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Nathalie Pétrignet

Nathalie Petrignet


CMS Francis Lefebvre Avocats
2 rue Ancelle
92522 Neuilly-sur-Seine
Languages French, English

Nathalie joined CMS Francis Lefebvre Avocats in 1989 and became a partner in 2009.
She is actively involved in national and European competition law, restrictive practices, commercial negotiations and distribution policies as well as in marketing, sales and advertising law.
A large number of her clients are leading businesses in their sector, and for them, ensuring that their commercial policies comply with competition law is a key strategic issue. Nathalie has often worked on vertical agreement cases in relation to recommended pricing.

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Relevant experience

  • Trainer Formation Francis Lefebvre
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  • Post-graduate degree (DEA) in Business Law and Economic Law, University of Paris II - Panthéon-Assas (1988)
  • Institute of Business Law of Paris II - Panthéon-Assas (1989)
  • Specialisation in EU law
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  • Member of AFEC (French Association of Competition Research)
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  • Mémento Concurrence-Consommation édition 2021, co-author - Editions Francis Lefebvre (Septembre 2020)
  • Mémento Concurrence-Consommation édition 2020, co-author - Editions Francis Lefebvre (October 2019)
  • Le déséquilibre significatif et l'intervention progressive du juge commercial dans les négociations tarifaires - RJDA (November 2015)
  • Vers un contrôle judiciaire des prix dans les contrats d’affaires - Option Finance (21/09/2015)
  • Pratiques anticoncurrentielles ‎: vers l’instauration d’une procédure de transaction en France - Option Finance (26/05/2015)
  • Pratiques anticoncurrentielles : l'Autorité de la Concurrence frappe encore ! - Option Finance (23/03/2015)
  • Relations commerciales entre professionnels : précisions de la DGCCRF sur la loi Hamon - BRDA (December 2014)
  • Les prix « conseillés » sont toujours surveillés par les Autorités de concurrence - Option Finance (20/10/2014)
  • Loi relative à la consommation : relations commerciales entre professionnels, Co-auteur - BRDA (April 2014)
  • La Commission européenne sanctionne lourdement un cartel de producteurs de câbles électriques - Option Droit des Affaires (09/04/2014)
  • Entente sur les prix : le secteur automobile sous haute surveillance - Option Droit des Affaires (02/04/2014)
  • Un risque juridique nouveau : action de groupe et pratiques anticoncurrentielles - Option Finance (10/02/2014)
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Our law firm is ranked in 20 cat­egor­ies by Leg­al 500 Par­is 2020. Tax, Em­ploy­ment, etc. Dis­cov­er all our law firm’s rank­ings!
06 February 2017
Ad­vert­ising: the “of­fer” and "in­clus­ive of taxes" con­cepts
An auto­mot­ive deal­er pub­lished an ad­vert­ise­ment in a magazine on a Cit­roën auto­mobile, which in­cluded the price of the vehicle and the fol­low­ing word­ing in a foot­er at the bot­tom of the ad­vert­ise­ment:...
Leg­al 500 EMEA 2020
Our law firms are rank­ing in Leg­al 500 EMEA 2020. Tax law, cap­it­al mar­kets, em­ploy­ment,... See all our 2020 rank­ings!
23 November 2016
Busi­ness-to-busi­ness con­trac­tu­al pay­ment peri­ods come un­der sig­ni­fic­ant...
The latest re­port by the Banque de France's Pay­ment Peri­ods Ob­ser­vat­ory ("Ob­ser­vatoire des délais de paiement"), the pur­pose of which is to carry out in-depth ana­lys­is of stat­ist­ic­al ob­ser­va­tions of...
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Mis­lead­ing rep­res­ent­a­tions of new "de­sign­er food"
We are pleased to share our latest re­port on the Food & Bever­age sec­tor, which looks at the com­plex rules that gov­ern food ad­vert­ising and la­belling across Europe and high­lights cru­cial ex­amples of how in­form­a­tion com­mu­nic­ated to con­sumers can be mis­leadi
Start­ing point for pay­ment times: in­voice date or date of re­ceipt of the...
Ad­vert­ising: the “of­fer” and "in­clus­ive of taxes" con­cepts
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