Arnold Bloch Leibler
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Arnold Bloch Leibler is a go-to firm for complex commercial disputes, with a particularly strong reputation for shareholder litigation. Leon Zwier is a central figure for politically sensitive and high-stakes matters, and Elyse Hilton focuses on large-scale commercial litigation, class actions and complex corporate, competition and IP disputes. Raphael Leibler has experience in domestic and cross-border disputes, acting for corporates and high-net-worth individuals, and Jonathan Milner is highlighted for managing clients and counsel ‘superbly’. Justin Vaatstra 'stands out for his sharp commercial judgement'.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘We engaged Arnold Bloch Leibler to assist with a particularly complex and protracted piece of litigation that demanded not only deep legal expertise but also a strong commercial acumen. Throughout the matter, the firm demonstrated an exceptional ability to balance strategic legal advice with commercially pragmatic solutions. Their thoughtful approach to litigation strategy helped navigate several high-pressure situations with clarity and confidence.'
- ‘Justin Vaatstra has a consistent focus on practical, client-focused outcomes. He stands out for his sharp commercial judgement, ability to quickly grasp complex issues, and clear, solutions-oriented advice. We value Justin's calm, responsive approach and his skill in navigating high-pressure situations with clarity and confidence. Raphael Leibler also brings strong technical expertise and a collaborative style that helps drive matters forward efficiently. Together, they offer a level of engagement, pragmatism, and commercial insight that distinguishes them from competitors and makes them trusted advisors to clients.’
Key clients
- Cbus
- Former non-executive directors of The Star Entertainment Group
Work highlights
Acted for Cbus, one of Australia’s largest super (pension) funds, in civil penalty proceedings commenced by ASIC in the Federal Court in November 2024.


