Chiomenti supports domestic and international clients in proceedings before the Italian Competition Authority and the EU Commission over abuse of dominant position issues and merger notifications. The firm is also well-versed in State aid proceedings and has a particular niche in the automotive and electronic communications sectors. Split between Milan and Rome, the team includes Cristoforo Osti, an expert in State aid. Guido Bellitti advises on internal market and public procurement issues, whilst Patrick Actis Perinetto focuses on the pharma and medtech sectors. Alessandra Prastaro assists with enforcement programmes and abuse of economic dependence. New practice head Marco D’Ostuni moved to the firm from Cleary Gottlieb Steen & Hamilton in September 2024. Gian Michele Roberti left the firm in 2024.
Legal 500 Editorial commentary
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Testimonials
Collated independently by Legal 500 research team.
‘Knowledgeable of the market and competence.’
‘Competent and available.’
‘Leads activities with skill in project management.’
‘Cristoforo Osti is assertive and deeply knowledgeable.’
‘Marco Serpone is clearly a star in the provision of legal services in the field of EU and competition law. It is clear that he has an in-depth knowledge of EU law and its governing principles that is not present in the market.'
Key clients
- A. Menarini Industrie Farmaceutiche Riunite s.r.l.
- Abiogen Pharma S.p.A.
- ADEO
- Adolf Wuerth
- Aeroporti di Roma S.p.A.
- Alba Leasing S.p.A.
- Alexion Pharma Italy S.r.l.
- Aldi S.r.l.
- Alfasigma S.p.A.
- Allianz Direct S.p.A.
Work highlights
Advising Expedia Inc. in the context of the proceedings before the CJEU stemming, as preliminary ruling proceedings, from two different appeals brought by the firm on behalf of the client before the Italian administrative courts.
Advising Airbnb Ireland in a preliminary ruling referral on the interpretation of different EU law Internal Market provisions.
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Guido Bellitti
Marco D’Ostuni
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Marco D'Ostuni
Other key lawyers
Guido Bellitti; Patrick Actis Perinetto; Alessandra Prastaro, Cristoforo Osti