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Apart from offering expert legal consultancy for local jurisdictions, CMS Francis Lefebvre partners up with you to effectively navigate the complexities of global business and legal environments.

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Stivian Kostadinov
Associate

Stivian Kostadinov

Languages
  • French
  • English
  • Bulgarian
Social media

Stivian Kostadinov joined CMS Francis Lefebvre's Litigation & Arbitration department in Jean-Fabrice Brun's team, in 2023, after having worked in two renowned Parisian law firms.

He assists the firm's clients before the state courts in civil, commercial and criminal matters, as well as before disciplinary bodies. He also advises on domestic and international arbitration.

He also regularly advises clients at the pre-litigation stage and in alternative dispute resolution.

Relevant experience

  • Associate, LERINS, (2021 - 2023)
  • Associate, D’ALVERNY AVOCATS, (2018 - 2021)

Publications

  • Expert Guide to Mandatory Reporting of Criminal offences, contribution pour la France à un CMS Expert Guide, 26 novembre 2025, co-written with Jean-Fabrice Brun, Olivier Kuhn and Cécile Rebiffé
  • Usage des données fournies lors d’un audit pré-acquisition : un risque pénal d’abus de confiance et d’escroquerie ?, Option Finance, 8 octobre 2025, co-written with Jean-Fabrice Brun
  • Polices fiscales et respect de la vie privée, Revue européenne et internationale de droit fiscal, n° 2025/2, Septembre 2025, co-written with Jean-Fabrice Brun
  • Commentaire de l’arrêt Crim., 29 avril 2025 (effets de la fusion sur le champ de l’appel pénal), numéro 24-81.555, Option Finance, 20 juin 2025, co-written with Jean-Fabrice Brun
  • Indirect conflict of interest leads to set aside of an ICC award in USD 15bn dispute: the Paris Court of Appeal’s “Opportunity Fund” judgment of 2 May 2024, International Disputes Digest, 16 décembre 2024, co-written with Jean-Fabrice Brun
  • Annulation d’une perquisition fiscale : des agents de l’Administration irrégulièrement habilités, Option Finance, 25 septembre 2024, co-written with Jean-Fabrice Brun
  • Perquisitions fiscales : européanisation et réflexes à adopter lors des opérations, Option Finance, 1er septembre 2023, co-written with Jean-Fabrice Brun and Chloé Adelbrecht-Vignes
  • Séquestre judiciaire d’actions : gare au registre des mouvements de titres dématérialisé, Village de la Justice, 6 novembre 2020

Memberships & Roles

  • Bar Admission : Hauts-de-Seine
  • Bar Admission : Paris (since 2018)
  • Law & Commerce
  • French-Bulgarian Association of Lawyers and Legal Professionals (AFBAJ)
  • Association of Secretaries and Former Secretaries of the Hauts-de-Seine Bar Association

Education

  • CAPA, EFACS, 2017 (Promotion major)
  • DJCE, University of Montpellier, 2016
  • Certificate in distribution law, University of Montpellier, 2016
  • Magistère DJCE, University of Montpellier, 2013 – 2016
  • Asset management certificate, University of Montpellier, 2012
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