Anthony Hadjiantoniou

Anthony has a broad and diverse practice, specializing in class actions, complex litigation, and international arbitration under LCIA and ICC Rules.

He has extensive experience handling high-stakes cases across the High Court, Court of Appeal, and Supreme Court, particularly in large-scale group actions involving breaches of competition law, continuous disclosure obligations of listed entities, and tortious claims.

Anthony has played a key role in some of the most significant group actions in England, including:

• Advising and representing a class representative in the U.K.'s first certified collective action, a landmark £10 billion claim on behalf of 46 million consumers
• Acting for a class representative in a £1 billion damages claim against a major tech company
• Representing major asset managers and pension funds in multibillion-dollar claims against several banks for alleged manipulation of foreign exchange markets
• Defending a large German automotive manufacturer in numerous cartel damages claims