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Clifford Chance
Oliver Carroll

Oliver Carroll

Senior Associate

Senior Associate
Oliver Carroll

Oliver Carroll advises on a broad range of contentious matters, with a focus on administrative law and antitrust litigation. Oliver also advises on international trade contingency planning, and public policy matters.

Antitrust Litigation and Investigations

  • Advising a multinational corporate client in an abuse of dominance investigation by the European Commission
  • Advice on injunctive relief to prohibit a withdrawal of data supply in an abuse of dominance case

Public and Administrative Law

  • Advice on public law remedies for compulsory undervalue nationalisation mechanisms
  • Advice to a financial services client on judicial review proceedings and a preliminary reference to the CJEU post-Brexit
  • Acting for the Howard League for Penal Reform in a UK Supreme Court intervention: R (on the application of Coll) v Secretary of State for Justice [2017] UKSC 40.
  • Advising a government in the redesign of its aviation licencing regime
  • Advice on third party standing and right to intervene in judicial review proceedings
  • Advising a client on judicial review of national security regulation

Commercial Litigation

  • Defending News Group Newspapers in Various v News Group Newspapers (Mobile Telephone Voicemail Interception Litigation)
  • Defending a client in a series of post-M&A breach of warranty disputes 


International Trade Law

  • Advising a government on WTO customs obligations, including conducting a global review of customs union structures and processes
  • Advising an international corporate client on bringing a WTO claim against a government for imposition of barriers to trade 
  • Advising a multinational client on the application of tariff and rules of origin provisions in FTAs
  • Advice on exclusion from an industry trade association pursuant to US Treasury Department sanctions

News and client work

View all news and client work featuring Oliver Carroll

Contact details

Career & qualifications

  • University of Oxford (MA) 2015
  • Joined Clifford Chance 2016
  • Seconded to Clifford Chance Paris 2017
  • Admitted as a solicitor in England & Wales 2018
  • Admitted as a solicitor in the Republic of Ireland 2019
  • Solicitor-Advocate 2021

Professional bodies

  • Member of the Constitutional and Administrative Law Bar Association

Awards and citations

  • "Associate Oliver Carroll is recommended, given his experience in prominent judicial reviews."
  • Key Lawyer
    Legal 500: Administrative and Public Law 2022
  • 'Oliver Carroll is a pleasure to deal with.'
    Legal 500 2022
  • 'Oliver Carroll has led our matter with little partner input and he stands out as an associate with legal insights and strategy beyond his years PQE.'
    Legal 500 2022