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Patrick Dunn-Walsh

Patrick became a member of Chambers in September 2018, having joined as a pupil in September 2017.

He specialises in all areas of commercial law, including shipping, banking, sale of goods, insurance, and civil fraud/asset recovery. In addition to working with other members of Chambers, Patrick has been instructed in commercial and shipping matters in his own right.

Before joining Chambers, Patrick spent nearly three years as an employed barrister working for Joseph Hage Aaronson LLP. His experience included appearing for the applicant in R (on the application of Rosneft) v HM Treasury and others, one of The Lawyer’s Top 20 cases of 2015, concerning the validity of EU sanctions against the Russian oil sector, and advising a large energy company regarding potential claims arising out of a joint venture contract. He also gained experience of restitution claims brought in respect of unlawfully exacted tax (the FII litigation), arbitration claims brought under bilateral investment treaties, and annulment applications to the General Court of the EU.

Patrick read law at the University of Oxford, graduating with a first class degree and ranked first in the university in contract law. He also studied for the BCL, taking papers in restitution of unjust enrichment, conflict of laws, commercial remedies and corporate insolvency.

Key cases

  • R (on the application of Rosneft) v HM Treasury and others [2015] EWHC 248 (Admin) (substantive hearing) (led by Pushpinder Saini QC of Blackstone Chambers).
  • R (on the application of Rosneft) v HM Treasury and others [2014] EWHC 4002 (Admin) (interim relief).


Education and Career: 

University of Oxford, Christ Church, Bachelor of Civil Law (2013)

BPP Law School, Bar Professional Training Course (2012)

University of Oxford, Christ Church, BA in Jurisprudence (2011)


Appointments and Society Memberships: 

Commercial Bar Association

London Common Law and Commercial Bar Association


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