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London

Founded in 2012, Signature Litigation has grown into one of London’s pre-eminent specialist dispute resolution practices. From the outset, we set out to do things differently: a conflict-free, disputes-only platform designed to give clients the undivided focus and strategic agility that complex, high-stakes matters demand.

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Gibraltar

Established in 2017, Signature Litigation's Gibraltar office was founded to address growing demand for specialist expertise in commercial litigation and private wealth disputes on the Rock.

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Paris

Signature Litigation AARPI houses one of France’s most enviable product liability practices, with the team also handling commercial and corporate litigation, insurance and reinsurance, toxic tort and ESG, civil fraud and asset tracing, international arbitration, administrative and public law.

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Frankfurt

Frankfurt has emerged as one of Europe's foremost financial and commercial centres and, increasingly, as a bridge between European and Asian markets. With that growth comes an increasing demand for sophisticated dispute resolution. Signature Litigation established its Frankfurt office to meet this need, bringing our conflict-free, disputes-only platform to the German market.

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Jamie O’Reilly

Paralegal

The quality of their service has always been exceptional. The team excels at developing and coordinating litigation strategies that are not only thorough but also realistic and perfectly aligned with clients’ expectations. 

– The Legal 500 EMEA 2026

The team is excellent, always ready to meet our needs and anticipate risks and expectations.

– The Legal 500 EMEA 2026
Very good advice, to the point and with attention to detail. 
– The Legal 500 EMEA 2026

Jamie is a Paralegal at Signature’s London office, specialising in Commercial Litigation.

Prior to joining Signature Litigation in 2023, Jamie worked for a year as a Paralegal at a specialist commercial litigation firm. Jamie has worked on a number of group claims across a range of sectors, with particular experience in group financial services claims. He has also assisted on contractual disputes and shareholder disputes.

Jamie has significant experience in disclosure exercises, trial preparations, case management, research and legal drafting.

  • Representing a technology innovation investment company in bringing and defending claims with the total value of USD 2bn against a multinational investment bank arising from a shareholders’ agreement between them and related to the management of subsidiaries and the valuation of a call option.
  • Representing over 200 institutional claimants with respect to over 1,000 different funds/portfolios in a c. GBP 1.5bn group action claim against Standard Chartered involving allegations of untrue or misleading statements and omissions in information published by the Defendant to the market giving rise to claims under s90 and s90A Financial Services and Markets Act 2000.
  • Representing a large group of retail investors in one of the most significant pieces of international investment litigation in modern history. It concerned breach of contract and misrepresentation claims against major life insurance companies to recover losses in excess of GBP 100m suffered from failed investment bonds. The proceedings in the Isle of Man are ongoing and are the first of their kind in that jurisdiction.
  • Representing the claimant in the groundbreaking GBP 50m dispute against Marks & Clerk LLP in relation to secret commissions earned from longstanding commercial referral arrangements with CPA Global. The case proceeded as a representative action under CPR 19.8 and became a leading authority on the issue of England’s ability to host group action claims.
  • Representing an offshore investment fund in an ongoing English High Court dispute against a law firm with a claim value of c.GBP 40m arising from investments made in a listed African insurance company.
  • Representing a company associated with high-profile high-net worth individual in a High Court high-value dispute with a global aluminium company concerning the transfer of shares in one of the world’s leading metal mining companies.
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