SILK PROFILE
Robert O'Donoghue KC

Robert O'Donoghue KC

UK Bar 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by Brick Court Chambers

Practice Areas

Robert O'Donoghue KC is an advocate with extensive experience of competition law, EU law, utility regulation, and related aspects of commercial and public law. He has appeared in major cases in the High Court, Competition Appeal Tribunal, Court of Appeal, Supreme Court, EU Courts, Irish courts, Hong Kong courts, international arbitral bodies, and in oral hearings before competition authorities and sectoral regulators in these matters. He is a also leading advocate in collective proceedings in the UK, having secured the largest number of certified cases. He also frequently gives expert evidence on his areas of expertise before foreign courts and arbitral bodies, including in recent actions in Canada, Israel, and Sweden. Whilst his practice focuses mainly on private clients, Robert also frequently acts for public authorities within and outside the EU, including in Hong Kong, Australia, and Ireland.

Robert is also a full member of the Brussels Bar, and so retains full rights of audience in the EU Courts and the courts of the EU Member States

Chambers Review

Provided by Chambers

UK Bar

Competition Law - London (Bar)

Band 1
Band 1

Individual Editorial

Robert O'Donoghue KC attracts considerable attention for advising claimants and defendants on standalone and collective action proceedings following cartel investigations, particularly in relation to abuse of dominance. He also regularly advises clients on challenges to CMA decisions, often involving the pharmaceutical sector.

Telecommunications - London (Bar)

Band 2
Band 2

Individual Editorial

Robert O'Donoghue KC is a competition law-focused silk who has demonstrable experience in telecommunications sector cases. He defends network operators in EC investigations and in subsequent ECJ appeals, and is noted for having particular knowledge of the Irish telecommunications regulatory landscape.

Strengths

Provided by Chambers

  • He's a persuasive and fun barrister to work with and not afraid to take his clients case to the furthest extent possible. He is very tenacious.

    Competition LawUK Bar
  • He is the supreme being of abuse of dominance; there is no one who knows more about it than he does.

    Competition LawUK Bar
  • Robert is clearly one of the best competition silks at the Bar and I would not hesitate to use him in any dispute of this nature, whether on the claimant or the defendant side.

    Competition LawUK Bar
  • Robert O'Donoghue combines strong courtroom performance with a high degree of technical skill, particularly in abuse of dominance.

    Competition LawUK Bar
  • He has an excellent track record, particularly in challenging decisions of the CMA, with real expertise in Chapter II/Article 102.

    Competition LawUK Bar
  • Robert is a great advocate. He really reads the Bench well and responds well to judges. He takes their lead as to what is going to land, which is an incredible strength.

    TelecommunicationsUK Bar

Ranked Barristers at Brick Court Chambers (281)

All Circuits

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership