Declan appears in a variety of courts and tribunals.
Declan has a diverse practice which includes regulatory proceedings, commercial law, class actions, administrative law, defamation law, and family law.
He has particular expertise in competition law. In this field he has appeared in many of the leading cases in recent years, and been consistently ranked as a leading junior barrister.
Before being called to the bar, Declan was a lecturer in law at the London School of Economics, and obtained his PhD in law from the Australian National University.
He is also the author of a book, ‘Accountability in Restorative Justice’, published by Oxford University Press, which was awarded the British Society of Criminology book prize in 2004.
Chambers & Partners Asia-Pacific Guide 2023 - Band 2 in Competition and Antitrust - Declan is described as being "a highly experienced junior counsel, having worked on the lion's share of landmark competition cases."
Doyles Guide (Australia wide) – Preeminent Competition Law Junior Counsel
Doyles Guide (NSW) – Recommended Commercial Litigation and Dispute Resolution Junior Counsel
The Legal 500 Guide 2023 – Tier 1 Leading Junior in Competition