Mark Clarke | White & Case LLP International Law Firm, Global Law Practice
Mark Clarke
Mark Clarke

Mark Clarke

Partner, London

T +44 20 7532 2993

E [email protected]


Mark Clarke is a partner in the Dispute Resolution group in the Firm's London office. He has represented governments, state owned entities and some of the largest companies in the world including E&P and infrastructure project development companies in numerous complex cross-border disputes, both in litigation and arbitration. Mark also has experience of other forms of dispute resolution, including expert determination, adjudication and mediation.

Mark specialises in disputes arising out of the energy, resources and infrastructure sectors, principally relating to oil & gas. Mark has been recognised in Chambers, which has listed him as "a rising star", for his energy disputes work and is described as "skilled in all forms of energy-related dispute resolution". Mark has also been described as "outstanding" in international arbitration by Legal 500.

Mark is on the UK National Committee of the World Petroleum Council.

Bars and Courts

  • England and Wales


  • Postgraduate Diploma in Law, Oxford Brookes University
  • Postgraduate Diploma in Legal Practice, The College of Law
  • MA, Peterhouse, University of Cambridge


  • English


Representing an oil major in its successful defence of a multi- billion US$ ICC arbitration concerning its acquisition of an interest in a gas field and the operation of pre-emption rights.

Representing an African NOC in an UNCITRAL arbitration and expert determination proceedings concerning a tariff adjustment under an offshore mooring agreement.

Representing two subsidiaries of a Middle Eastern gas company in separate ICC arbitrations concerning, respectively, a drilling project offshore Nigeria; and non-payment of cash calls in relation to a licence in Egypt.

Representing Woodside Energy Limited in a US$190 million dispute in the Commercial Court concerning a claim brought by Woodside's joint venture partners for the loss of opportunity arising from an alleged breach of a farm-in-agreement.

Advising JX Nippon in various matters including High Court proceedings concerning pre-emption issues.

Advising a Middle Eastern construction yard in relation to a US$390 million dispute concerning allegations of duress and breach of contract.

Speaking Engagements

"Resolving oil & gas disputes: the options available and key considerations", March 2014: AIPN ME Chapter Event, Dubai and Oman

"Oil company and host country disputes: the options available and how to maximise them", July 2013: AIPN EA Chapter Event, London

"Gas pricing disputes", December 2012: AIPN NOC Conference, London


  • Pre-emption rights – do they add value?, International Energy Law Review, July 2016
  • The price isn't right – gas pricing disputes, International Energy Law Review, January 2015
  • Anti-corruption initiatives, Latin American Oil & Gas, A Practical Guide to the Law and Regulation, May 2015
  • Resource nationalism – a gathering storm?, International Energy Law Review, September 2012
  • Drafting effective dispute resolution clauses, Dispute Resolution in the Energy Sector – A Practitioner's Handbook, May 2012
  • Judicial Review in England and Wales, Dispute Resolution in the Energy Sector – A Practitioner's Handbook, May 2012
  • Judicial Review in the Energy Sector, International Energy Law Review, September 2011