Siobhan Deacon advises on complex cross-border litigation and arbitration matters. Her experience includes class action defense, contentious regulatory matters, and high-value commercial disputes. Siobhan acts in a range of jurisdictions including the Federal Court of Australia and Australian State Supreme Courts, as well as in international arbitrations.

Siobhan’s recent experience includes defending clients in significant prosecutions by the Australian Securities and Investments Commission and in a high-profile shareholder class action, related to financial products and securities issues. Siobhan regularly acts for clients in high-stakes proceedings and high-value disputes, across a range of sectors including technology, energy and resources, financial markets, funds, property and development, consumer goods and manufacturing. She has advised clients in relation to insolvency issues; alleged breaches of directors' duties; claims of misleading, deceptive, and unconscionable conduct; product liability disputes; and claims of misfeasance in public office.