Peters & Peters

Jonathan Tickner is a brilliant strategist, who thinks outside of the box and takes a thorough approach to solving problem.

Legal 500 2023

Jonathan Tickner


Partner and Head of Fraud and Commercial Disputes

Jonathan Tickner is a brilliant strategist, who thinks outside of the box and takes a thorough approach to solving problem.

Legal 500 2023

Jonathan is Peters & Peters’ Head of Commercial Litigation and Civil Fraud. Jonathan has over 30 years of specialist experience focused on complex international and commercial disputes, civil fraud and asset recovery with ground-breaking experience in multi-jurisdictional emergency procedures, including asset freezing and search and seizure orders.

Jonathan also has extensive experience in large-scale competition damages claims, having acted for the Secretary of State for Health and Social Care for over 20 years in a significant number of pharmaceutical damages, fraud and cartel claims.

Jonathan’s work ranges from the conduct of internal investigations, the diversion of business opportunities and breaches of fiduciary duty to claims involving deceit, bribery and secret profits.

Jonathan is regularly ranked as a Leading Lawyer by legal directories, Chambers recognises his impressive expertise in handling complex fraud proceedings and associated asset recovery measures, including cases involving parties in multiple jurisdictions and cross-border enforcement. Clients and counsel are quoted in its 2024 guide saying:

"Jonathan is one of my favourite people to work with. He is extremely impressive."

"Jonathan works incredibly hard and fights very hard for his clients."

"I rate Jonathan very highly for managing his team and for providing an overall vision for the case."

Clients also praise Jonathan for his “relaxed style [while achieving] superb results” and Chambers' 2022 quotes clients saying:

"Jonathan is very sensible and takes very pragmatic decisions."

"He has a lot of expertise and is very astute."

"He is on top of the detail and takes a collaborative and balanced view."

The Legal 500 2023 says Jonathan is "is efficient and helpful ", “very experienced”, that “clients are very happy with the service provided” and that he “is a brilliant strategist, who thinks outside of the box and takes a thorough approach to solving problems” Clients also said that he is a “commercial litigator at the top of his game. What he doesn’t know isn’t worth knowing, but fortunately he knows everything”.

Jonathan’s expertise is also identified in Who’s Who Legal, ranking him as a ‘Global Elite Thought Leader’ for Asset Recovery and recommending him for Commercial Litigation and Investigations.

Contact details

Tel: +44 (0)20 7822 7766
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.

International Bar Association (IBA)

American Bar Association (ABA)

Association Internationale des Jeunes Avocats (AIJA)

Commercial Fraud Lawyers Association (CFLA)

Association of Contentious Trust & Probate Specialists (ACTAPS)

British Nigerian Law Forum

Competition Law Association

The Voice of the Defense Bar (DRI)

Jonathan was recognised in The Lawyer’s Hot 100