Avv Marco D'Ostuni > Chiomenti > Rome, Italy > Lawyer Profile

Chiomenti
VIA XXIV MAGGIO, 43
00187 ROME
Italy
Marco D'Ostuni photo

Work Department

Partner - EU Law and Antitrust

Position

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.

Languages

Italian, English, French, Spanish

Memberships

2001, Member of the Rome Bar (Italy)
2003, Admitted to New York State Bar
2013, Admitted to practice before the Supreme Court, Italy

Education

Graduated in Law, With Honours University of Naples Federico II, 1996
LL.M., Advanced European Legal Studies College of Europe (Bruges,  Belgium), 1998
LL.M. Columbia Law School (New York), 2000
Ph.D, Competition Law University of Perugia, 2007

Lawyer Rankings

Italy > Administrative and public law

Regularly acting on behalf of large Italian and multinational companies in litigation before the administrative courts, Cleary Gottlieb Steen & Hamilton‘s multi-practice team assists with regulatory issues including public procurement, public tenders, authorisations and permits within the telecoms and media sectors, as well as in the transport, pharmaceutical and energy industries. A key contact in these areas is Marco Zotta, whose broad practice focuses on litigation before Italian administrative courts, routinely representing telecoms and life sciences clients. Competition law specialist Marco D’Ostuni is also active in regulation issues in the energy, telecoms and media fields.

Italy > Industry focus: Energy

Cleary Gottlieb Steen & Hamilton LLP continues to advise clients on a broad range of energy-related matters, ranging from acquisitions and regulatory matters to complex litigation and investigations. Key contacts include antitrust law specialist Matteo Beretta; Marco D’Ostuni, whose practice focuses on competition law and regulation in the energy sector; and Roberto Bonsignore, who primarily advises clients on deals involving oil, gas, petrochemicals, biofuels and renewable energy.

Italy > Industry focus: TMT

With a specialism in antitrust law and regulation, Cleary Gottlieb Steen & Hamilton LLP’s team is equipped to advise Italian and multinational media, telecoms and technology companies on a wide range of legal matters, spanning commercial and regulatory advice, M&A transactions and litigation before the European Commission and the Italian Antitrust Authority. Competition law expert Marco D’Ostuni notably advises major companies in the telecommunications and media sectors, while Gianluca Faella is routinely engaged by electronic communications operators. Merger control expert Matteo Beretta is another name to note.

Italy > EU and competition law

(Leading partners)

Marco D’Ostuni – Chiomenti

Chiomenti’s team of experienced practitioners provides comprehensive assistance in both national and EU competition law matters, spanning abuses of dominant position, cartels, and merger notification cases before the Italian Competition Authority and the EU Commission. Here is litigation specialist Marco Serpone the key contact. State aid proceedings, public procurement and concessions also belong to the team’s expertise, and represent Guido Bellitti’s practice focus. Further core workflows include assisting clients in disputes before civil and administrative courts on issues related to unfair business practices and abuse of economic dependence; an area in which EU and Italian competition law specialist Cristoforo Osti and Alessandra Prastaro are particularly active. Gian Michele Roberti is noted for his expertise in advising multinational groups and industrial and professional associations spanning the manufacture, banking, maritime, rail, and air transport sectors on both national and EU-level proceedings, while Patrick Actis Perinetto focuses on the pharmaceutical sector. Since publication, Marco D’Ostuni joined the firm.