Olivia Guéguen
Recognized in Best Lawyers since 2016 About Olivia Guéguen
Olivia Guéguen is a lawyer based in Paris, FR and has been recognized in The Best Lawyers in France™ since 2016. Olivia Guéguen is recognized in the following practice areas:
- Paris, France
- Biotechnology and Life Sciences Practice
- Health Care Law
- Mergers and Acquisitions Law
- Private Equity Law
- Venture Capital Law
Current Firm: Dentons
Location: Paris, FR
Nearby Lawyers
Clémence Lemétais d'Ormesson is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Clémence, 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 Clémence is held by other top lawyers in the same geographic and legal practice area.
Nicolas Sauvage is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment 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.
Ariane has more than 20 years of experience in the banking and finance practice by representing borrowers and lenders in domestic and international transactions in particular in the private equity and corporate sector. She works alongside companies at all stages of their financing needs, structuring with the choice of appropriate financial product (senior debt, unitranche, mezzanine debt, etc.) to closing.
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).
Marie-Muriel Barthelet is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law. Marie-Muriel, 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 Marie-Muriel is held by other top lawyers in the same geographic and legal practice area.
Antoine Vergnat is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Antoine, 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 Antoine is held by other top lawyers in the same geographic and legal practice area.
Jeremy Scemama is an M&A partner and member of the firm's Private Capital industry group. Jeremy has been working for more than 20 years with listed and non-listed industrial and services groups on their corporate finance operations, restructuring and external growth operations. Jeremy also advises investment funds on leveraged buyouts, venture capital and development capital transactions. While working for corporate groups and investments funds, he has developed an extensive experience i...
Associate attorney at PwC Law Firm for many years, Isabelle SAVIER-PLUYETTE has joined Cornet Vincent Segurel in 2018 to bring her technical expertise in international mobility of human resources and managers.With almost 30 years of experience, Isabelle advises and supports French and foreign groups about mobility and its strategic and operational aspects and she has a great experience in international projects.Across a wide range of business areas, she helps managers and companies in the ind...
Emmanuel Vergnaud is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Emmanuel, 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 Emmanuel is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
