Nicolas Mahassen
About Nicolas Mahassen
Nicolas Mahassen is a lawyer based in Paris, FR and has been recognized in The Best Lawyers in France™ since 2020. Nicolas Mahassen is recognized in the following practice areas:
- Paris, France
- Insolvency and Reorganization Law
- Litigation
Current Firm: Haissens
Location: Paris, FR
Nearby Lawyers
Matthieu Bichon, member of the Paris Bar since 2006, practices essentially in mergers & acquisitions, corporate law and securities law. He assists French and foreign clients, principally, in acquisitions and divestitures of shares or strategic assets transactions, private equity deals, joint ventures and capital operations as well for the structuring of their management packages. He also advises in M&A litigations. Over the recent years Matthieu has been involved in many transactions ...
Aurélie Cormier Le Goff primarily handles cases related to collective relations, both in advisory and litigation roles, particularly in the areas of collective bargaining and agreements, as well as issues related to working hours, remuneration, employee savings, and business transfers. She assists public enterprises, companies within major French groups, and employer professional federations. She has developed particular expertise with public sector companies employing private law empl...
Gwenaël Kropfinger is a tax partner and a member of both the Private Funds and Private Equity M&A Groups, as well as the firm’s Private Capital industry group. Gwenaël has extensive experience advising private equity funds and multinational groups on the tax structuring of M&A transactions, including leveraged buyouts (LBOs) and capital markets deals. In addition to his transactional work, Gwenaël is highly experienced in the formation and structuring of French an...
Anthony Paronneau is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Mergers and Acquisitions Law. Anthony, 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 Anthony is held by other top lawyers in the same geographic and legal practice area.
Paul Talbourdet is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Insolvency and Reorganization Law, Investment, Litigation and Real Estate Law. Paul, who practices law in Paris, France, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul is held by other top lawyers in the same geographic and legal practice area.
Fabrice Piollet is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Fabrice, 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 Fabrice is held by other top lawyers in the same geographic and legal practice area.
Virginie Brunot is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Virginie, 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 Virginie is held by other top lawyers in the same geographic and legal practice area.
2.1 Pull-out Statement/ Quote Antitrust and Regulatory lawyer Jean-Paul Tran Thiet brings experience and know-how to clients involved in competition-related proceedings or facing regulatory stakes. He is described as “ ‘An iron hand in a velvet glove’ when it comes to defending his clients’ interests ”. (Legal 500, EU Competition and Distribution (France) 2014) 2.2 Biographical overview As head of the EU Antitrust and Regulatory Practice at SophiaLex, Jean-Paul T...
Pauline Arroyo is a top attorney recognized by Best Lawyers in the practice area(s) of Customs and Excise Law, Insurance Law, Litigation and Product Liability Litigation. Pauline, 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 Pauline is held by other top lawyers in the same geographic and legal practice area.
Alexis Terray is a Partner in the Corporate/M&A/ Private Equity department of Winston & Strawn Paris. His practice focuses on mergers and acquisitions and corporate law. With extensive experience in leverage buy-out (LBO) transactions, he is recognized as one of the top specialized lawyers in France for advising investment funds and management teams.
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.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
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.
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
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.