About
Pascale Déchamps is a Partner at Accuracy, specialising in competition economics, digital regulation and high-stakes investigations.
She advises companies and their legal counsel on merger control, antitrust investigations and State aid matters, including in complex and contentious situations. She is regularly involved in litigation and expert testimony, bringing rigorous economic analysis to support clients before competition authorities and courts.
Pascale has a particular focus on digital and technology-driven sectors, where competition issues increasingly intersect with data, platforms and emerging regulatory frameworks.
Drawing on her experience as Rapporteure Générale Adjointe at the French Competition Authority, she provides clients with a practical understanding of enforcement priorities, investigative dynamics and decision-making processes.
She also contributes to broader reflections on the evolution of digital regulation, AI-related issues and the role of competition policy in strategic sectors, helping clients anticipate regulatory developments and assess their business implications.
Pascale speaks fluent French and English.
Qualification
- Executive MBA (HEC, France).
- Post-graduate diploma in competition law (King’s college, UK).
- Msc in Economics (LSE, UK).
- Msc in Econometrics and statistics (TSE, France).
Rankings
In-depth expertise
Antitrust investigations
- Assisting clients in antitrust investigations (for cartel behaviour and abuse of dominant position), including economic analysis and defense strategy.
- Providing expert reports to competition authorities explaining economic mechanisms at play and likely impact of the alleged practices.
- Supporting clients that may be in a dominant position in assessing regulatory risk in evolving policy environments.
Merger control & high-stake transactions
- Assisting clients in merger control proceedings, including economic analysis, notification strategy and remedy design.
- Advising on the interaction between M&A and regulatory constraints, particularly in sectors subject to increased scrutiny (digital, telecom, renewables, infrastructure).
- Supporting clients in assessing regulatory risk and transaction feasibility in evolving policy environments.
Quantification of damages
- Providing expert advice on the existence or absence of a link of causality between an anticompetitive practice (cartel, abuse of dominant position, unfair competition) and harm incurred by a potential victim.
- Computing damages incurred by the potential victim of an anticompetitive practice using econometric analysis and other relevant techniques.
Digital markets, data & expanding regulation
- Analysing competition issues in platform-based and data-driven markets, including market power, access and ecosystem dynamics.
- Advising clients on the implications of new regulatory frameworks affecting digital sectors.
- Bringing insight into how competition enforcement, ex ante regulation and technological developments (including AI) interact.
State aid, FSR & public policy
- Supporting clients in State aid and foreign subsidy assessments, both for beneficiaries and third parties.
- Analysing public interventions and their competitive impact, in increasingly scrutinised sectors.
- Advising on the intersection between State aid, industrial policy and broader regulatory objectives.
Example of engagements
- Advised a company subject to unilateral contractual changes imposed by a dominant software company in the context of contractual renewal and litigation: advising on litigation strategy, establishing dominance, demystifying contract terms, characterising the abuse, computing the overcharge.
- Provided financial and economic advice to non-European companies subject to FSR investigations by the Commission: determination of existence of subsidies and likelihood of market distortions.
- Established causality link and computed damages incurred by a victim of a dominant firm fined by the French competition authority for an abuse of dominant position in the health sector.
- Advised the merging parties in a large retail transaction involving several hundreds catchment areas: pre-merger assessment of likely merger control risk to forecast likely divestments, notification support with analyses for all catchment areas, continuous support during the investigation by the French competition authority until clearance with limited remedies.
- Advised a start-up facing refusal to supply by a dominant company in a context of circular economy: negotiation and litigation options, economic assessment of causality and potential damage claim.
- Established causality link and computed damages incurred by a victim of a group of companies fined by the French competition authority for cartel behaviour in public procurement.
- Provided financial and economic expert advice in front of the Commission and the General Court in a State aid case in favour of a large energy company.