Arnaud Constant

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...

Founding Partner of BG2V since 2010 – Member of the Paris Bar since 2000​ ​ Experience : BG2V, Former Secretary of the Internship Conference, Gide Loyrette Nouel, Financial Analyst, IBM France Financement.​ ​ Education : Postgraduate degree (DEA) in Criminal Law and Criminal Sciences, University of Paris II Panthéon Assas, Master's degree in Business Law, University of Paris II Panthéon Assas, Graduate of ESSEC.​ ​ Practice areas : Julien practices in civil and commercial ...

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

Olivier joined Rivière I Avocats I Associés in 2006, as a junior associate dedicated to urban planning and heritage law issues in the real estate restoration operations department, after initial professional experience within a leading law firm. His areas of expertise include urban planning and development, environmental, public property, public real estate contracts and energy. From the moment he joined the firm, Olivier had the ambition to partner with and make the firm count ...

Anthony Paronneau is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Mergers and Acquisitions Law. Anthony, 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 Anthony is held by other top lawyers in the same geographic and legal practice area.

Arash Attar-Rezvani focuses on complex cross-border public and private M&A transactions, strategic alliances and business partnerships, international capital markets transactions and privatizations. His professional experience also includes corporate governance and shareholder activism. Mr. Attar-Rezvani was selected as one of 10 Rising Stars of the Paris bar by Décideurs Juridique for 2018, was named in The Best Lawyers in France 2021 and has repeatedly been listed as a Notable Pr...

Philippe Portier is in charge of Corporate Finance/M&A, Corporate Compliance/CSR and Public Affairs/Lobbying. He is a specialist in corporate governance, executive remuneration (Say on Pay) and compliance (anti-corruption programmes, due diligence plans, etc.) and contributes to the work of the Institut Montaigne, Fondation Croissance Responsable and the IFA. From 2012 to 2021, he chaired the Association des Avocats Lobbyistes (AAL).

Founding partner of HBC AVOCATS (2008 to present) General Counsel of Genset, Paris and Gencell/Centelion, Paris (1998-2004) Shearman & Sterling, Associate, New York, London and Paris (1994-1997) Member of the Paris Bar (since 2004) and New York Bar (since 1995)

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

Philippe Guibert is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, European Union Law and Litigation. Philippe, who practices law in Paris, France, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philippe is held by other top lawyers in the same geographic and legal practice area.