Justin Brereton Portrait

Justin Brereton

Bar roll 2005 Admitted 2000
  • Commercial Law Tort Law
  • Public Law
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Justin Brereton practises in a range of commercial, administrative and regulatory matters

Justin practises in commercial, administrative, regulatory and tort law and has extensive experience in matters involving commercial fraud, directors’ duties, professional negligence and class actions.

He appears in all jurisdictions at trial and appellate levels. He has also appeared in Royal Commissions, Inquiries and Inquests and is often briefed to appear on injunctions and freezing order applications.

Justin regularly provides advice to both government agencies and business particularly in highly regulated industries such as financial services. In that context he regularly works directly with in-house counsel.

He is also regularly briefed to conduct high-level inquiries and investigations in both the public and private sectors.

Since 2016 Justin has been annually recognised by Best Lawyers in the area of class action litigation.

Before signing the Bar Roll, Justin was a senior lawyer in the law enforcement directorate of ASIC. In that context, Justin was responsible for high profile matters across all areas of ASIC's jurisdiction, including matters of corporate finance, consumer protection and law reform, particularly in the area of superannuation.

Liability limited by a scheme approved under Professional Standards legislation


Chambers & Clerk

Castan Chambers
Level 15 Room 1

460 Lonsdale Street

Melbourne VIC 3000

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Jane King

03 9225 8558


Commercial Law
  • Banking & Finance
  • Bankruptcy
  • Class Actions
  • Consumer Credit
  • Consumer Law
  • Contractual Disputes
  • Corporate Insolvency
  • Corporations & Securities
  • Energy & Resources
  • Equity & Trusts
  • Insurance
  • Sports Law
  • Superannuation
Tort Law
  • Class Actions
  • Commissions & Inquiries
  • Common Law
  • Inquests
  • Major Torts
  • Negligence
  • Professional Negligence
Public Law
  • Administrative Law
  • Aged Care
  • Commissions & Inquiries
  • Judicial Review
  • White Collar Crime



Bachelor of Laws

Master of Laws

Graduate Diploma in Legal Practice


South Australia


Entitled to practise in

State and Territory Courts and Tribunals

Federal Court of Australia

High Court of Australia

Recent Cases

Recent high-profile cases
  • Crown Casino Royal Commission;
  • Advising in respect of the regulatory response to the Crown Casino Royal Commission;
  • Financial Services Royal Commission - advising and appearing for one of Australia's best performing superannuation funds;
  • Kilmore and Murrindindi Bushfire class actions – appearing for the CFA and DEPI in negligence claims;
  • Inquiry into the CFA Training College at Fiskville;
  • Hazelwood Mine Fire Inquiry - appearing for the fire services;
  • Royal Commission into Institutional Reponses to Child Abuse;
  • 2009/10 Bushfires Royal Commission – appearing for the State of Victoria in relation to “systemic issues” including the economic and safety regulation of the electricity industry, the funding of fire services and the adequacy of emergency communication systems;
  • Mediterranean Shipping Company – appearing for one of the world’s largest shipping companies in its prosecution of commercial disputes relating to breaches of directors’ duties, fraud, and the tort of conspiracy;
  • AWB – acting for ASIC in various aspects of its investigation and subsequent litigation arising from alleged breaches of directors’ duties;
  • Westpoint, Great Southern & Opes Prime – advising and appearing for financial service providers and other professionals involved in these matters, including in claims of professional negligence;
  • Acting for various sporting organisations – advising and appearing for administrative bodies such as the Football Federation of Victoria and sporting clubs, including AFL football clubs in commercial disputes.

    In addition to his work at the Bar, Justin also has experience as a non-executive director in the financial services and not-for-profit sectors.



Victorian Bar - Commercial Bar Association