Patrick Dunn-Walsh > Twenty Essex > London, England > Lawyer Profile

Twenty Essex

Work Department

  • Banking and finance
  • Civil fraud
  • Commercial law
  • Energy and natural resources
  • Insurance
  • Shipping


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 acting as junior in a significant judicial review (led by Pushpinder Saini QC, of Blackstone Chambers) concerning the validity of EU sanctions against Russian entities, 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.


Year of call: 2012


Spanish (proficient)


  • Commercial Bar Association
  • London Common Law and Commercial Bar Association


  • 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)