Marie-Claire O’Kane practises in the areas of commercial law, international arbitration, professional liability, property litigation, construction, insurance and public law.

Prior to coming to the Bar, Marie-Claire studied law at Harvard Law School, Oxford University, University of Paris II Pantheon-Assas and Trinity College Dublin. She has taught law as a visiting tutor at the London School of Economics and King’s College London and has acted as an Assistant Examiner in tort law at the University of London.

Marie-Claire is an Editor of the Eighth Edition of Jackson & Powell on Professional Liability. She edits the chapter on the liability of Art Professionals, with Roger Stewart QC.

Further detail on Marie-Claire’s expertise is set out below.

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Areas of Expertise

Commercial

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Recent instructions include:

  • Acting as part of a counsel team in Libyan Investment Authority v Société Générale – a US$2 billion claim seeking rescission of a series of trades entered into by the sovereign wealth fund with the French bank. The case was listed as one of The Lawyer’s Top 20 Cases of 2017.
  • Acting in a large scale s166 FSMA skilled person review in relation to the mis-selling of interest rate hedging products.

International Arbitration

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Recent instructions include:

  • Acting as Tribunal Secretary to the Chairman of an ICC Tribunal in connection with the construction of a road in East Africa (FIDIC Yellow Book).

Professional Liability

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Recent instructions include:

  • Ocean Finance & Mortgages Limited v Oval Insurance Broking Limited v Senior Wright Limited [2016] Lloyd’s Rep. I.R. 319 – led by Ben Hubble QC – acting for producing broker in Part 20 claim against placing broker in relation to allegations of a failure to advise a mortgage broker to make a blanket notification to insurers.
  • Defending a large scale solicitors’ negligence claim – led by Ben Hubble QC – in relation to advice given on off-plan property transactions.
  • Defending claims against solicitors for under-settlement of matrimonial financial relief claims.
  • Acting in a multi-million pound valuers’ negligence claim led by Patrick Lawrence QC and Clare Dixon.
  • Defending a claim brought against an IFA in relation to advice given on a personal pension plan.
  • Defending a claim brought against mortgage intermediaries in relation to advice given on mortgage products.

Property litigation

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Recent instructions include:

  • Acting for lenders in multiple possession related matters.
  • Defending claims brought against managing agents/estate agents in respect of the management/marketing of property.

Construction

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Recent instructions include:

  • Acting as Tribunal Secretary to the Chairman of an ICC Tribunal in connection with the construction of a road in East Africa (FIDIC Yellow Book).
  • Defending claim brought by subcontractor against contractor in respect of disputed sums owed for variations and additional works carried out in multiple social rent and private sale residential properties.

Insurance

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Marie-Claire acts regularly for professional indemnity insurers in the context of professional liability claims. She has also assisted with a variety of insurance matters as a pupil, including on issues relating to aggregation, coverage disputes and notification.

Public law

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Marie-Claire has acted as a volunteer duty advocate with the Asylum Support Appeals Project (ASAP) and has appeared regularly in the First-tier Tribunal (Asylum Support). She is committed to undertaking pro bono work and is happy to accept such instructions.

Qualifications & Memberships

LLB (Ling. Franc.), Trinity College Dublin (First Class Honours); BCL, University of Oxford (Distinction); LLM, Harvard Law School; BPTC.

Marie-Claire is a member of COMBAR, TECBAR and PNBA. She is a Committee member of Junior TECBAR.

Publications

VAT registration number: 195802383