Olivia Guéguen
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
- Corporate Law
- Health Care Law
- Mergers and Acquisitions Law
- Private Equity Law
- Venture Capital Law
Current Firm: Dentons
Location: Paris, FR
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
A specialist in digital law, Éric Le Quellenec has led several large-scale GDPR compliance and digital transformation programs for major French and international corporations. He advises both software providers and end-users on AI projects, combining risk management with accountability in usage—most tools used in the HR field being classified as high-risk under current regulations. For large-scale projects such as HRIS or talent and career management systems, he has taken on role...
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 ...
Stéphanie Schweitzer is a top attorney recognized by Best Lawyers in the practice area(s) of Leisure and Licensing Law, Maritime Law and Transportation Law. Stéphanie, 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 Stéphanie is held by other top lawyers in the same geographic and legal practice area.
Jérôme Michel is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Public Law. Jérôme, who practices law in Paris, France, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jérôme is held by other top lawyers in the same geographic and legal practice area.
Philippe Bouillon is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Philippe, 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 Philippe is held by other top lawyers in the same geographic and legal practice area.
Olivier Moriceau joined UGGC Avocats in 2021 as a partner in charge of the Banking & Finance department with more than 15 years of experience in international business law firms in Paris. For more than 15 years, he has been advising clients on all types of domestic and cross-border financings. He assists both French and foreign clients in connection with their listed and unlisted bonds issues (including Euro PP issues) and loan facilities covering the whole spectrum of syndicated corporat...
Joanna Gumpelson is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law and Litigation. Joanna, 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 Joanna is held by other top lawyers in the same geographic and legal practice area.
François-Luc Simon has extensive experience in commercial law, distribution law and economic law. He intervenes in cases of litigation and as counsel on behalf of retailers and institutional groups in France and internationally. He has also authored numerous publications. Career Co-founder of Simon Associés since Associate lawyer, CABINET Y. MILON, 1996 - 2000 Education CAPA - certificate of aptitude for the legal profession (1995) Doctorate in Law (Prize of the University of Pa...
Alexandre Moustardier has developed an advisory and litigation activity, upstream and downstream, in environmental law and town planning / construction law with institutions, SMEs / SMIs, industrialists, developers, companies involved in particular in cement and quarrying, energy, agrifood, chemicals, waste treatment, etc. Managing Partner of the firm ATMOS Avocats (formerly named Selarl Huglo Lepage & Associés until December 31, 2017), Alexandre Moustardier has developed, for twen...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.