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Julie Catala Marty

Julie Catala Marty

Partner

Paris

T: +33 (0) 1 44 17 77 95

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Biographie

Julie Catala Marty dirige le pôle de droit de la concurrence et de la distribution. Julie est également membre du Board du cabinet.

Elle intervient sur tous les aspects du contrôle des concentrations devant l’Autorité de la Concurrence et la Commission européenne, y compris des opérations transfrontalières complexes. En complément, Julie conseille ses clients en matière d'investissements directs étrangers et de subventions étrangères.

En contentieux, Julie assiste ses clients dans le cadre de procédures devant les autorités et juridictions nationales et communautaires, en matière d'ententes anticoncurentielles, d’abus de position dominante, de pratiques restrictives et de droit de la distribution. Elle dispose par ailleurs d’une expérience significative des problématiques relatives aux aides d’état, ainsi qu’en en matière de gestion des risques et de conception de programmes de conformité.

Julie traite également de problématiques règlementaires (devant l’ARCEP et l'ARCOM notamment).

Julie intervient dans des secteurs variés (industrie du luxe, industrie alimentaire, infrastructures). Elle dispose d’une grande expérience dans les secteurs des télécommunications et média.

Chaque année, Julie intervient en droit de la concurrence auprès des étudiants du Master Droit et Ethique des Affaires de l’Université de Cergy-Pontoise.

Engagements & distinctions

  • Legal 500 EMEA (France) 2026: Leading Partner in Competition and Distribution.

  • Chambers & Partners France 2026: Band 3 in Competition & EU Law.
  • The Best Lawyers in France™ 2027: Best Lawyer in European Union Law, Competition / Antitrust Law, Litigation and Regulatory Practice

     

  • Lexology Index 2026: Recommended in Competition

Affiliations professionnelles

  • Membre de l’APDC (Association des Avocats pratiquant le droit de la concurrence - Vice-Présidente)
  • Membre de l’AFEC (Association Française d’Etude de la Concurrence)
Julie Catala Marty fait preuve d'un grand talent, notamment dans les dossiers très complexes, tant par sa finesse juridique que par son analyse opérationnelle des besoins de ses clients.

Citation Client, Chambers & Partners France 2026, Competition/European Law

Admission au barreau

  • Paris
  • England & Wales (Registered Foreign Lawyer)

Compétences

  • Antitrust & Competition

  • Food & Agribusiness

  • UK & EU Class Actions

  • Investigations

  • Litigation & Dispute Resolution

  • Regulation, Compliance & Advisory

  • Real Estate

  • ESG Litigation

  • Healthcare & Life Sciences

  • Infrastructure

  • Sports, Media & Entertainment

  • Contract, Endorsement & Celebrity Representation

  • Sports & Event Venue Real Estate Infrastructure & Operation

  • Naming Rights & Sponsorship

  • Sports & Entertainment M&A

  • Entertainment Industry

  • Sports & Event Financing

  • Olympic & National Governing Bodies

  • Professional Sports Team Representation

  • Financial Institutions

  • ESG Governance, Compliance and Reporting

  • ESG & Energy Transition

  • Retail & Consumer Products

  • Franchise

  • Data Centers

  • Foreign Direct Investment

Ressources

Publications

[Interview] Option Droit & Affaires - Prises de participation étrangères : va-t-on vers une évolution de la législation actuelle ?- July 2026

[Article] CPI, Competition Policy International (anglais) - First Application by the French Competition Authority of the New Penalty Regime for Professional Associations - April 2026

[Article] Concurrences (anglais) - First Application by the French Competition Authority of the New Penalty Regime for Professional Associations - April 2026

[Article] LexisNexis, Cahiers de droit de l'entreprise - Contrôle des concentrations : nouvelles contraintes et défis pratiques pour les acteurs du M&A - October 2025

[Article] CPI, Competition Policy International (anglais) - Unsustainable Differences in Antitrust Treatment of Sustainability Agreements: 2025 Likely to Bring Significant Changes to How the U.S. and the EU Analyze Sustainability Issues - February 2025

[Article] La Lettre des Juristes d'Affaires - Concentration sous les seuils, quelle prévisibilité pour les entreprises ? - October 2024

[Article] Option Droit & Affaires - Contrôles des opérations de M&A : une multiplication des risques à anticiper - September 2024

[Interview] Les Echos - Capital Finance - Le projet de loi simplification impacte le M&A - Avril 2024

[Article] CPI Antitrust Chronicle (anglais) - Recent Developments in the Competition Authorities’ Activities in the Real Estate Sector in the EU and UK - Mars 2024

[Article] Practical Law, Thomson Reuteurs (anglais) - Competition Issues for Distribution and Supply Agreements in France - Juillet 2023

Actualités

Voir toutes les actualitésIcon: arrow

Sectors in focus
Sep 09, 2026

Data center complexity goes beyond grid connectivity

Power is the pivotal factor for data center viability. AI and high-performance computing have pushed demand into the hundreds of megawatts, capacity is scarce, and grid connection dates are extending over several years. Diligence must test the connection date, reinforcement dependencies, security requirements, curtailment rights, expansion capacity and cost. An accepted offer is not the same as an energized connection.
Sectors in focus
Sep 09, 2026

Data center tenancy agreements - Routes to stabilization

The convergence of data sovereignty, security, power, cooling, connectivity, service agreements and AI-driven operational demands is transforming the traditional data center lease or co-location agreement into a hybrid instrument. Part real estate contract, part technology service agreement. This trend reflects the complexity of projects, number of stakeholders involved, and the pace of technological change. 
Sectors in focus
Sep 09, 2026

Growing data center disputes risk

The construction phase remains the most common source of high-value disputes in data center projects, and disputes here can disrupt delivery schedules, undermine revenue projections and strain key commercial relationships well beyond the immediate cost of the underlying issue. As builds become more complex, this risk escalates further. 
Sectors in focus
Sep 09, 2026

Hybrid power platform - The advantage of integration

The most advanced data center projects are moving beyond simply connecting to power and toward becoming integrated energy platforms in their own right — co-locating dedicated generation and storage with the data center itself. Here’s what you need to know. 
Sectors in focus
Sep 09, 2026

The new dynamics of data center site selection

With greenfield land limited and grid connection timelines long, developers are widening their search for data center sites, crossing borders and acquiring land previously considered too compromised to be viable. Developers are buying infrastructure platforms rather than merely acquiring and remediating contaminated land. 

Actualités

Sectors in focus
Sep 09, 2026
A comparative guide to the changing planning landscape for data centers
Sectors in focus
Sep 09, 2026
Compounding complexity in the data center build phase
Sectors in focus
Sep 09, 2026
Data center complexity goes beyond grid connectivity
Power is the pivotal factor for data center viability. AI and high-performance computing have pushed demand into the hundreds of megawatts, capacity is scarce, and grid connection dates are extending over several years. Diligence must test the connection date, reinforcement dependencies, security requirements, curtailment rights, expansion capacity and cost. An accepted offer is not the same as an energized connection.
Sectors in focus
Sep 09, 2026
Data center tenancy agreements - Routes to stabilization
The convergence of data sovereignty, security, power, cooling, connectivity, service agreements and AI-driven operational demands is transforming the traditional data center lease or co-location agreement into a hybrid instrument. Part real estate contract, part technology service agreement. This trend reflects the complexity of projects, number of stakeholders involved, and the pace of technological change. 
Sectors in focus
Sep 09, 2026
Growing data center disputes risk
The construction phase remains the most common source of high-value disputes in data center projects, and disputes here can disrupt delivery schedules, undermine revenue projections and strain key commercial relationships well beyond the immediate cost of the underlying issue. As builds become more complex, this risk escalates further. 
Sectors in focus
Sep 09, 2026
How to price grid uncertainty in data center energy contracts
Sectors in focus
Sep 09, 2026
Hybrid power platform - The advantage of integration
The most advanced data center projects are moving beyond simply connecting to power and toward becoming integrated energy platforms in their own right — co-locating dedicated generation and storage with the data center itself. Here’s what you need to know. 
Sectors in focus
Sep 09, 2026
The new dynamics of data center site selection
With greenfield land limited and grid connection timelines long, developers are widening their search for data center sites, crossing borders and acquiring land previously considered too compromised to be viable. Developers are buying infrastructure platforms rather than merely acquiring and remediating contaminated land. 
News
Jun 10, 2026
The Best Lawyers in France 2027