Bachelor of Arts, Australian National University

Bachelor of Laws, Australian National University

Graduate Diploma in Legal Practice, Australian National University

Professional experience

Tom Brennan specialises in commercial law, regulatory matters and employment law. He has a reputation for successfully running difficult and complex disputes in these areas.

The matters in which Tom regularly appears and advises include civil aviation (regulatory, commercial, insurance and civil liability), competition and consumer law, the law governing intelligence and security agencies and operations, government information, employment and industrial disputes and anti-suit injunctions. Many of the disputes in which he appears contain a cross-jurisdictional element.

Tom regularly appears at trial and appellate level in a diverse range of Federal and State jurisdictions including the High Court of Australia, Full Court of the Federal Court of Australia, Federal Court of Australia, New South Wales Court of Appeal and the New South Wales Supreme Court. He also appears in tribunals, such as the Fair Work Commission and Administrative Appeals Tribunal.

Tom’s chambers are equipped with high quality audio visual conferencing facilities for use in appearances, mediations and conferences. He accepts fully electronic briefs and is the author of the Guide to Preparing and Sending an Electronic Brief. The scope of Tom’s practice and complementary practice areas assist him to integrate different legal disciplines to achieve favourable commercial outcomes for his clients. He accepts briefs from solicitors in law firms and in-house legal counsel, and is commended by his clients for his detailed knowledge, breadth of experience and attention to detail. He is a strategic litigator who is highly valued for his preparedness to run difficult cases and creative abilities.

Prior to joining the Bar in 2006, Tom acquired considerable experience as a senior executive in the Federal Government and as a public company director. Tom was also previously a Partner at national law firm, Corrs Chambers Westgarth. He is the former Chair of 13 Wentworth Chambers and holds a Bachelor of Laws and Bachelor of Arts from the Australian National University in Canberra.


Law Council of Australia, Trade Practices Committee

Law Council of Australia, Civil Litigation Section

Law Council of Australia, International Law Section

Australian Institute of Administrative Law

Selected Cases

Commercial Disputes

Hills Ltd ats Rauland Australia Pty Ltd [2019] FCA 1174, [2019] FCA 1175, [2020] FCA 516, [2020] FCA 1400 – continuing to act for Hills Ltd in long running disputes concerning claims of misuse of confidential information of a competitor supplier of nurse call systems to hospitals

Virgin Australia Holdings Ltd ats Wells Fargo Trust (on the remitter from VB Leaseco Pty Ltd (administrators appointed) v Wells Fargo Trust Company [2020] FCAFC 168) – appeared for the administrators of the Virgin Group to obtain orders in dispute with aircraft lessor that enabled completion of the administration

AerCap Ireland v Beijing Capital Airlines (2019) – appeared for aircraft lessor in the first (ex-parte) application in Australia to “arrest” an aircraft under the Cape Town Convention

Murray ats Feros [2019] NSWSC 260 – dissolution of partnership of pharmacists; winding up of operating entities

Regulatory Disputes

Waterco Ltd v Australian Pesticides and Veterinary Medicines Authority NSD 1335/2020 – appeared for registrants under the Agricultural and Veterinary Chemical Code to obtain orders setting aside decisions to cancel various registrations of pool and spa sanitisers. Orders sought made by consent following the first day of expedited trial

Commonwealth of Australia v Helicopter Resources Pty Ltd [2020] HCA 16; [2019] FCAFC 25, 264 FCR 1; [2018] FCA 595, [2018] FCA 991 – appeared for Helicopter Resources at trial and on appeal – application to restrain a Coroner from examining operator’s Chief Pilot on safety standards of air operations in the Antarctic when the operator has been charged with offences under Work Health and Safety law

Work Health Authority v Outback Ballooning Pty Ltd [2019] HCA 2, 93 ALJR 212; [2017] NTCA 7, 326 FLR 1 – appeared for Outback Ballooning – Constitutional Law – do the Civil Aviation Act, Regulations and Orders cover the field of the prescription and enforcement of safety standards in civil aviation – exclusion of application of Work Health and Safety laws to safety of civil air operations

Employment & Industrial Disputes

Dorber ats CFMMEU NSD 1329/2019 – appeared in the Federal Court for Mr Dorber who was sued by the CFMMEU for contraventions of the Fair Work Act in his capacity as an employer bargaining representative. Proceeding resolved in 2020 by CFMMEU consenting to judgment against it with an order that it pay Mr Dorber’s costs

Qube Ports Pty Ltd ats CFMMEU C2020/4469 – in the Fair Work Commission successfully resisting application by CFMMEU concerning calculations of wages for irregular employees for whom employer received Jobkeeper

Pezzimenti v Rotary International (2019) 290 IR 219; [2020] FCCA 95 – appeared for Mr Pezzimenti obtaining compensation and penalties for his unlawful dismissal as Chief Executive of Rotary in Australia

Australian Defence Apparel Pty Ltd v Graham & Anor [2019] NSWSC 1162 – appeared for the former CEO in post-employment restraint dispute

Administrative Law

Hocking v Director-General, National Archives of Australia [2020] HCA 19; [2019] FCAFC 12; [2018] FCA 340, 255 FCR 1 – appeared for Professor Hocking – Constitutional and Administrative Law – letters between the Governor-General in his official capacity and the Queen are the “property of the Commonwealth or a Commonwealth institution” and subject to the Archives Act – nature and incidents of the office of Governor- General

Commonwealth of Australia v Helicopter Resources Pty Ltd [2020] HCA 16; [2019] FCAFC 25, 264 FCR 174; [2018] FCA 595, [2018] FCA 991 – appeared for Helicopter Resources – Judicial Review of decision by Coroner to require employee of company charged with offence to answer questions which may be relevant to the charges – scope of corporation’s right to an accusatory trial – powers of Coroner

Degning v Minister for Home Affairs [2019] FCAFC 67 – appeared for the appellant to set aside deportation order – interpretation of legislation – presumption against retrospectivity – denial of natural justice


(02) 9238 0047

Called to the Bar


Apppointed Senior Counsel