Vincent Poirier

Partner of BG2V since 2023 – Member of the Paris Bar since 2000 ​ Experience : BG2V, Hoyng Rokh Monégier, Cotty Vivant, Linklaters.​ Education : DESS in the law of obligations from the University René Descartes Paris V​ Practice areas : Marie advises and litigates on intellectual property law. In particular, she advises French and international clients on copyright, trademarks, designs and models. She advises companies on their mergers and acquisitions and all operations r...

Wyssam Mansour advises national and international companies and investment funds on their complex M&A, joint venture and private equity transactions, as well as their contractual structures. He works mainly in the industrial, energy, natural resources and infrastructure sectors (energy, storage, digital infrastructure, mobility, etc.), in which he has significant experience. Wyssam also puts his expertise to work for clients involved in new technologies and disruptive innovations, particu...

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.

Henri Pieyre de Mandiargues is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law and Venture Capital Law. Henri, who practices law in Paris, France, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Henri is held by other top lawyers in the same geographic and legal practice area.

Bastien Ottaviani is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Bastien, 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 Bastien is held by other top lawyers in the same geographic and legal practice area.

Romain Boyet is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Romain, 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 Romain is held by other top lawyers in the same geographic and legal practice area.

Bruno Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Bruno, who practices law in Paris, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bruno is held by other top lawyers in the same geographic and legal practice area.

Hélène Gelas advises on public law, environmental law, urban planning law and energy law, in the field of energy and real estate. She holds a doctorate in law and assists her clients, from large listed groups and investment funds to small and medium-sized French and international companies, with advice and litigation before the administrative courts and in all stages of projects, whether for major real estate development projects or for renewable energy projects (wind, photovolt...

Stéphanie Dumas was made partner in January 2011. She advises companies on all their matters pertaining to mergers & acquisitions, restructurings, business transfers and collective litigation. She co-heads 2 practices of the firm: Restructuring and Management practices. Stéphanie was recognised as 'Best Lawyer 2018 in Employment Law" by Best Lawyers. She graduated from the École des Hautes Etudes Commerciales (HEC), and also holds a Master’s Degree in Business L...

Ramin Hariri is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Ramin, 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 Ramin is held by other top lawyers in the same geographic and legal practice area.