Siobhan Kahmann

Covington & Burling (Brussels)
Senior Associate

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. She also has significant experience advising on net neutrality issues with a focus on zero-rating. Ms. Kahmann is frequently involved with client work and insights on Brexit. Ms. Kahmann has advised local and multi-international clients across a range of industries, with a focus on technology, transport, and FMCG.


Linked authors

Covington & Burling (London)
Covington & Burling (Brussels)


361 Bulletin

1661 Review

Johan Ysewyn, Siobhan Kahmann The decline and fall of the leniency programme in Europe


The authors explore the reasons behind the reduction in immunity applications for cartels in Europe. This confirms the Commission’s reliance on immunity applications to uncover cartels, discusses the features of the current regime for applicants in detail, and assesses whether the benefits and (...)

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