Patrick O’Bryan-Gusah
- Commercial Law Tort Law
- Public Law Employment & Industrial
Patrick has acted in all stages of litigation, including investigations, interlocutory applications, trials and appeals in State and Federal Courts.
Prior to joining the Bar, Patrick was a Senior Lawyer at the Australian Government Solicitor, Associate to the Honourable Justice Hespe at the Federal Court of Australia, and an Associate in the Commercial Disputes team at Allens.
At the Australian Government Solicitor, Patrick’s clients included the ACCC, ASIC, the OAIC, the ATO, and the Commonwealth Department of the Treasury. He advised in areas including competition, consumer credit, corporations, taxation, privacy and foreign acquisitions law.
At Allens, Patrick acted for public and private corporate clients on matters in insurance, class action, tort, consumer law, judicial review, mergers, takeovers and regulatory applications.
Patrick holds a Juris Doctor, Bachelor of Arts and Diploma in Music from the University of Melbourne.
He is reading with Leana Papaelia and his senior mentor is Wendy Harris KC.
Contact
- P+61 3 9225 8558
- M+61 437 330 130
- F+61 3 9225 8668
- E[email protected]
- Connect on Linkedin
Castan Chambers
Level 16 Room 13
460 Lonsdale Street
Melbourne VIC 3000
Jane King
+61 3 9225 8558
Expertise
- Appellate
- Bankruptcy
- Competition
- Consumer Credit
- Consumer Law
- Contractual Disputes
- Corporations & Securities
- Equity & Trusts
- Insurance
- Taxation
- Class Actions
- Common Law
- Major Torts
- Appellate
- Judicial Review
- Privacy
- Taxation
Qualifications
Juris Doctor (The University of Melbourne)
Bachelor of Arts and Diploma of Music (The University of Melbourne)
LMusA (distinction) from the AMEB in violin.
Victoria
State and Territory Courts and Tribunals
Federal Court of Australia
High Court of Australia
French
Recent Cases
ACCC v Google Asia Pacific (Search defaults case) (with Matt Collins KC, Clare Cunliffe and Alice Muhlebach, instructed by AGS).
ACCC v VVFP & Ord (with Nicholas De Young KC, Katherine Brazenor and Jane Lindgren, instructed by AGS).
Stack v AMP Financial Planning Pty Limited & Ors (with Wendy Harris SC, Sera Mirzabegian SC, Jesse Rudd and Jessica Hudson, instructed by King & Wood Mallesons)
Green v Graincorp Oilseeds Pty Ltd (with Kathleen Foley SC, Lara O’Rorke, Roshan Chaile and James McNicol Smith, instructed by Ashurst)
Advice to a foreign bank in relation to the application of Subdiv 170-A transferred tax losses (instructed by Deloitte).
Kent Projects Pty Ltd v CEPU [2025] FCA 1221 (with Andrew Pollock, instructed by Mills Oakley)
Offshore Employers Association Ltd v CFMEU (WAD270/2025) (with Andrew Pollock, instructed by Mills Oakley)
AB (a pseudonym) v Alfred Health [2025] VSC 551 (unled, direct access)
Malwal and Minister for Immigration and Citizenship (Migration) [2025] ARTA 1553 (unled, direct access)
Sun v Macdonald & Co Construction Pty Ltd and Anor (VID859 of 2025) (with Gemma Cafarella, instructed by Clayton Utz)
Briefed regularly by the First Peoples’ Assembly of Victoria.
Publications
Memberships
Commercial Bar Association
Tax Bar Association
Common Law Bar Association
Military Bar Association