Arnold Bloch Leibler
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Arnold Bloch Leibler has a respected class actions practice, regularly engaged on high-value, complex and sensitive disputes involving consumer, financial services, shareholder and public interest claims. The group continues to advise leading corporates and institutions on closely scrutinised class actions. The team is led by Melbourne-based litigator Leon Zwier, with support from Sydney-based partner John Mitchell, who manages key shareholder and consumer disputes. Teresa Ward specialises in competition and financial services litigation, navigating regulatory challenges, and Stephen Lloyd focuses on insolvency and commercial disputes.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'The ABL class action team are an amazing team to work with. Their value for money is outstanding compared to the bigger firms and they are both creative and hard working in their approach. They are also very good at handling a diverse stakeholder group.'
- 'Leon Zwier has earned his reputation as a deal maker and problem solver with a very practical, energetic and creative approach to resolving matters. Teresa Ward is also outstanding and a hugely smart operator in this field. Teresa really knows her stuff and combined with Leon, they are a truly formidable pair.'
Key clients
- Aveo Group
- Harvey Norman Holdings Ltd
Work highlights
Acted for Aveo Group in a class action in the Federal Court of Australia alleging that Aveo engaged in misleading and deceptive conduct and unconscionable conduct by introducing new ‘Aveo Way’ management contracts.


