Cases - Level Twenty Seven Chambers

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Professional Negligence Cases

DGR Global Ltd v P.T. Limited as trustee of the Armour Energy Security Trust [2026] QSC 226

2-10-26 / Andrew O'Brien KC, Sam McCarthy — Competition & Consumer, Corporations, Professional Negligence

Andrew O’Brien KC (leading AM Campbell) appeared for the first and second defendants, instructed by Cown Schwarz Marschke. Sam McCarthy appeared for the sixth defendant, instructed by Hall & Wilcox. This judgment concerns an application by the plaintiff to file a third and forth further amended statement of claim. The…

Surman v Gateway Lawyers (A Firm) [2025] QSC 287

7-11-25 / Sam McCarthy — Corporations, Professional Negligence

Sam McCarthy appeared for the defendant, instructed by McInnes Wilson Lawyers. This case involved a claim brought by the plaintiff, as trustee of the KJM Family Trust, alleging that the defendant had acted negligently in failing to properly attend to the preparation and lodging of a company’s tax returns, in…

DGR Global Ltd v P.T. Limited [2025] QCA 122

1-7-25 / Andrew O'Brien KC, Sam McCarthy — Professional Negligence

Andrew O'Brien (with A M Campbell) represented the first and second respondents, instructed by Corrs Chambers Westgarth. Sam McCarthy (led by D O'Sullivan KC) represented the sixth respondent, instructed by Hall & Wilcox. This case concerned an appeal from an order for security of costs, with the appellant challenging the…

Blue Dog Group Pty Ltd v Credit Suisse Equities (Australia) Ltd & Ors [2025] QSC 101

17-6-25 / Sam McCarthy — Professional Negligence

Sam McCarthy appeared for the fifth defendant, instructed by Hall & Wilcox. Application for leave to discontinue representative proceedings against fifth to eighth defendants.

DGR Global Ltd v P.T. Limited as trustee of the Armour Energy Security Trust [2025] QSC 8

30-1-25 / Michael Hodge KC, Andrew O'Brien KC, Sam McCarthy, Sophie Gibson — Competition & Consumer, Corporations, Professional Negligence

Michael Hodge KC and Andrew O'Brien represented the first and second defendants, instructed by Corrs Chambers Westgarth. Sam McCarthy and Sophie Gibson (led by D O’Sullivan KC) represented the sixth defendant, instructed by Hall & Wilcox. This case concerned DGR’s application for leave to amend its further amended claim and…

Cases — Sam McCarthy