Claudia Berg is a partner in the London office. Prior to joining the firm, Claudia served as General Counsel of the UK Information Commissioner’s Office (ICO), and as Senior Legal Director for Antitrust Enforcement at the UK Competition & Markets Authority (CMA).
Claudia advises on all aspects of antitrust law, digital regulation and related litigation. Drawing on her considerable experience at the CMA and the ICO, her practice covers the full range of behavioural issues, merger control, government investigations and litigation, and the intersection of antitrust and privacy law. Claudia has strong experience in the technology and life sciences sectors.
As General Counsel of the ICO from 2021-2024, Claudia headed up the ICO Legal Service, oversaw the ICO’s litigation portfolio, and advised the Information Commissioner and the Board. During her time, she oversaw high-profile investigations into issues ranging from children’s privacy to AI. At the CMA, from its inception in 2014, she led a large team of antitrust attorneys working on the largest and most complex antitrust matters at the CMA, including successfully defending its decisions in the Courts. During Claudia’s tenure, the CMA’s strategic focus was on antitrust issues in the life sciences and tech sectors such as excessive pricing, pay for delay, information exchange, market sharing, multi-party concerted practices, parental liability, and most favoured nation clauses. Claudia worked closely with antitrust authorities in Europe, the US and throughout the world to co-ordinate investigations. She also regularly represented the CMA and the ICO at key international organisations, such as the International Competition Network and the Global Privacy Assembly.
Claudia advises on the critical intersection between antitrust and privacy, counselling clients on digital regulation in Europe (including the EU Digital Markets Act (DMA) and the UK’s Digital Markets, Competition and Consumers Act (DMCC)), data protection, and AI.
Prior to the CMA, Claudia worked at a leading global law firm advising clients on all aspects of EU and UK merger control and conduct issues.
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