Callum Renton is a Senior Associate based in RBB's London office, having joined the firm in 2022. Since joining RBB, he has advised clients on a wide range of competition and regulatory matters.
Callum holds a BSc in Econometrics and Mathematical Economics and an MSc in Economics, both from the London School of Economics and Political Science.
He has advised clients on a variety of competition matters before courts and competition authorities across multiple jurisdictions, including the EU, the UK, and France.
Callum's experience covers merger investigations, follow-on damages, and abuse of dominance cases. He has provided economic evidence before the European Commission, the Competition and Markets Authority (CMA), and the Competition Appeal Tribunal (CAT).
Callum has worked across multiple sectors, including fast-moving consumer goods, software, insurance, transport, and pharmaceuticals.
Selected Cases
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High-profile joint venture
Merger, EU & UK
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Major FMCG manufacturer
Merger, EU
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Salesforce/Informatica
Merger, Multi-jurisdictional
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Aviva/Direct Line
Merger, UK
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International Paper/DS Smith
Merger, EU
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Trucks cartel
Follow-on damages litigation, UK
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Pfizer v. the CMA
Alleged abuse of dominance, UK
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