, and political risk matters, the team offers its expertise to both London market  and international clients. For construction coverage disputes, the firm is led by the ‘bright, commercial, serious and tough’ Ed Lewis, and Robert Crossingham provides ‘technical excellence’, particularly in the field of professional liability. The addition of partner Simon Durkin from DWF in October 2017 also gave the team a boost in policy coverage and related disputes. A recent highlight for the team is representing reinsurers Sirius International Insurance Corporation and Allianz Insurance in respiratory claims disputes arising out of the 9/11 attacks in New York. Coverage disputes specialist Ling Ong is leading in this matter.

[back to top]

Back to index

Legal Developments in London

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
  • The legal difference between a consultant and an employee according to Nicaraguan Law

    Knowing the legal difference between a consultant and an employee is important for a company that needs to hire someone in Nicaragua or for a person interested in rendering services for a company or another person, due to the fact that the nature of the contractual relationship will determine many factors that both parties must be aware of before executing the contracting modality that will govern the relationship between them - the nature of the contractual relationship impacts on the employment benefits, tax implications and liabilities that the parties must comply with according to the law.  labor_law_in_nicaragua
  • Single director - shareholder Companies according to the Nicaraguan legal system

    What is a Single Shareholder and Director legal entity?
  • Business in Nicaragua- The Most Important Changes in the Recent Tax Reform

    In recent years, the country ́s the government has been committed to improving Taxation in Nicaragua and attempting to follow the legislative model used by some of the other countries in the region. Starting January 1st, 2013, a new tax law (Law No. 822, Tax Concertation Law) came into force in and completely changed the taxation system in Nicaragua. Two years later a new law was issued by the National Assembly containing more than 80 amendments, additions and repeals (Law No 891) which came into force December 18th, 2014.