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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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Competition Law

Our lawyers are expert at advising corporate clients in competition law disputes – also known as antitrust disputes in other jurisdictions – across all our offices.

We are particularly known for our work on standout matters stemming from our international presence, most notably in Gibraltar, where we acted for Gibtelecom against GibFibre in the jurisdiction’s first ever competition trial.

We have significant experience in regulatory challenges arising out of investigations into anti-competitive practices including appeals to the Court of Appeal and Privy Council in London.

We have a track record of handling follow-on litigation arising out of investigations by the EU Commission, UK and Gibraltar competition authorities.

Our experience is particularly focused on disputes arising out of anti-competitive agreements (eg. cartels) and abuse of dominant position in a variety of industry sectors including telecommunications, energy, automotive industry, commodities, pharmaceuticals.

We are equally versed in acting on both sides of competition disputes having a track record of representing members of cartels, as well as victims of anti-competitive activities.

KEY INDIVIDUALS

An excellent litigator - combining shrewd judgement, impressive commitment and a huge amount of charm.

– The Legal 500 UK 2025, Banking litigation: investment and retail

Known for his focus on litigation in the financial services sector".

– The Legal 500 EMEA

Elliott Phillips is a fantastic practitioner who is respected in the industry and a pleasure to work with.

– Chambers Europe 2025, General Business Law: Dispute Resolution - Gibraltar

Thomas Rouhette ranks among France’s most highly regarded names in the litigation arena.

– The Legal 500 EMEA 2025, Dispute resolution: Commercial litigation

“Tom is a great litigator. He is always on top of his game.”

– Chambers UK 2026, Commercial and Corporate Litigation

Regularly acts in high-stakes… claims.

– The Legal 500 UK 2025, Fraud: Civil

Case Highlights

Evaluating the merits of potential follow-on litigation in the UK regarding the European Commission's cartel finding and approx. EUR 1bn fine against seven manufacturers of automative bearings.

Representing a large European manufacturer of foam products in three separate foam cartel follow-on damages proceedings in the English Courts through various phases of the litigation process.

Representing a global technology company in defending a EUR 1.8bn follow-on damages claim regarding mobile phone batteries, in which the client successfully challenged the High Court’s jurisdiction and subsequently defend new proceedings brought by way of a Finnish arbitration.

Representing a global technology company in defending a EUR 667m follow-on claim regarding computer monitors, in which the client successfully challenged the High Court’s jurisdiction (later overturned by the Court of Appeal) before continuing to defend the claim through various phases of the litigation until settlement.

Advising a global tech supplier in the automative industry in relation to multi-million EUR claims against members of a polyurethane foam cartel in Germany.

Representing a French advance materials manufacturer in a follow-on civil action arising out of a decision by the European Commission regarding participation in a cartel.

Representing a UK pharmaceutical company in the Court of Appeal in England in a challenge against the decisions of the Director General of Fair Trading and the Competition Commission Appeals Tribunal in relation to alleged abuse of dominant position by engaging in allegedly anti-competitive pricing of morphine tablets.

Representing a multinational chemical company based in Germany in follow-on litigation comprising several disputes against animal food producers and arising out of the EU Commission's investigation concerning secret market-sharing and price-fixing cartels relating to vitamin production. The total value of the disputes was in excess of EUR 100m.

Advising a global tech supplier in the automative industry, and separately, an investor, in relation to claims against members of a truck cartel in Germany. The total value of the claims in each instance was in excess of EUR 100m.

Representing several flour mills in follow-on litigation against multiple bread producers arising out of an investigation conducted by the EU Commission into the flour cartel anti-competitive practices involving price and market share manipulations. The total value of the disputes was in excess of EUR 100m.

Representing a multinational energy company specialising in oil & gas in multi-million GBP follow-on litigation in the High Court in London against several marine construction companies involved in an international price fixing conspiracy and arising out of the EU Commission's investigation into their anti-competitive practices.

Representing a European premium television channel in a dispute valued in excess of EUR 300m concerning alleged breaches of competition law relating to allocation rights for popular entertainment programmes.

Representing GibFibre Limited, a privately owned broadband operator, in a series of ground-breaking disputes against Gibtelecom, a wholly owned Government company and incumbent telecoms operator in Gibraltar, and its subsidiary, concerning relating to the issue of access by GibFibre's access to Gibtelecom's Data Centre. The disputes involve the first of its their kind challenges under Gibraltar Communications Act 2009 against the decisions of the Gibraltar Regulatory Authority, with appeals to the Judicial Committee of the Privy Council in London, as well asnd a c.EUR 20m damages claim by GibFibre arising out of allegations of an abuse of dominant position by Gibtelecom contrary to the EU law and (Gibraltar) Competition Act 2020.