Eve Castex

Lawyer to the Paris Bar since 2006, Olivier Hayat practised in Parisian law firms specialising in IT, media and distribution law. In 2014, Olivier founded his law firm dedicated to digital and intellectual property law. Olivier practises information technology law, both in counselling and litigation, and focus his expertise on IT project negotiations, personal data (GDPR compliance and assistance to CNIL control) and also intellectual property and communication law. He has a diversified clien...

Frédéric Sardain leads the IP, Tech & Data practice. His team’s activity covers transactional IP/IT, complex digital projects, strategic litigation as well as data compliance and cybersecurity. He is the author, with Pr. Philippe Gaudrat, of the “Traité de droit civil du numérique” published in 2015 by Larcier (2 volumes), a subject he taught for ten years at the Université Panthéon-Assas (Paris II). He regularly acts as a paneli...

Matthieu Candia is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Matthieu, who practices law in Paris, France, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthieu is held by other top lawyers in the same geographic and legal practice area.

Serge Lederman intervenes as counsel as well as in litigation in industrial property law in sectors as diverse as fashion, design and media and the food industry, and literary and artistic property law in the areas of art, media and communication. Recognised by his clients for his analysis of litigious matters and the stakes at hand, as well as his sharp grasp of litigious strategies, Serge Lederman advises companies and institutions on an international level and on domestic operations. He is...

David Revcolevschi is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law and Corporate Law. David, who practices law in paris, France, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

Lynda Belaid is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Lynda, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lynda is held by other top lawyers in the same geographic and legal practice area.

Lionel Attal specialises in competition law, distribution law and Information technology law. He is particularly involved in all types of commercial contracts. Lionel has growing experience in the field of e-commerce and the new business models arising out of the growth of the Internet.

Xavier Leroux is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Xavier, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Xavier is held by other top lawyers in the same geographic and legal practice area.

Member of the UGGC Avocats’ Restructuring team for more than 15 years, Marine Simonnot joined the firm as a trainee lawyer before becoming an associate, consultant and then partner in 2020. She advises clients on all aspects of insolvency law, from the prevention of difficulties to their treatment in the context of collective proceedings, both as counsel and in litigation. Marine supports companies of all sizes, their managers and/or shareholders, investment funds, creditors, legal repr...

Fabrice Perruchot is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Fabrice, who practices law in Paris, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabrice is held by other top lawyers in the same geographic and legal practice area.