Jonathan Tickner
Jonathan Tickner is Head of the Fraud and Commercial Disputes department at Peters & Peters and a leading figure in commercial litigation and civil fraud. With over 30 years of specialist experience, Jonathan focuses on complex international disputes, civil fraud, asset recovery, and large-scale competition damages claims. He has particular expertise in multi-jurisdictional emergency procedures, including asset freezing and search and seizure orders.
Jonathan’s work spans a wide range of civil fraud matters, including internal investigations, diversion of business opportunities, breaches of fiduciary duty, deceit, bribery, and secret profits. He has acted for the Secretary of State for Health and Social Care for over two decades in numerous high-profile pharmaceutical fraud, cartel, and damages claims.
Jonathan and his team were named Litigation Team of the Year at The Lawyer Awards 2025, recognising their outstanding work on some of the most complex and high-value fraud cases in the UK and internationally.
Recognised as a Band 1 practitioner for Fraud: Civil by Chambers & Partners 2025 and ranked as a leading individual by Legal 500, Jonathan is regularly praised for his strategic handling of complex, multi-jurisdictional fraud litigation and asset recovery. He is also listed in Who’s Who Legal as a Global Elite Thought Leader for Asset Recovery and is recommended for both Commercial Litigation and Investigations.
Jonathan is widely respected in the market, leading some of the most significant fraud cases in the courts while managing a growing and highly regarded team. He is an Honorary Member and former President of the Commercial Fraud Commission of the Association Internationale des Jeunes Avocats (AIJA), and he frequently writes and lectures internationally on fraud and litigation matters.
Case examples
Jonathan leads the team acting for the Secretary of State for Health and Social Care in a £250 million follow-on damages claim against the French pharmaceutical group, Servier relating to the drug Perindopril.
Jonathan leads the team in acting for the Secretary of State for Health and Social Care in the follow-on damages claim against Lundbeck and other pharmaceutical companies in the Competition Appeals Tribunal (CAT) relating to the drug citalopram.
Acting for a group of claimants, including former sports professionals, in claims regarding large losses arising from tax-leveraged film schemes promoted by Ingenious Media.
Acting for a high net worth (Nebahat İşbilen) in fraud and asset recovery claims against her former financial advisor for alleged misappropriation and fraud for sums in excess of £40 miliion. The case has been widely reported in the international press.
Representing a global manufacturing company which was a defendant in a multi-million pound follow-on competition damages action commenced on the basis of the European Commission’s findings in relation to a cartel operating in the European market.
Acting in connected Commercial Court claims with a combined value in excess of US$400 million, subject to Kazakh law, concerning fraud and banking issues.
Related expertise
- Alternative Dispute Resolution
- Asset Tracing & Recovery
- Business Crime & Investigations
- Civil Fraud
- Commercial Litigation
- Competition & Antitrust
- Criminal Cartels
- Directors’ Duties & Disqualification
- Employee Fraud
- Fraud & Commercial Disputes
- Freezing Injunctions & Search Orders
- Insolvency & Bankruptcy
- International Arbitration
- Mediation
- Trust Litigation