Joshua Thomson SC

Joshua was appointed as the Solicitor-General of Western Australia for over five years between 2018 and 2023. In that capacity, he acted for the State of Western Australia in the High Court of Australia on all cases of major importance for the State, including significant cases about section 92 and Chapter III of the Constitution. In his role as Solicitor-General, he personally advised the Premier and the Attorney General of Western Australia, was involved in reviewing draft legislation, and provided constitutional and other advice to Ministers and other State entities.

As well, before he was appointed as the Solicitor-General of Western Australia, he practised at the independent bar for approximately 17-18 years. His practice covered a wide range of areas, including contractual and insolvency disputes, building and construction matters, maritime law, regulatory competition law for pipelines, professional negligence insurance law, administrative and constitutional law and native title claims. He conducted lengthy trials and complex appeals, and provided strategic advice to major clients, such as international and national banks, and major mining clients.