Claire Vannini

CMS Bureau Francis Lefebvre (Paris)
Lawyer (Senior Associate)

Claire VANNINI, Senior Lawyer, joined EU/Competition team of CMS Bureau Francis Lefebvre in 2002. She advises and represents major French and foreign groups but also public bodies, in the following main areas: competition cases (antitrust, merger control, state aids); opening of markets to competition (energy, transports, electronic communications, online games), competition issues related to the public sector (public procurement, exclusive rights). She graduated from IEP of Paris in 1999 and received his degrees from the University of Paris-I in 2000 (DESS de contentieux de droit public). She is member of AFEC and lecturer in EU law (EFB).

Linked authors

JPTT & Partners (Paris)
CMS Bureau Francis Lefebvre (Paris)
CMS Bureau Francis Lefebvre (Paris)


1419 Bulletin

Claire Vannini, Virginie Coursière-Pluntz A French Court of Appeal, upon referral from the Supreme Court, puts an end to the debate on whether the tax on direct sales amounts to State aid on the basis of article 108.1 TFEU (Glaxosmithkline, Boiron, Bristol Myers Squibb)


In three decisions handed down on 2 September 2010, the Court of Appeal of Versailles ruled that the tax on direct sales failed to comply with the “Altmark test” designed by the European Court of Justice (now the Court of Justice of the European Union, hereinafter “the Court of Justice”) in order (...)

8907 Review

Bernard Geneste, Claire Vannini Tax and competition: A State aid analysis


If interrelations between tax and competition have always been numerous, the provisions of the EC Treaty related to State aids give rise to new and particularly complex questions. Whilst these questions have gradually grown in importance, the boundaries of a tax measure likely to be classified (...)

Claire Vannini, Jean-Paul Tran Thiet Airport fees: The Strasbourg Administrative Court cancels airport differentiated tariffs that are not based on economic rationale (Air France)


T.A. Strasbourg, 27 avril 2006, Air France, aff. 0402795 et 0404570 Le Conseil d’administration de l’aéroport de Bâle-Mulhouse avait introduit, dans la tarification de la “redevance passagers”, trois aménagements : un taux fortement dégressif en fonction du nombre de voyageurs transportés (cinq (...)

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