Johannes Jonas

Ana Vermal is a partner in the Litigation Department and co-head of the firm’s International Arbitration Group. Ana Vermal is a seasoned quadrilingual lawyer with extensive experience in both common law and civil law. With over 20 years of experience, she represents corporations from around the world on complex arbitrations arising from cross-border business transactions including acquisitions, joint ventures, distribution and licensing agreements. Ana handles arbitral proceedings under...

Nathalie Metallinos is a lawyer recognized by Best Lawyers in the practice area of Privacy and Data Security Law. Nathalie practices law in Paris, France Best Lawyers has recognized Nathalie Metallinos since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nathalie Metallinos is held by other lawyers.

Franck Morel advises companies on employment law, with a particular focus on working time regulations, collective bargaining, employee representation, and managing organizational change, all areas in which he has developed recognized expertise, both in legal advice and litigation. He also has in-depth knowledge of non-standard forms of employment (such as temporary work, umbrella companies, and freelance platforms), religious matters in the workplace, and professional training. He supports a ...

Gaëlle Saint-Jalmes is a lawyer recognized by Best Lawyers in the practice area of Regulatory Practice. Gaëlle practices law in Paris, France Best Lawyers has recognized Gaëlle Saint-Jalmes since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gaëlle Saint-Jalmes is held by other lawyers.

Yvon Dréano assists French and foreign clients, industrial businesses and investment funds in their merger & acquisition and complex restructuring operations. He also acts in relation to strategic alliances and joint ventures, operations concerning listed companies and governance issues. His expertise also includes judicial and arbitration litigation of equity transactions. Yvon is a member of the Jeantet Conseil des Associés (Board of Partners).

Julien Mayeras is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Julien practices law in Paris, France Best Lawyers has recognized Julien Mayeras since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Julien Mayeras is held by other lawyers.

Founding partner of ATURQUOISE Law Firm, Anne-Marie Pecoraro joined UGGC Avocats in 2020. She is an intellectual property, new technologies and entertainment law expert, specializing in advertising, literary and artistic property and trademark law. She is also known for her legal knowledge in designs and unfair competition (at a national and international scale). She has built an expertise in service contracts preparation and negotiation and regularly assists her clients during litigation cas...

Sébastien Fleury is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Sébastien practices law in Paris, France Best Lawyers has recognized Sébastien Fleury since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sébastien Fleury is held by other lawyers.

Cécile Théard-Jallu has developed in-depth expertise as an attorney in private practice representing multinational corporations, including major US and European firms and organizations in the R&D and healthcare sector (public or private research institutions, academics, pharmaceutical laboratories, biotechnology companies, medical equipment manufacturers, service providers, software or connected health platforms publichers, investors, competitiveness clusters, tech transfer ...

Fabrice Girard is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Fabrice practices law in Paris, France Best Lawyers has recognized Fabrice Girard since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fabrice Girard is held by other lawyers.