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Marco D'Ostuni
Lawyers profile
Europe 2025
Lawyers profile | Europe 2025: Competition/European Law, TMT: Telecommunications
Marco D'Ostuni
Ranked in 2 Practice Areas
2

Band 2

Competition/European Law

Italy

18 Years Ranked

2

Band 2

TMT: Telecommunications

Italy

16 Years Ranked

About

Provided by Marco D'Ostuni

Europe

Practice Areas

Marco has assisted large multinational companies in complex competition law matters, proceedings and litigation before European and national competition authorities, in European courts and in Italian civil and administrative courts. He also deals with European and Italian regulation of telecommunications, energy and media.

Career

Marco D'Ostuni joined the Firm as Partner in 2024. Since 2025 he is Head of the "European Law & Antitrust" Practice Area.

Professional Memberships

Member of the Roma Bar (Italy), 2001

Member of the Roma Bar (Italy), 2003

Chambers Review

Provided by Chambers

Chambers European Guide

Competition/European Law - Italy

2
Band 2
Individual Editorial

Marco D'Ostuni has a strong focus on representing clients in appeals against authority decisions. He further acts on the initial investigation into allegations of anti-competitive behaviour and on subsequent follow-on damages actions. He has additional experience in merger clearance mandates. He joined Chiomenti in September 2024.

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TMT: Telecommunications - Italy

2
Band 2
Individual Editorial

Marco D'Ostuni is a skilled lawyer who stands out for his expert handling of contentious mandates, which include damages claims and competition disputes in the telecoms sector. He notably assists major domestic telecom providers.

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