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Clifford Chance

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 and 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