Olivier Puech

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 ...

A member of the Paris Bar since 1989, Stéphane PERRIN graduated from the Faculties of Law of PARIS XI and PARIS II Universities, where he gained a DEA postgraduate qualification in Intellectual Property. He also graduated from PARIS II Faculty of Law’s Institute of Legal Studies. He began his career within the law firms DS Avocats (PARIS) and DUBARRY, SERVAN-SCHREIBER & WEIL (PARIS then BRUSSELS), then as a partner in SCP FLAMBARD & Associés, before creating his ow...

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.

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...

Nicolas Bricaire is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Nicolas, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicolas is held by other top lawyers in the same geographic and legal practice area.

David Roche has developed a practice dedicated to players in the new technologies, banking and payment services sectors. David assists his clients with the structuring and implementation of complex technology projects, including contract drafting and negotiation, personal data and artificial intelligence compliance, as well as pre-litigation and litigation management. He has also developed a sector-specific practice in FinTechs, serving all regulated and unregulated players in the chain. He a...

Alexis Marchand is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Alexis, who practices law in Paris, France, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexis is held by other top lawyers in the same geographic and legal practice area.

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...

Partner, Jérémie Swiecznik is highly experienced in advising issuers and investment funds on venture capital or growth capital operations. He also advises listed and unlisted companies of all sizes on all mergers, acquisitions and reorganisations, both in France and overseas. His industry expertise includes healthcare services, technology and business services. Jérémie assists private equity and real estate funds, banks, financial institutions, corporates, family o...

Patrick Thiébart advises international companies on a wide variety of issues relating to labour law and human resources.