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and independent team

Claudia Massa

Background : Professional lawyer’s certificate programme from the Ecole de formation du barreau (EFB) (1997)
Kent University (Canterbury, UK)
Master’s degree in international law from Université de Paris V

Fluent in French, English and Italian

Professional background : A member of the firm since 1996 and now partner

Areas of practice : Public procurement, Community law, competition law, international trade, sports law

Client profile : State-owned businesses, regional authorities, major French and international firms and start-ups.

Of note : Representation of clients before European courts and NATO’s Administrative Tribunal and training of legal teams at major companies.
Assists foreign companies with French procurement contracts.
Wrote a purchasing guide for a state-owned company.

Recent articles :
“Separate sports image rights agreements with employers now possible in France” (World Sports Advocate, May 2017)
Puchase of works of art by public entities (Les Brèves Juridiques, May 2017)

Claudia Massa is in charge of the Avens website :


Claudia Massa joined Avens in 1996 and is now a partner at the firm.

Claudia gained experience through extensive litigation work in commercial, civil, administrative and European courts, where she represents the interests of French and international companies of all sizes.

Day-to-day consulting for major state-owned companies has given her in-depth knowledge of cross-cutting issues (private/public law) affecting public economic actors.

Currently, her work is focused in the following areas:
– public procurement: Claudia Massa advises contracting authorities (during the development of a purchasing strategy, in drafting tendering documents, in implementing the tendering process, representation in the event of litigation in contract tendering or enforcement) as well as French and foreign bidder companies (bidding strategy, negotiation, litigation)
– French and European competition law (state subsidies, abuse of economic power, cross-subsidies, breach of contract)
– public commercial law (in particular universal service obligations) / reuse of public information
– Sports law: Claudia Massa provides legal representation to professional athletes.

Claudia Massa offers advisory and litigation services in all of these areas. She leads training courses for the legal and operational teams of the firm’s clients, in particular on providing assistance with submitting a bid.

She also helps develop the firm’s international trade law activities.


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13 rue la Fayette
75009 Paris