Team

François-Henri BRIARD
Partner, Supreme Court Attorney
Education:
- Post graduate degree (DEA) in Private Law, University of Paris II (Panthéon-Assas)
- Graduate of the Paris Institut d’Études Politiques, Public Service section
- Graduate of the European Communities University
- Successfully completed the certification examination for admission to practice before the Council of State and the Court of Cassation (CAPAC)
- Second Secretary of the pleading competition for counsel admitted to practice before the Council of State and the Court of Cassation (1985)
- Auditor, National Defense Higher Education Institute (IHEDN), 2005-2006 national session, CASTEX class
Practice areas:
All matters within the jurisdiction of the Council of State and the Court of Cassation, in particular:
- Public business law
- Economic regulation
- Competition law
- Broadcasting law
- Real estate and urban planning law
- Tax law
- Social economy law
- European Union law
- U.S. law
François-Henri Briard is a Knight of the Legion of Honor, an Officer of the National Order of Merit and a Knight of the Palmes Académiques.
He was a member of the Governing Board of the Bar of the French Supreme Courts (2003-2005).
François-Henri Briard was a trustee of Sarah Lawrence College in New York for eight years. He is President of the Institut Vergennes, a member of the U.S. Supreme Court Historical Society and an honorary member of the Society of the Cincinnati and of the Sons of the American Revolution. He is also an expert with the Federalist Society, a U.S. think tank that focuses on constitutional and judicial issues (https://www.fed-soc.org/experts/detail/franois-henri-briard).
He is a member of the Institute of Consulting Tax Attorneys (IACF) and an associate member of the Academy of Moral Sciences, Letters and Arts of Versailles and Ile de France.
He is a member of the French Navy civilian reserve with the rank of frigate captain and has been awarded a medal by the voluntary military services. On behalf of the Firm, he received the Military Reserve Prize (2011).
Publications:
- International divorces, supreme courts and strategies, December 2020
- Closure of cinemas and theatres in France : The Arts and Culture communities before the Council of State, Le Monde , December 2020
- Covid-19 in France: what does the Law say regarding coercive isolation measures ?, Le Point, December 2020
- Tax litigation: French telecom operator Orange wins before the French Council of State, November 2020
- Covid-19: Freedom of worship before the French Council of State, Radio Notre Dame, November 2020
- Covid-19: Freedom of worship before the French Council of State, Le Figaro, November 2020
- The US Supreme court and American Society, Le Journal Spécial des Sociétés , October 2020
- French Council of State and personal freedom during the Covid-19 pandemic, September 2020
- The French supreme courts: a presentation by François-Henri Briard, September 2020
- US Supreme Courts : nomination and confirmation process, Les Nouveaux Cahiers du Conseil Constitutionnel, September 2020
- Witholding tax: EU Court of Justice v. French Supreme Court, July 2018
- European Court of Justice and Security Services: an emerging conflict?, January 2018
- French Council of State, Rule of law, and tax litigation, Journal spécial des sociétés, October 2017
- French elections : composition of the government, Le Journal spécial des sociétés, May 2017
- Presidential elections and judicial power, March 2017

Floriane BEAUTHIER
Member of the Paris Bar (2011)
Education:
- Master’s degree in Public Affairs, Paris Institut d’Études Politiques
- Master’s II degree in Public Law Litigation, University of Paris I (Panthéon-Sorbonne)
- Lecturer in general administrative law, University of Paris I (Panthéon-Sorbonne) (2011)
- Training and Research Institute for members of the Bar of the Supreme Courts (IFRAC) (ongoing)
Floriane Beauthier also audited the first “Grandes Écoles” session of the National Defense Higher Education Institute (IHEDN) (2007).
Floriane Beauthier is a member of the French Navy civilian reserve and holds the rank of Lieutenant.
Practice areas :
- Constitutional law (preliminary constitutionality issues and ex ante review)
- General administrative litigation
- Liability of public entities
- Environmental litigation (renewable energy, waste management)
- Urban planning and commercial urban planning law
- Health law
- Disciplinary disputes (civil servants, contractual employees, professional associations)
- Electoral disputes (Council of State and Constitutional Council)
- Appeals before the Court of Cassation in civil and criminal matters

Marie-Sixtine BLANCHY
Member of the Paris Bar (2014)
Education:
- Specialized Master’s degree in Law and International Management, HEC Paris (2012)
- Master’s II degree in Economic Analysis of Law, University of Paris X (Nanterre) (2011)
- Master’s I degree in General Business Law, University of Paris II (Panthéon-Assas) (2010)
Practice areas:
- General civil law
- Commercial law
- Banking and financial law
- Security interests law
- Competition law
- Real estate law
- Employment law
- Intellectual property law

Stéphane BONICHOT
Member of the Paris Bar (2010)
Education:
- Double Master’s degree in French and German law, University of Cologne and University of Paris I (Panthéon-Sorbonne)
- Master’s of law and economic globalization, Paris Institut d’Études Politiques and University of Paris I (Panthéon-Sorbonne)
- LL.M., London School of Economics and Political Sciences
- Training and Research Institute for members of the Bar of the Supreme Courts (IFRAC) (ongoing)
Practice areas:
- General civil law
- Commercial, banking and financial law
- Security interests law
- Competition law
- Intellectual property law
- General and special criminal law
- Law of Monaco
- International economic law
- General administrative disputes
- Franco-German law

Guillaume CANSELIER
PhD in Law
Education:
- Post-graduate degree (DEA) in Private Law, University of Paris I (Panthéon-Sorbonne) (top student in the class)
- PhD in Law, University of Paris I (Panthéon Sorbonne) (dissertation on the analysis of medical liability, published in 2010)
- Associate member of the Paris comparative law research center and of the “Yan Thomas” legal standards study center of the Social Sciences
- Higher Education School (EHESS)
Practice areas:
- Law of obligations (contracts, civil liability, quasi-contracts, obligations regime)
- Property law
- Family law
- Criminal procedure
- Credit law

Catherine CHAUVELIER
Member of the Paris Bar (1990)
Education:
- Graduate of the Paris Institut d’Études Politiques, Public Service section
- Post-graduate degree (DEA) in Public Law, University of Paris I (Panthéon-Sorbonne)
- Post-graduate degree (DESS) in Taxation and Business Law, University of Paris I (Panthéon-Sorbonne)
- Post-graduate degree (DEA) in European Law, University of Paris I (Panthéon-Sorbonne)
Practice areas:
- Domestic, international and European Union tax law
- Mutual insurance and social economy law
- Insurance law (supplemental health insurance, personal protection insurance, life insurance)
- General administrative litigation
- Proceedings before the financial courts and before the Constitutional Council
- European litigation (ECHR, CJEU)

Philippe CHIFFAUT-MOLIARD
Member of the Paris Bar (1991)
Education:
- Post-graduate degree (DEA) in Private International Law, University of Paris I (Panthéon-Sorbonne)
- Post-graduate degree (DEA) in General Private Law, University of Paris I (Panthéon-Sorbonne)
- Teaching Assistant, University of Maine (France) Law School
Practice areas:
- Transportation law
- Insurance law
- Maritime law
- Property law and rural law
- Procedural law

Benjamin de DREUZY
Member of the Paris Bar (2016)
After becoming a member of the Paris Bar in 2015, Benjamin de Dreuzy joined the Firm, where he practices essentially in the public law department.
Education:
- Master’s II degree in In-depth Public Law, University of Paris II (Panthéon-Assas)
- Master’s II degree in Public Law Litigation, University of Paris I (Panthéon-Sorbonne)
Practice areas:
- General administrative law
- Regulation of the broadcasting sector
- Civil service law
- Local government law
- Litigation before the European Court of Human Rights
Publications:
- French Council of State and Audiovisual regulatory, December 2020
- Electoral competition and editorial and journalistic freedom: which place for the broadcasting law?, Legipresse , April 2017
- Broadcasting license for Channel Numero 23: decision of the French Conseil d’Etat before the Parliament, February 2017

Pierre MASQUART
Member of the Paris Bar (1994)
Education:
- Post-graduate degree (DESS) in Business Law and Taxation, University of Nancy II
- Master’s degree in European and International Management, Reims Business School
- Second Secretary of the pleading competition for counsel admitted to practice before the Council of State and the Court of Cassation (2003)
Practice areas:
- Tax litigation
- Tax procedures
- French, European and international tax law
- Real estate law
Pierre Masquart is a former assistant editor of the “Tax Law” review and is currently a member of the FNAIM real estate law think tank.
Publications:
- Corporate tax : focus on the latest key decisions made by French Council of State, La Semaine Juridique – Entreprise et Affaires , March 2021
- Intra-group loans in France: watch out for tax adjustement!, DAF Magazine, December 2020
- Tax litigation: French telecom operator Orange wins before the French Council of State, November 2020
- Abuse of tax law and French Council of State, October 2020
- Tax abuse : artificiality first !, January 2018
- New EU rules in preventing tax evasion: are the lawyers the new target?, July 2017

Dominique MOLINARI
Member of the Paris Bar (1991)
Education:
- Post graduate degree (DEA) in Business Law, University of Paris II (Panthéon-Assas)
Practice areas:
- Private law
- Law of contracts
- Liability law
- Negotiations: strategy and support

François NEGREL-FILIPPI
Member of the Paris Bar (2013)
Education:
- Master’s II degree in Criminal Law and Criminal Policy in Europe, University of Paris I (Panthéon-Sorbonne)
- Certificate in Criminal and Procedural Sciences, Criminology Institute, University of Paris II (Panthéon-Assas)
- PhD in Law, University of Paris I (Panthéon-Sorbonne)
- Lecturer in Criminal Law, Criminal Procedure and Legal History at University of Paris Est-Créteil
Practice areas:
- Criminal law and criminal business law
- Criminal procedure
- Family law
- Labor law

François VIDEAU
Member of the Paris Bar (1992)
Education:
- Graduate of the Paris Institut d’Études Politiques, Public Service section
- Master’s degree in Public Law, University of Paris II (Panthéon-Assas)
- Master’s degree in Private Law (specialization in business law) University of Paris II (Panthéon-Assas)
Practice areas:
- General administrative law and constitutional law (preliminary constitutionality issues)
- Law of public contracts
- Urban planning and development law
- Environmental law (environmentally sensitive facilities, foreseeable natural risk prevention plans, etc.)
- Public property and expropriation
- Public health law and pharmaceutical law
- Social security law
- Administrative liability

Elie WEISS
Member of the Paris Bar (2017)
Education:
- Successfully completed the certification examination for admission to the French Bar (2016)
- Master’s II degree in Constitutional Law and Fundamental Rights, University of Paris I (Panthéon-Sorbonne)
Practice areas:
- General administrative law
- Administrative property law
- Public business law
- Environmental and urban planning law
- Civil service law
- Litigation of human rights and fundamental rights issues (constitutional law, European Court of Human Rights)
Publications:
- International divorces, supreme courts and strategies, December 2020
- Unreasonable obstinacy: is the judge a fantasy doctor?, Revue générale de droit médical, December 2017
- Is the French State responsible for minor children’s escape to Syria?, Revue Défense Nationale, July 2017
- French reform in urban planning law: which rules for authorization of occupying public land?, Revue des collectivités locales, July 2017
- Secularism in France: an exception in Europe?, May 2017
Support team
Executive assistant
- Olivia de MONTBRON
Private and Criminal law department
- Najlaâ ELAIDI
- Carole LECUIT
Public law department
- Badia DAIF
- Isabelle GARCIA
- Noluenn de la HERVERIE
Knowledge management
- Sabine Partouche