Siobhan L.M. Kahmann

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Siobhan L.M. Kahmann has extensive experience advising on a range of competition issues, including cartel investigations and leniency applications, complex vertical distribution issues, European and multi-jurisdictional merger control filings, abuse of dominance claims, and competition compliance. Her practise includes providing wide-ranging and detailed advice on digital platforms and e-commerce in a competition context.

Latest Articles

In October, the UK’s Competition and Markets Authority (CMA) imposed a fine of 1.6 million GBP for a land agreement which it found to infringe competition law. This is the first time that the CMA has taken enforcement action and issued a fine in relation to a land agreement, despite such agreements having been covered by the Chapter 1 prohibition (the UK equivalent of Article 101 TFEU) since 2011. The imposition of the fine, together…
Following an informal consultation earlier this year – as covered by our previous IoT Update here – the UK’s Department for Digital, Culture, Media and Sport (“DCMS”) published the final version of its Code of Practice for Consumer IoT Security (“Code”) on Oct. 14, 2018. This was developed by the DCMS in conjunction with the National Cyber Security Centre, and follows engagement with industry, consumer associations, and academia. The aim of the Code is to…
On the 10th October 2018, BEREC (the Body of European Regulators for Electronic Communications) launched its public consultation on the ‘Data Economy’. This comes at a time when different regulators are increasingly discussing the importance of big data, including the opportunities and risks that it brings about, how these may evolve, and how (and increasingly who should take the responsibility) to regulate. While the data protection and competition authorities have so far been most vocal…
On the 10th October 2018, BEREC (the Body of European Regulators for Electronic Communications) launched its public consultation on the ‘Data Economy’. This comes at a time when different regulators are increasingly discussing the importance of big data, including the opportunities and risks that it brings about, how these may evolve, and how (and increasingly who should take the responsibility) to regulate. While the data protection and competition authorities have so far been most vocal…
The European Commission (“Commission”) recently fined Denon & Marantz, Asus, Pioneer and Philips (the “Individual Parties”) a total of EUR 111 million for restricting the ability of online retailers to set retail prices for their products – a hard-core restriction under EU competition law known as “resale price maintenance” or “RPM” (the “Infringement Decisions”). These Infringement Decisions are noteworthy because: (i) they are the first e-commerce infringement decisions since the Commission’s 2017 Final…
On 25 September 2018, Covington’s Johan Ysewyn and Jim O’Connell will speak on cartels and merger enforcement, respectively, at the 12th Annual Georgetown Global Antitrust Enforcement Symposium in Washington DC. This Symposium serves as a leading forum for in-house and outside counsel, policymakers, corporate executives, economists and academics to discuss the most recent issues in competition law and policy.…
The UK Government published its highly-anticipated technical guidance on merger review and anti-competitive activity on 13 September 2018 which will apply in the case of a ‘no-deal’ Brexit (the ‘Guidance’). Although brief, it provides market players with some form of practical advice and insights on what to expect, how cases are likely to be divided between the EU and UK regimes, how UK competition law will develop, and suggests in what ways post-Brexit competition damages…
The Financial Conduct Authority (“FCA”) has published its third Annual Competition Report which focusses on its proposals for promoting competition and innovation, particularly with respect to the impact of FinTech on UK financial services. It also addresses the FCA’s ongoing role in supporting the UK Government prepare for Brexit, and uphold an orderly transition as part of the withdrawal process – avoiding any cliff edges – for UK financial markets.…
The UK Payment Systems Regulator (PSR) has announced its intention to carry out a market review into the supply to merchants of card-acquiring services by financial services providers. In this Covington Alert, my colleagues Louise Freeman, Charlotte Hill and Elaine Whiteford look at the powers the PSR holds, why the review has been initiated and possible outcomes, as well as commenting on the increasing use of competition powers by sectoral regulators. Access the alert here.
More than 20 years after the adoption of the first European Commission Leniency Notice, the detection and sanctioning of cartels remains a key feature of the enforcement agenda of the European Commission and – the currently still 28 – European Union national competition authorities. Leniency programmes are a crucial tool in uncovering cartels, with a large majority of cartel decisions adopted by European competition authorities based on immunity and leniency applications. But for how long? Read…