Costanza Mussi
About Costanza Mussi
Costanza Mussi is a lawyer based in Paris, FR and has been recognized in Best Lawyers: Ones to Watch in France™ since 2022. Costanza Mussi is recognized in the following practice area:
- Paris, France
- Competition / Antitrust Law
Current Firm: White & Case LLP
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
Adrien Debré is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Private Equity Law. Adrien, 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 Adrien is held by other top lawyers in the same geographic and legal practice area.
Gwenaëlle Artur is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Gwenaëlle, 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 Gwenaëlle is held by other top lawyers in the same geographic and legal practice area.
Armand W. Grumberg is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Armand W., 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 Armand W. is held by other top lawyers in the same geographic and legal practice area.
Michel Turon is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation, Private Equity Law and Tax Law. Michel, 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 Michel is held by other top lawyers in the same geographic and legal practice area.
Hélène Gelas advises on public law, environmental law, urban planning law and energy law, in the field of energy and real estate. She holds a doctorate in law and assists her clients, from large listed groups and investment funds to small and medium-sized French and international companies, with advice and litigation before the administrative courts and in all stages of projects, whether for major real estate development projects or for renewable energy projects (wind, photovolt...
Diane Le Chevallier is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Structured Finance Law. Diane, 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 Diane is held by other top lawyers in the same geographic and legal practice area.
Benoit Raimbert mainly practices in real estate and advises developers and private investors on setting up and implementing their projects, particularly in operations involving office and retail properties. In addition, he audits property portfolios and helps investors deal with the regulatory aspects of their operations (land divisions, environment, etc.). Career Partner lawyer at Simon Associés since 2015 Partner lawyer, QUADRIGE, 2011-2014 Associate lawyer, LEFEVRE PELLETIER & A...
Sarah Lenoir is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Privacy and Data Security Law. Sarah, 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 Sarah is held by other top lawyers in the same geographic and legal practice area.
As a business lawyer, Sylvie Perrin mainly intervenes in banking and finance. With a solid reputation in asset and project finance transactions acting for major Banks and Financial institutions, Sylvie assists many Financial Advisers and internationally based companies in organizing the most efficient debt structuring for various types of projects. She is recognized in the setting up of complex, innovative asset and project finance deals. Over her long experience, she has acted for various ac...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
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.
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.
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.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
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.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
Anthropic Class Action a Warning Shot for AI Industry
by Bryan Driscoll
The signal is clear: Courts, not Congress, are writing the first rules of AI.