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Sebastien Mostosi

Lawyer
Lawyer

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

Sébastien has been a lawyer within the employment law department of CMS Francis Lefebvre since 2019.

Specialised in employment law, Sébastien's work mainly involves to deal with individual employment matters  (drafting employment agreements, dismissal procedure, etc.) and collective employment relationship ( workplace elections, management of employee representatives, employee saving schemes, restructuring, etc.).

This labour law practice is provided to both French and international companies.

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Relevant experience

  • Lawyer in a professional union in the field of property;
  • Various internships in employment law in international law firms.
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Memberships & Roles

  • Registration at the Hauts-de-Seine Bar (since 2019).
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Awards & Rankings

  • Silver Plume Award (2020)
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Publications

  • URSSAF control by sampling or extrapolation, importance of the opposition period, Marie-Pierre Schramm, 2019;
  • Blockchain, the future instrument for the workplace? Jérôme Sutour, 2020;
  • Modification of the employment contract for economic reasons: beware of redeployment's obligation, Marie-Pierre Schramm, 2020;
  • Obligation for the judicial administrator who consults the CSE on a draft PSE to hold two meetings in case of appointment of an expert, Alain Herrmann, 2021;
  • The nullity of the mutual termination as a condition for the tax exemption of the transactional indemnity, Alain Herrmann, Christophe Frionnet, Carole Laplace, 2021;
  • Economic dismissal of the unfit employee in case of cessation of activity of a company not belonging to a group, Sébastien Mostosi, 2021;
  • PSE, redeployment and liquidation: how to balance all the constraints, Alain Herrmann, 2022.
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Education

  • CAPA (2018);
  • LL.M. in Business Law at the University of Laval - Canada (2016 - 2017).
  • Master 2 in Social Protection Law at the University of Montpellier I (2013 - 2014).
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