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Class Action United Kingdom UK Competition Appeal Tribunal (CAT)

A class action is a type of legal action where a representative individual or group of individuals can bring a claim on behalf of a larger group or class who share a common legal interest.
Cooley LLP

UK government reviews opt-out class actions regime – a decade in – time for a change?

Cooley LLP on

The UK government has launched a review into the opt-out collective actions regime for antitrust law claims. This review comes a decade after the regime’s launch. During this period, the regime has developed significantly,...more

Morrison & Foerster LLP

Class Action Landscape 2025: Mid-Year Trends and Developments

Over the past decade, changes in legislation, case law, and industry practices have driven a sharp increase in opt-out collective proceedings before the UK’s Competition Appeal Tribunal (“CAT”). We have also seen the English...more

Herbert Smith Freehills Kramer

Certification Tracker of UK Competition Class Actions (CPO Applications) Filed at the Competition Appeal Tribunal

The graphic below tracks the number of competition class actions (CPO applications) filed at the Competition Appeal Tribunal (CAT) since the introduction of a new 'opt-out' regime in the UK in October 2015, as well as the...more

Mayer Brown

Court of Appeal Upholds CAT Judgment in dismissing BT Landline Pricing Class Action

Mayer Brown on

On 1 August 2025, the Court of Appeal handed down its landmark judgment in Le Patourel v BT1 refusing the class representative permission to appeal the Competition Appeal Tribunal's ("CAT") dismissal of the opt-out class...more

Hogan Lovells

UK Competition Litigation Quarterly Update: Q2 2025

Hogan Lovells on

We’re halfway through 2025 and there’s plenty to talk about when it comes to competition litigation. In this edition of UK Competition Litigation Quarterly, our lawyers highlight five significant developments from the past...more

Herbert Smith Freehills Kramer

Certification tracker of UK competition class actions (CPO applications) filed at the Competition Appeal Tribunal We outline the...

The graphic below tracks the number of competition class actions (CPO applications) filed at the Competition Appeal Tribunal (CAT) since the introduction of a new 'opt-out' regime in the UK in October 2015, as well as the...more

Hogan Lovells

UK Competition Litigation Quarterly Update: Q1 2025

Hogan Lovells on

It’s been a busy start to 2025 at the Competition Appeal Tribunal, with several key cases and procedural updates shaping the landscape of UK competition litigation. In this edition of UK Competition Litigation Quarterly, our...more

Hogan Lovells

Court of Appeal’s decision enables Trucks class action to proceed in the Competition Appeal Tribunal

Hogan Lovells on

In a reasoned order in January 2025, the Court of Appeal refused DAF Trucks permission to appeal against certification in the Trucks collective proceedings, deferring to the discretion of the Competition Appeal Tribunal in...more

White & Case LLP

Justin Le Patourel v BT Group Plc: Failure for the UK’s first opt-out class action

White & Case LLP on

In its 19 December 2024 judgment, the Competition Appeal Tribunal (CAT) unanimously rejected Mr Le Patourel’s excessive pricing claim against BT. This was the UK’s first opt-out collective action to proceed to trial, and will...more

Hogan Lovells

UK competition class actions: first claim to go to trial dismissed

Hogan Lovells on

In a long-awaited judgment handed down on 19 December 2024, the Competition Appeal Tribunal (“CAT”) unanimously dismissed the claim brought by Justin Le Patourel against BT Group Plc (“Le Patourel v BT”). As the first UK...more

Cooley LLP

Tech Class Actions: The Headlines from across Europe

Cooley LLP on

For our Cooley colleagues in the US, defending class actions against technology platforms has been a part of their day-to-day for many years. However, the need for class action defence lawyers is spreading rapidly to the UK...more

BCLP

Claim To Fame - Mass Litigation: what key trends should financial services firms be aware of in 2024?

BCLP on

As we have explored in our Class Actions series, the popularity of mass claims in the English courts continues to grow. Such claims represent a substantial threat to financial institutions but, at the same time, we are also...more

Skadden, Arps, Slate, Meagher & Flom LLP

Fierce Competition Podcast | Letter From London: The Rise of UK Class Actions and the Competition Appeal Tribunal

This episode of our “Fierce Competition“ podcast looks at trends across the pond in class actions in the U.K. and focuses on the country’s new tribunal that was created specifically to hear class actions....more

BCLP

After PACCAR: a New Approach to Funding Collective Proceedings in the CAT

BCLP on

In the first certification decision since the UK Supreme Court’s judgment in PACCAR, the CAT has held that a litigation funding agreement (LFA) revised in light of PACCAR was not a damages-based agreement (DBA) and it was...more

BCLP

Unsettled Settlement: Resolving Collective Actions in the Competition Appeal Tribunal

BCLP on

Generally, claims in the UK (including class actions) can be settled without court approval. Settlement is particularly important in competition damages claims, given the complexity, uncertainty and cost of litigating these...more

BCLP

PACCAR: a new direction for the funding of class actions?

BCLP on

The Supreme Court’s decision in R (on the application of PACCAR Inc and others) (Appellants) v Competition Appeal Tribunal and others (Respondents) [2023] UKSC 28 has caused a stir in the legal industry, leaving a number of...more

BCLP

Certification of Collective Actions in the CAT

BCLP on

To bring a collective competition action in the Competition Appeal Tribunal (“CAT”), a proposed class representative first has to have their claim certified by the CAT. The CAT’s approach to certification is therefore an...more

BCLP

Counting the costs of certification: the allocation of costs in collective proceedings

BCLP on

Costs matter - in collective proceedings, where costs can be staggeringly high at the certification stage alone, costs allocation can be an important factor influencing parties’ litigation conduct. However, costs...more

Skadden, Arps, Slate, Meagher & Flom LLP

UK Class Actions: FX Decision Shows That the CAT Is Willing To Strike Out Poorly Pleaded Claims and Deny Opt-Out Certification

The CAT is willing to consider strike-out seriously at the certification stage. The CAT considered striking out the claims of its own motion, and warned the proposed class representatives that they should consider...more

Epiq

Competition Class Action Moves Forward in UK

Epiq on

Historically, class action lawsuits were primarily tied to the U.S. With the exceptions of Canada, Australia, and a few others, most countries around the globe did not embrace this legal recovery mechanism as freely and...more

Skadden, Arps, Slate, Meagher & Flom LLP

UK Class Actions Update: Merricks Secures Uncontested CPO, But the Competition Appeal Tribunal Shows It Retains Significant Teeth...

After protracted challenges to class certification status, in Merricks v Mastercard the U.K. Competition Appeal Tribunal (CAT) granted its first collective proceedings order (CPO). The claim remains huge, comprising 46.2...more

Akin Gump Strauss Hauer & Feld LLP

Merricks v Mastercard: U.K. Competition Appeal Tribunal Gives Green Light for First Ever ‘Opt-out’ Class Action

Key Takeaways - The United Kingdom’s Competition Appeal Tribunal (CAT) recently granted the U.K.’s first ever Collective Proceeding Order (CPO), on an “opt-out” basis, in Walter Hugh Merricks CBE v Mastercard Incorporated &...more

BCLP

Certified Progress for the UK’s Collective Actions Regime - the First Opt-Out Class Action has been Approved

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This week has seen a major breakthrough in the UK’s fledgling class action regime, which brought opt-out collective proceedings to the UK for the first time back in 2015. The first opt-out collective action has now been...more

Alston & Bird

Across the Horizon: Growing Class Action Risks in the UK and EU

Alston & Bird on

Class actions aren’t just for U.S. courts anymore. Our Litigation Group explores the potential for transatlantic class action liability and the growth of collective redress throughout the UK and EU....more

Skadden, Arps, Slate, Meagher & Flom LLP

Merricks v Mastercard – UK Supreme Court Clarifies Low Bar for Class Action Certification

On 11 December 2020, the U.K. Supreme Court (the Court) handed down its much-awaited ruling in Merricks v Mastercard, dismissing Mastercard’s appeal against the English Court of Appeal’s April 2019 decision in a 3-2 ruling....more

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