Call 2019
Adam Collins
Team Leader
+44 (0)20 7842 3798
Click here to email
Alfie Sweeney
Team Leader's Assistant
+44 (0)20 3873 6855
Click here to email
Nathalie has a broad practice extending across the full range of commercial litigation, arbitration, and advisory work. She has experience in complex, high-value disputes and has been instructed on matters at all levels, including the Court of Appeal and Supreme Court.
Nathalie graduated from the University of Oxford, where she was awarded the Slaughter and May Prize, the Rajah & Tann LLP Prize, the Mander Law Prize, and the Michael Junior Scholarship. She later read for the BCL at Oxford, where she received the Princess Royal and Fountain Court Scholarships, as well as the Ralph Chiles Prize.
Before coming to the bar, Nathalie was a teaching fellow at the University of Oxford. Having grown up in Singapore, she is a native speaker of Mandarin Chinese and has a good understanding of the Asian markets.
AerCap Ireland Ltd v AIG Europe SA [2025] EWHC 1430 (Comm) (Russian Aircraft Lessor Policy Claims)
Acted for a defendant insurer in the multi-billion-dollar claim which was heard over 11.5 weeks before Butcher J (with Ben Lynch KC and Daniel Schwennicke). The market-wide insurance litigation concerned the non-return of Western-owned aircraft by Russian airlines in the aftermath of Russia’s invasion of Ukraine. One of The Lawyer’s Top 20 cases of 2024.
Vegesentials Ltd v Shanghai Commercial and Savings Bank Ltd [2024] EWHC 7 (Ch) Jan 2024
Acted for defendant bank in vicarious liability claim for alleged fraudulent misrepresentation. Succeeded in getting damages reduced by 80% on loss of a chance (with Laura John KC).
King v Stiefel [2023] EWHC 453 (Comm)
Acted for a defendant barrister in a wasted costs application (with John Taylor KC). The applications were dismissed in their entirety.
Royal & Sun Alliance Insurance Limited & Ors v Tughans [2023] EWCA Civ 999
Acted for the insured solicitors in the Court of Appeal on a significant case which concerned professional indemnity insurance and whether a liability in respect of fees earned by the insured was a loss covered by the policy (with Richard Coleman KC).
The Financial Conduct Authority v Arch Insurance (UK) Limited & Ors [2021] UKSC 1
Instructed as Counsel before the Supreme Court, in the landmark test case considering whether policies respond to COVID-19-related losses (with Ben Lynch KC and Simon Paul). Also instructed in the High Court proceedings ([2020] EWHC 2448 (Comm)).
Advising an Ombudsman on potential claims relating to delay and maladministration (assisting James McClelland as a pupil).
Advising the Environment Agency in its dispute with landowners relating to the construction and maintenance of sea defence works, as well as its duty to consult various stakeholders (assisting James McClelland as a pupil).
Advising an airline on its appeal of the CAA’s decision to revoke of its operating license, in light of COVID-related amendments to the Operation of Air Services in the Community Regulations 2009 (assisting Rosalind Phelps KC as a pupil).
Regularly acting as sole counsel in the County Court on behalf of airlines defending claims brought against them under EU Regulation 261/2004.
Advising on the powers of the Financial Services Compensation Scheme to pay compensation into an account held directly by a deposit aggregator (assisting James Cutress KC as a pupil).
Advising a large asset management company on possible options under English law to recover losses arising out of its investments in a bond programme (assisting John Taylor KC as a pupil).
Advising a bank in its defence against a claim for breach of mandate and duty of care (assisting Christopher Langley as a pupil).
Advising a bank in its defence against a claim for breach of a collateral contract (assisting Marianne Butler as a pupil).
Public Institution for Social Security of Kuwait v Man Group PLC & 37 other defendants
Advising on a large-scale fraud case that will be one of the largest disputes ever heard in the Commercial Court, concerning alleged bribery and corruption by the former director general of the Kuwaiti state social security and pension scheme (assisting James McClelland KC as a pupil).
Breach of trust claim in the BVI
Assisted, as a pupil, in the preparation of a Defence to a factually complex claim involving an alleged breach of a declaration of trust and the transfer of shares. Subsequently instructed as Counsel.
Advising on the Republic of Mozambique’s guarantee of £1.5 billion worth of loans to Credit Suisse and a number of other banks (assisting Bankim Thanki KC and Ben Lynch KC as a pupil).
Advising in a multi-million dollar LCIA arbitration concerning a series of disputed transactions entered into by the shareholder of a Russian entity (assisting James Duffy as a pupil).
Advising on the proposed sale of shares in a transshipment company (assisting Simon Atrill as a pupil).
FCA Business Interruption Insurance test case
Instructed as counsel for the Hiscox Action Group (consisting of 369 policyholders) in the landmark test case and related arbitration, considering whether policies respond to COVID-19-related losses (led by Ben Lynch KC).
Re Transform Medical Group (CS) Ltd [2020] EWHC 2064 (and subsequent High Court cases)
Advising an insurer in the long-running PIP Breast Implant Litigation, on matters relating to the exercise of privilege over joint retainer documents (assisting Ben Lynch KC as a pupil).
Advising an insured business on the law regarding a notification of circumstances clause in a ‘claims made’ insurance policy (assisting Patrick Goodall KC as a pupil).
Advising an insurer on the deductibility of insurance payments from damages potentially payable to claimants in an underlying litigation (assisting Jeffrey Chapman KC as a pupil).
Advising an insurer on an insured’s claim for breach of the policy, relating to a failure to reinstate the policy following contribution holidays (assisting James McClelland KC as a pupil).
SRA v Gary Senior & ors (Case No. 11976-2019)
Advising in the high-profile disciplinary proceedings concerning sexual conduct by a City solicitor with a junior colleague (assisting James McClelland KC as a pupil).
Advising insolvency practitioners facing complaints lodged by the Insolvency Practitioners Association, relating to breaches of the Statement of Insolvency Principles and the Ethics Code for Members (assisting Chloe Carpenter KC as a pupil).
Advising the SRA in disciplinary proceedings against a solicitor, concerning allegations of dishonest evidence given in a separate trial (assisting James McClelland KC as a pupil).
Advising on potential claims against solicitors arising out of advice given on the settlement of a £84 million claim (assisting Ben Lynch KC as a pupil).
Advising on potential claims against solicitors and a barrister, relating to advice given on a settlement agreement (assisting Ben Lynch KC as a pupil).
The trial of multi-billion dollar aviation insurance claims commenced today in the…
The Court of Appeal has held that a solicitor suffers an insured…
Sebastian Said, together with Nico Leslie and Nathalie Koh (instructed by Applebys…
Adam Collins
Team Leader
+44 (0)20 7842 3798
Click here to email
Alfie Sweeney
Team Leader's Assistant
+44 (0)20 3873 6855
Click here to email
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