Elfie Ossard-Quintaine

With 30 years’ experience, Thierry Brun is a recognised specialist in mergers & acquisitions, joint ventures and company restructuring. His multi-sectoral activity is mainly focused on international transactions for high-end clients including corporates and investment funds, both French and foreign, to whom he offers support in their strategic growth and/or restructuring projects in France and abroad. He also manages strategic litigation and arbitration proceedings related to his ar...

Maria acts as lead counsel in investor-state and commercial arbitration and litigation across a variety of industrial sectors, including oil and gas, renewable energy, utilities, infrastructure, banking, aviation and manufacturing. She also serves as arbitrator.

Serge Durox is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice, Financial Institutions and Regulatory Practice. Serge practices law in Paris, France Best Lawyers has recognized Serge Durox 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 Serge Durox is held by other lawyers.

Gaëlle MERLIER is co-head of the Life Sciences Department. Gaëlle’s expertise spans advisory work on regulatory and contractual matters as well as the management of complex, serial litigation in commercial matters and health product liability. She also assists her clients during criminal investigations and in their dealings with the health authorities (particularly in the context of ANSM, DGCCRF, DDPP inspections, etc.). Furthermore, Gaëlle advises her clients on mergers-...

Following a career in the private sector and in law firms, Jean-Jacques Uettwiller founded UGGC Avocats – with other lawyers – in 1993. From the onset, his foremost speciality is the law of company transfers (what some posers call M&A), providing advice or assisting with litigation, but also deal with the management of the personal assets of wealthy families. In fact, his practice is both international and multidisciplinary at the same time since it covers international arbitr...

Frédéric Keller is a lawyer recognized by Best Lawyers in the practice area of Corporate Governance and Compliance Practice. Frédéric practices law in Paris, France Best Lawyers has recognized Frédéric Keller since 2027. 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 Frédéric Keller is held by other lawyers.

Corinne Khayat has been a partner of UGGC Avocats since 2000, where she co-heads the Competition Law department. She regularly represents her clients before the courts and competition authorities and advises in all areas of French and EU competition law. She has particular experience in notifying mergers and joint ventures to the French Competition Authority. She handles proceeding before competition authorities. Corinne Khayat assists French and foreign clients, mostly large and medium size ...

Karl Hepp de Sevelinges is a partner at Jeantet, admitted to the Paris, Frankfurt (Rechtsanwalt) and New York (FLC) bars. Specialized in Mergers & Acquisitions, he advises industrial companies, financial institutions and international funds, particularly German-speaking ones, on their investments in France. Karl has significant experience in corporate acquisitions and reorganizations, and advises French and International listed and non-listed companies. He leads a team of international la...

Thierry Postif is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Thierry practices law in Paris, France Best Lawyers has recognized Thierry Postif since 2027. 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 Thierry Postif is held by other lawyers.

Corentin Chevallier is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law, International Public Law and Public Law. Corentin practices law in Paris, France Best Lawyers has recognized Corentin Chevallier since 2016. 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 Corentin Chevallier is held by other lawyers.