Debra Osborn has practiced in commercial litigation and disputes since 2002. While based in Western Australia, her practice extends throughout Australia and includes international arbitrations seated in the Asia-Pacific region and in London. Debra routinely advises and acts for clients in high-value complex disputes in the energy and resources, construction and infrastructure, property, transport, agribusiness, and state taxation areas.
Prior to joining Jones Day, Debra acted in a number of matters including the following proceedings in: the Supreme Court of Western Australia and the High Court concerning substantial iron ore royalty claims; an ICC (International Chamber of Commerce) arbitration in London relating to a change of control and pre-emptive right dispute involving a substantial petroleum retention license in Papua and New Guinea; the Supreme Court of New South Wales concerning rights of first refusal arrangements in the Australian rail sector; several gas price arbitrations concerning long-term gas supply agreements in Western Australia; the Supreme Court of Western Australia in a dispute involving a long-term gas supply agreement and force majeure issues; a SIAC (Singapore International Arbitration Centre) arbitration involving construction of a major iron ore project in Western Australia; the State Administrative Tribunal (WA) relating to a high-value land rich stamp duty dispute; the Federal Court of Australia in relation to breaches of confidence and misuse of trade secrets by former management and senior employees of an international manufacturing company; and various domestic arbitrations and proceedings in the Supreme Court of Western Australia involving the construction of substantial mining or civil works projects.
- University of Western Australia (LL.M. 2012); Murdoch University (LL.B. with first class honors 2002; University Medalist and Valedictorian)
- Supreme Court of Western Australia, Federal Court of Australia, and High Court of Australia
- Recognized in Best Lawyers in Australia for litigation and construction and infrastructure (2021-2022)
- Associate to Justice Christine Wheeler, Supreme Court of Western Australia (2003)