Raif Hassan’s practice focuses on cross-border commercial litigation, antitrust and competition disputes, and arbitration.

He has extensive experience of competition follow-on, standalone, and class actions before the UK Competition Appeal Tribunal (CAT), the English High Court, and Court of Appeal.

Raif advises clients on cross-border contentious commercial and restructuring matters and has extensive experience of in some of the largest private antitrust damages and cartel actions before the CAT, including opt-out class actions.

He has experience in international commercial disputes resolved by ICC and LCIA arbitral proceedings, High Court litigation, and Alternative Dispute Resolution, including mediation and expert determination. He also has substantial appellate court experience in both the English Court of Appeal and the Judicial Committee of the Privy Council.

Raif has worked with clients from a variety of sectors including oil and gas, pharmaceutical, financial services, defense, infrastructure, and automotive. As well as representing clients in dispute resolution proceedings, he regularly provides advice on a range of contractual, jurisdictional and conflict of law issues, and on issues relating to the enforcement and recognition of judgments and litigation funding.

Raif joined the firm as a partner in 2025 from another major international law firm.

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Notable Experience (including those prior to joining Cleary)

  • Nexans in relation to a (now certified) application brought by Clare Mary Joan Spottiswoode CBE for a Collective Proceedings Order to bring an opt-out class action on behalf of domestic consumers of energy in the UK for allegedly increased energy prices resulting from pass-on of an alleged overcharge on High Voltage Power Cables following the European Commissions’ Power Cables decision.

  • A leading producer of occupant safety systems (OSS), in a first-of-its-kind action in the CAT, in its defense of follow-on and standalone damages actions in the Competition Appeal Tribunal and High Court.

  • Nexans in its defense of a private damages action brought in relation to an alleged overcharge on High Voltage Power Cables for the London Array Project arising from the infringement found in the European Commissions’ Power Cables decision.

  • A leading global producer of natural gas-derived products in fraud proceedings in the Judicial Committee of the Privy Council.

  • Several disputes concerning typically high-profile UK Ministry of Defence procurement projects.

  • A leading Japanese producer of automotive bearings products in its defense of follow-on damages actions in the Competition Appeal Tribunal, High Court and Court of Appeal for alleged breach of Article 101 TFEU.

  • A hedge fund in its cross-border claims against the Lehman Brothers International (Europe) and Lehman Brothers Holding Inc estates.

  • A private equity group in relation to breach of confidence claims brought in the High Court.

  • An arranger of financial investments in fraud proceedings in the Circuit Commercial Court.

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