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Practitioners in profile - Sydney

Mallesons’ International Arbitration team is one of the leading international arbitration practices in Australia.  The Sydney team is led by partner Max Bonnell, and is supported by Senior Associates Jason Clapham and Daisy Mallett together with a team of dispute resolution lawyers.


Max has acted on international arbitrations in a variety of fields including resources, telecommunications, and contractual disputes.  Much of Max’s recent work has involved disputes concerning complex technological and resources problems.  Max is a Fellow of the Chartered Institute of Arbitrators and a Fellow of the Australian Centre for International Commercial Arbitration.  He has published and lectured extensively in the field of international arbitration and  regularly appears as an advocate before international tribunals.  He was named as a leading individual in international arbitration by the pre-eminent legal industry directory, Chambers Global 2011.  Max is an Adjunct Professor of Law at Sydney University, where he teaches International Commercial Arbitration.

Jason has extensive experience in international dispute resolution, having advised parties in relation to international arbitrations administered by the LCIA, ICC, LMAA as well as UNCITRAL ad hoc arbitrations, including acting as advocate.  Jason has also been involved in court proceedings in support of international arbitrations and cross-border disputes, including in the courts of France, Sweden, Dubai, England,

India and the US.  Jason has advised clients in a wide range of industries, including in relation to construction and engineering, finance, telecommunications and energy arbitration disputes.  Most recently, Jason has appeared as counsel on behalf of an Australian investor in relation to an investment treaty claim against a foreign State.  Between 2000 and 2004, Jason worked in the international arbitration team at Clifford Chance in London.  Since 2006, Jason has been an Adjunct Lecturer at the University of New South Wales, where he teaches an LLM course on International Commercial Arbitration. 

Daisy has acted as adviser and advocate in numerous international arbitrations arising under the rules of the major arbitral institutions (ICC, LCIA, UNCITRAL, ICSID, PCA, HKIAC).  She has represented clients across a variety of sectors including mining, oil and gas, utilities, financial services, manufacturing, and insurance disputes.  Daisy also has experience in public international law arbitrations, representing clients in investment treaty and boundary disputes.  Prior to joining Mallesons, she worked in the international arbitration teams of international law firms in London and Paris.  Daisy is on the Asian Region Co-ordinating Committee for the ICC’s Young Arbitrator’s Forum and regularly speaks at conferences and authors articles in the field of international arbitration. 

The team has extensive experience in advising on cross-border disputes, including by way of international arbitration.  Some of the recent matters dealt with by the team include acting for:

  • an Australian investor in what is believed to be the first investment treaty arbitration by an Australian investor against a foreign State.  The team acted as advocates at the hearing;
  • a joint venture in two related international arbitrations against a Swiss entity in relation to the supply of resources.  Mallesons’ clients were awarded US $17 million;
  • an Australian resources company in a complex international arbitration involving approximately US $54 million, in connection with the supply of resources.  Mallesons’ client was entirely successful in the arbitration;
  • an Australian resources joint venture in an international arbitration, obtaining an award in its client’s favour of over $70 million, plus interest and costs; and
  • an Australian resources company in an international arbitration against an Indian entity.  Mallesons’ client received an award of over AU $8.5 million.