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De Gaulle Fleurance & Associés

9 RUE BOISSY D'ANGLAS, 75008 PARIS, FRANCE
Tel:
Work +33 1 56 64 00 00
Fax:
Fax +33 1 56 64 00 01
Email:
Web:
www.degaullefleurance.com
Brussels, Paris
De Gaulle Fleurance & Associés, Jean-Sébastien Mariez, Paris, FRANCE

Lawyer rankings

Jean-Sébastien Mariez

Tel:
Work +33 1 56 64 00 00
Email:
De Gaulle Fleurance & Associés

Work Department

Structure Division: The activities of the Structure Division cover litigation and transactional work in connection with economic actor’s assets, governance and financing.

Position

Partner, Jean-Sébastien Mariez has been helping players for more than 10 years in the digital economy by protecting their innovation (software, databases, artificial intelligence, e-commerce platforms, video games, search engines), securing their business activities (personal data, cybercrime, e-reputation) and providing representation in litigation before civil, commercial and criminal courts (piracy, unfair competition, Internet) and supervisory authorities. His practice focuses on new technologies, intellectual property, commercial law and litigation. He also advises on public and regulatory affairs in order to facilitate early awareness and integration of significant regulatory changes impacting the activity of his clients. Closely involved in major legislative and regulatory developments affecting businesses operating in the digital economy, Jean-Sébastien was notably involved in the process for the adoption of the Digital Republic Act (loi République Numérique) (open data, algorithms, e-sport, portability, digital platforms’ duty of fairness, protection of privacy and confidentiality of correspondence). Prior to joining De Gaulle Fleurance & Associés in 2011, Jean-Sébastien served as Head of the Cybersecurity and Anti-Piracy division of the Legal & Corporate Affairs Department of Microsoft France.

Languages

French, English

Member

Member of the Paris Bar since 2005.

Education

2002 Postgraduate degree (DESS) in Politics and International Relations, Paris-XI University,
2001 Master of Laws (LL.M.) in European Business Law, Newcastle University, United Kingdom/Nancy-II University,
2000 Master’s degree in Business Law, Nancy-II University

France: Industry focus

Industry focus: IT, telecoms and the internet

Within: Industry focus: IT, telecoms and the internet

De Gaulle Fleurance & Associés is currently acting for a major TV broadcaster in a dispute with a group of internet providers arising from a change in the client's business model which now imposes the payment of royalty fees on parties distributing ISP and TV service packages in France. Louis de Gaulle and Georgie Courtois recently advised Groupe BCPE on the negotiation with Apple of the contractual aspects of a contactless biometric payment system in Europe, as well as on the setting up of an API banking platform in France to allow financial applications to connect with the client's banking networks. Also notable are Cécile Théard-Jallu and Jean-Marie Job, who advised on the regulatory and data privacy aspects of the launch of an e-health company's connected nutrition scanning device in France and the US. Practice co-head Julien Horn, 'very accurate and excellent' senior counsel Matthieu Dary and Jean-Sébastien Mariez are also key contacts.

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