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Sebastian Marr

Senior Associate

Sebastian Marr
Senior Associate

Adelaide

+61 8 8205 3386

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Sebastian is a lawyer in Piper Alderman’s Dispute Resolution and Litigation team. He advises clients on commercial disputes, class actions, regulatory investigations, commissions of inquiry, insolvency matters and data breach litigation.

Sebastian acts for ASX-listed companies, government entities and private businesses across a range of industries, including technology, telecommunications, energy, financial services and health. Before joining Piper Alderman, he practised in leading national and boutique firms and worked as an Associate in the Federal Circuit and Family Court of Australia, providing him with valuable insight into court processes and judicial decision-making.

His experience includes acting for clients in complex litigation, cyber incident-related disputes and regulatory investigations, as well as assisting participants in commissions of inquiry and royal commissions. He has practised across multiple Australian jurisdictions and is known for his pragmatic, commercially focused approach to dispute resolution.

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