United Kingdom: Antitrust/Competition Law

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Competition Law and Antitrust Law articles and thought leadership, podcasts, videos and webinars from expert sources across the legal world. Explore articles covering topics that involve competition and antitrust law from specialists working in this area every day.

Caught Offside In The Penalty Box: The CMA Issues Another Large Financial Penalty

The Competition and Markets Authority has issued another substantial financial penalty for non-compliance. This case examines the circumstances that led to the enforcement action and what it means for businesses operating...

United Kingdom Anti-trust

LS

Lewis Silkin

Moving At Pace: The CMA’s Use Of New UK Consumer Protection Powers And What To Expect In Year 2

In April 2025, the Competition and Markets Authority (CMA) acquired new powers to enforce consumer rights under the Digital Markets, Competition and Consumers Act 2024 (DMCCA).

United Kingdom Anti-trust

AP

Arnold & Porter

Getting Down To Business? CMA Opens Investigation Into Microsoft’s Business Software Ecosystem

The UK's Competition and Markets Authority has launched a strategic market status investigation into Microsoft's business software ecosystem, examining whether the tech giant holds substantial and entrenched market power across its productivity suite, operating systems, and security tools. The investigation will scrutinize Microsoft's commercial practices, technical design choices, and potential leveraging of market dominance into adjacent markets like cloud services, with the possibility of imposing bespok

United Kingdom Anti-trust

M

Macfarlanes LLP

Licensing Innovation: Inside The EU's New TTBER Regime

Technology transfer agreements are contracts through which one party authorizes another to use or commercialize technology under defined conditions

United Kingdom Anti-trust

SJ

Steptoe LLP

Revised EU Technology Transfer Block Exemption Regulation And Guidelines

United Kingdom Anti-trust

W

WilmerHale

Competition Law Update - June 2026

United Kingdom Anti-trust

M

Macfarlanes LLP

CMA's Draft Revised Merger Efficiencies Guidance: Five Key Takeaways

United Kingdom Anti-trust

KL

Herbert Smith Freehills Kramer LLP

Deckers v Up & Running: redrawing the boundaries of object infringements in distribution systems The Court of Appeal has handed down its judgment in Deckers UK Limited v Up & Running (UK) Limited, unanimously overturning the... Article 9 June 2026

United Kingdom Anti-trust

M

Macfarlanes LLP

The Year In UK Mergers: Trends And Highlights From 2025/26

United Kingdom Anti-trust

M

Macfarlanes LLP

The Updated Technology Transfer Block Exemptions: Modernisation, Not Overhaul

United Kingdom Anti-trust

M

Macfarlanes LLP

Court Of Appeal Overturns CAT Ruling In Selective Distribution Case

United Kingdom Anti-trust

LS

Lewis Silkin

Cleared For Take-Off: The CAT Dismisses Fourth Subsidy Control Challenge Relating To A £205 Million Subsidy To Cardiff International Airport Limited

United Kingdom Anti-trust

N

NERA

The Rules Are Changing: European Merger Control At A Crossroads

United Kingdom Anti-trust

MB

Mayer Brown

EU Industrial Policy How It Is Developing And How To Contribute

European Union Anti-trust

KL

Herbert Smith Freehills Kramer LLP

UKREiiF 2026 Recap: Where The Smart Money Is Moving For Living 2026 (Video)

United Kingdom Real Estate

WB

Womble Bond Dickinson

A Global View Of International Arbitration Trends With Gary Born (Podcast)

United Kingdom Litigation

W

WilmerHale

No-Fault Evictions Are Ending - What Tenants Need To Know (Video)

United Kingdom Real Estate

DL

Duncan Lewis & Co Solicitors

FinTech Global FS Regulatory Round-up - W/e 5 June 2026

Worldwide Technology

KL

Herbert Smith Freehills Kramer LLP

Capitalising On Dislocation And Complexity - Opportunistic Credit In 2026

United Kingdom Finance

M

Macfarlanes LLP

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Related Country Guides

Antitrust, EU Competition

Caught Offside In The Penalty Box: The CMA Issues Another Large Financial Penalty

The Competition and Markets Authority has issued another substantial financial penalty for non-compliance. This case examines the circumstances that led to the enforcement action and what it means for businesses operating...

United Kingdom Anti-trust

LS

Lewis Silkin

Moving At Pace: The CMA’s Use Of New UK Consumer Protection Powers And What To Expect In Year 2

In April 2025, the Competition and Markets Authority (CMA) acquired new powers to enforce consumer rights under the Digital Markets, Competition and Consumers Act 2024 (DMCCA).

United Kingdom Anti-trust

AP

Arnold & Porter

You Didn’t Tick It, You Shouldn’t Pay It: CMA Targets Online Add‑ons

You may remember that in November last year, the Competition and Markets Authority (CMA) launched a 'major consumer protection' enforcement drive targeting eight businesses over concerns about price transparency.

United Kingdom Consumer

GW

Gowling WLG

Getting Down To Business? CMA Opens Investigation Into Microsoft’s Business Software Ecosystem

United Kingdom Anti-trust

M

Macfarlanes LLP

Licensing Innovation: Inside The EU's New TTBER Regime

United Kingdom Anti-trust

SJ

Steptoe LLP

Pay To Parent? Ryanair’s Family Fees Hit Turbulence

United Kingdom Consumer

GW

Gowling WLG

Revised EU Technology Transfer Block Exemption Regulation And Guidelines

United Kingdom Anti-trust

W

WilmerHale

Competition Law Update - June 2026

United Kingdom Anti-trust

M

Macfarlanes LLP

CMA's Draft Revised Merger Efficiencies Guidance: Five Key Takeaways

United Kingdom Anti-trust

KL

Herbert Smith Freehills Kramer LLP

See more

Cartels, Monopolies

Old Economy, Old Rules: Bronner Doctrine Survives Lukoil Test

The strict criteria laid down in the EU Court of Justice's (CJEU) landmark Bronner judgment have often been deployed by dominant firms as a "shield" when facing accusations of acting abusively by blocking competitors from using or accessing their assets.

United Kingdom Anti-trust

M

Macfarlanes LLP

Q1 2026 Transport M&A Review: Deal Activity Inflects Upward As Strategic Buyers Consolidate A Still Oversupplied Freight Market

Freight transport M&A showed signs of recovery in Q1 2026, with deal volume rising approximately 5% and capital concentrating in larger strategic transactions. North American activity surged back to pre-Liberation Day levels, while geopolitical risks and structural oversupply continued to reshape buyer strategies and underwriting models across the sector.

United Kingdom Commercial

A

AlixPartners

Private Equity In Sports – What Is Prompting The Boom In Investment?

Over the past two decades, the value of sports franchises and related assets has skyrocketed, with rapid revenue growth across various commercial streams including the more traditional broadcasting and sponsorship (both now of course more global than ever), to new commercial tie ups and off field year round monetisation of stadia. While the skyrocketing valuations have prompted some commentators to argue that we could be witnessing the formation of a "sports bubble", this does not seem correct to us.

United Kingdom Commercial

TS

Travers Smith LLP

Global Cartel Fines Surge To Highest Level Since 2021

United Kingdom Anti-trust

AO

A&O Shearman

Global Antitrust Enforcement Report Published

United Kingdom Anti-trust

AO

A&O Shearman

Brussels Regulatory Brief: November/December 2025–January 2026

European Union Anti-trust

KG

K&L Gates LLP

When Hiring Becomes Collusion: What Employers Need To Know About The CMA's 'Competing For Talent' Guidance

United Kingdom Anti-trust

BL

Buckles Law

Beyond The Model: What UK And German Courts Expect From Economic Experts In Cartel Damages Litigation

United Kingdom Anti-trust

A

AlixPartners

Cartel Intel – Updates From Our Global Network

Worldwide Anti-trust

KL

Herbert Smith Freehills Kramer LLP

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Trade Regulation & Practices

UK Businesses, Take Note: The UK Consumer Law Regulator Exercises New Consumer Enforcement Powers For The First Time

The UK Competition and Markets Authority has exercised its new enforcement powers under the Digital Markets, Competition and Consumers Act 2024 for the first time, imposing a £4.2 million penalty on The AA for drip pricing practices.

United Kingdom Anti-trust

GT

Greenberg Traurig, LLP

Consumer Law: £4.2m Fine On AA Shows CMA Means Business

The Competition and Markets Authority has issued its first infringement decision under the UK's new consumer enforcement regime, fining the AA £4.2 million for misleading pricing practices and requiring substantial consumer refunds. This landmark case signals a fundamental shift in UK consumer protection enforcement, with businesses now facing significantly tougher penalties including fines up to 10% of turnover and mandatory consumer redress schemes.

United Kingdom Anti-trust

TS

Travers Smith LLP

Merger Control Comparative Guide

Merger Control Comparative Guide for the jurisdiction of UK, check out our comparative guides section to compare across multiple countries

United Kingdom Anti-trust

Md

Mishcon de Reya

When Will EU Law Apply After Brexit?

European Union Government

Sa

Shepherd and Wedderburn LLP

Avoiding Supplier Lock-In And Data Lock-Out (Video)

United Kingdom Commercial

KI

Kemp IT Law

Preparations For Post-Brexit UK State Aid Regime

United Kingdom International

HL

Hewitsons LLP

Hard Or Soft Brexit: What Happens To Merger Reviews?

European Union Anti-trust

AP

Arnold & Porter

UK Competition Appeal Tribunal Confirms Ban On Online Sales Is Inherently Restrictive Of Competition

United Kingdom Anti-trust

CL

Cooley LLP

European Commission Opens Phase II Investigation Into Proposed Acquisition Of Alstom By Siemens

European Union Anti-trust

S

Shoosmiths

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Latest Videos

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AI And Competition Law: A New Paradigm (Video)

NR

Norton Rose Fulbright Hong Kong

Let's Talk Antitrust: UK Merger Control Reforms (Video)

NR

Norton Rose Fulbright Hong Kong

Subsidy Control In The UK (Video)

GW

Gowling WLG

Competition Law In The Supply Chain - ThinkHouse (Video)

GW

Gowling WLG

Podcast: Practical Implications Of Negotiating And Drafting Patent Settlements (Video)

B

Bristows

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