Sophie Vaillant is a Senior Associate based in RBB’s Paris office, where she has worked since 2024. She holds a master’s degree from ENSAE Paris, where she specialized in Economics, Data Science and Econometrics.
Since joining RBB Economics, Sophie has advised high-profile clients on a wide range of competition matters before the European Commission, the French competition authority, other national regulators and commercial courts.
A French national, Sophie is fluent in French and English.
Her experience includes mergers, abuse of dominance and vertical restraints. Sophie’s sectoral experience covers online advertising, digital platforms, packaging and luxury tea.
Sophie has advised clients such as Google, International Paper and Mariage Frères among others.
Selected Cases
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Google (Ad Tech)
Follow-on damages from abuse of dominance, France
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International Paper/DS Smith
Merger, EU & Multi-jurisdictional
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Mariage Frères
Vertical restraints, France
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