Olivier Haas
About Olivier Haas
Olivier Haas is a lawyer based in Paris, FR and has been recognized in The Best Lawyers in France™ since 2023. Olivier Haas is recognized in the following practice areas:
- Paris, France
- Information Technology Law
- Intellectual Property Law
- Technology Law
Current Firm: Jones Day
Location: Paris, FR
Nearby Lawyers
François Herpe is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law, Intellectual Property Law, Privacy and Data Security Law and Technology Law. François, 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 François is held by other top lawyers in the same geographic and legal practice area.
Martine Samuelian specializes in banking, investment and payment services as well as in insurance regulation. She also advises clients on banking and financial litigation (civil and criminal courts or independent administrative authorities such as the AMF and ACPR Sanctions Commissions, the ECB). This regulatory specialist leads a strong team dedicated to compliance, anti-money laundering and counter-terrorism financing, prudential requirements, governance and blockchain issues, and has been ...
Sabrina Dougados is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Sabrina, 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 Sabrina is held by other top lawyers in the same geographic and legal practice area.
Serge Durox is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice and Financial Institutions. Serge, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Serge is held by other top lawyers in the same geographic and legal practice area.
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.
Renaud Christol is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Renaud, 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 Renaud is held by other top lawyers in the same geographic and legal practice area.
Cédric Chanas is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Leveraged Buyouts, Mergers and Acquisitions Law and Private Equity Law. Cédric, 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 Cédric is held by other top lawyers in the same geographic and legal practice area.
Anne-Sophie Cantreau is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Anne-Sophie, 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 Anne-Sophie is held by other top lawyers in the same geographic and legal practice area.
With extensive experience, Henri-Nicolas Fleurance has built a solid reputation within the legal services market in the restructuring of French and international groups, taking into account legal, tax, labour and refinancing issues.Senior corporate officers appreciate Henri-Nicolas Fleurance’ comprehensive expertise (mergers and acquisitions, labour and tax aspects), along with his extensive and diversified experience, providing immediate, cutting-edge advice in the selection and implem...
Explore and Learn
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.
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.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
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.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
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.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.