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Claire Toumieux



Toumieux Claire
Claire Toumieux



Claire Toumieux heads the Paris Employment law department. She advises businesses seeking to define, implement and/or improve their human resource management strategies.

She has built up a strong reputation in assisting corporate groups, both listed and unlisted, and investment funds through strategic operations such as mergers and acquisitions, collective bargaining agreements and reorganizations. She also represents them both on sensitive individual and collective disputes.

Claire has been Chair of the European Employment Lawyers Association (2015-2017), the European body for lawyers specialising in employment law. She is regularly interviewed in the French press (Le Monde, Le Figaro, Les Echos, L’Opinion), even TV shows (RMC–Bourdin Direct) and international publications (Wall Street Journal, Financial Times...). She also contributes to A&O leading Employment Law blog as well as European Employment Law Cases publication. She has been appointed as expert in the working group preparing the REFIT exercise of the Written Statement Directive by the EU Commission, in light of new forms of employment, leading to the adoption by EU Parliament on 20 June 2019, of the new Directive 2019/1152 on Transparent and predictable working conditions.

In June 2019, she has been invited as a lead discussant on collective terminations of employment, to participate in the OECD project to review the Employment Protection Indicators to measure the level of employment protection of OECD countries.

Claire is recognised by the international reference guides such as Chambers and Partners, Legal 500, Best Lawyers and Who's Who Legal. In 2022 Claire has also been recognised by International Employment Lawyer (IEL) as one of the leading Women Leaders in Employment Law worldwide.

"Claire Toumieux is a "very experienced partner who is always available," according to clients. She displays strengths across a variety of employment mandates, including assisting with cross-border M&A transactions, redundancy plans, individual terminations and sexual harassment cases. She has experience in the transportation, financial and media sectors."[Ranked Band 2]

Chambers Europe 2022 - France (Employment)

"A real international team which allows European groups to have a precise, pragmatic analysis of the various laws. One of the only transnational teams specializing in employment law on the European market! Claire Tourmieux is always relevant."

Legal 500 EMEA 2021 - France (Employment)

"Claire Toumieux advises clients across a range of mandates, from support in consultations with employee representative bodies to investigations into market abuse claims. She also acts on redundancy and social plans, with additional strength handling harassment claims. Clients laud her reactivity and pragmatism." [Ranked Band 2]

Chambers Europe 2020 - France (Employment)

Leading individual

Legal 500 2022 - France (Employment)

Recognised practitioner 

Best Lawyers 2020 - France (Labor and Employment Law) - Since 2010

Thought Leaders - France 2020

Who's Who Legal 2020 - France (Employment)

Related articles

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Publications: 21 July 2022

Gender diversity on corporate boards

What to expect from the new EU Women on Boards Directive, including the practical changes for your management structure and the impact on the national legislation of each Member State.

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News: 14 April 2022

Allen & Overy advises Crédit Mutuel Arkéa on the sale of Leetchi and MANGOPAY to Advent International

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News: 04 February 2022

Allen & Overy advises ABF Ingredients on the acquisition of Fytexia Group

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Publications: 06 May 2021

Employee reorganisations – what do you need to know?

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Allen & Overy LLP
52 avenue Hoche
75008 Paris

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Admitted to the Bar, Paris, 1996


Master's in International Private Law; University of Paris I Panthéon-Sorbonne, 1996

Published work

  • Claire is the national correspondent for the European Employment Law Cases publication.
  • Article, ”After the expansion of burnout claims, should employers worry about “bore-out” claims?", August 2020
  • Tribune, L’AGEFI, "Reprise de l’activité, un risque pénal maitrisable", July 2020
  • Tribune, L’AGEFI, "Reprise de l’activité, un risque pénal maitrisable", June 2020
  • Client publication: “Covid-19 - France Key restriction measures”, March 2020
  • Article, “Key restriction measures and regulations related to the employees”, March 2020
  • Article, Emergency and Economic Measures in Response to Yellow Vest Protests, January 2019
  • Global Benefits Vision magazine, article: “French Income Tax reform: One Month Left for Companies to Comply with their New Obligations”, December 2018
  • Article, "France: catching up with the #Metoo movement and addressing gender pay gap", October 2018
  • Article, "Dénonciation de harcèlement moral: l'immunité ne s'applique que si l'employé qualifie expressément le harcèlement en tant que tel", Octobre 2017
  • Article, "Réforme majeure du droit du travail en France: la révolution Macron", October 2017
  • Article 5/5 "Ordonnances portant sur le renforcement du dialogue social : le rôle des branches", September 2017
  • Article 4/5 "Ordonnances portant sur le renforcement du dialogue social : la fusion des institutions représentatives du personnel", Septembre 2017
  • Article 3/5: "Ordonnances portant sur le renforcement du dialogue social : la négociation collective", September 2017
  • Article 2/5: "Ordonnances portant sur le renforcement du dialogue social : les licenciements économiques", September 2017
  • Article 1/5 "Ordonnances portant sur la réforme du code du travail : La prévisibilité et la sécurisation des relations de travail ", September 2017
  • Article "Le nouveau "droit à la déconnexion" en France", February 2017
  • Article, "Le suivi médical des salariés après la « Loi Travail »", January 2017
  • Article, "Le volet social du projet de loi « Sapin II »", Décember 2016
  • Article, "Rémunération des dirigeants de sociétés cotées : le projet de loi « Sapin II »", December 2016
  • Article, "Loi « Travail » : et maintenant ?", September 2016
  • Article, "Les nouvelles modalités de consultation des institutions représentatives du personnel", July 2016

Pro-bono experience

  • Advising « Action Emploi Réfugiés » in France (NGO launched in June 2016)