THE FIRM
SCP Le Guerer, Bouniol-Brochier, Lassalle-Byhet is a law firm before the Council of State (Conseil d’Etat) and the Cour de cassation, which advises and represents its clients, including through legal aid, before the Council of State (Conseil d’Etat) and the Cour de cassation.
It also assists its clients, both public and private, before :
- All administrative courts (administrative tribunals, administrative courts of appeal, disciplinary courts and the national court of asylum).
- The French Constitutional Council, for the examination of priority preliminary rulings on issues of constitutionality and, in the context of a proceedings concerning the constitutionality of laws prior to enactment, the presentation of external contributions.
- The Court of Justice of the European Union, in the context of references for preliminary ruling or appeals, and before the General Court of the European Union.
- Independent administrative authorities (Autorité de régulation de la communication audiovisuelle et numérique (ARCOM), Autorité de contrôle prudentiel et de résolution (ACPR), Autorité des marchés financiers (AMF)…).
- The French Court of Conflicts.
- The European Court of Human Rights.
- The administrative panels of the Council of State during the examination of draft laws and decrees (written contributions).
OUR EXPERTISE
SCP Le Guerer, Bouniol-Brochier, Lassalle-Byhet acts in most areas of law, and more particularly in the following fields :
- Intellectual Property Law
Copyright and related rights
Trademarks
Design Law
Patents and supplementary protection certificates
Databases - IT Law
- Healthcare and Life Sciences
Product liability
Pharmaceutical and medical regulations
Biotechnology - Social Law
- General Private Law
Contracts
Civil liability
Family Law
Property Law
Estate - Economic and Commercial Law
Competition Law
Economic regulation Law
Public business Law
Company Law
Banking Law
Insolvency proceedings
Commercial leases
Consumer Law
Unfair competition
- Criminal Law
- Media
Press Law
Audiovisual Law - Tax Law
- General public Law
Constitutional Law
Proceedings for interim relief
Fundamental rights
Public contracts
Urban planning
Environment
Immigration Law
Asylum
Raphaële Bouniol-brochier
Raphaële Bouniol-Brochier is a graduate of Sciences-Po Paris (public affairs), the ESCP Business School (Grande École programme) and the University of Paris I Panthéon-Sorbonne (public law).
She worked with business law firms in London and Paris in the areas of competition law and public law. She then joined a law firm acting before the Council of State and the Cour de cassation and and then become herself a Lawyer at the Council of State and the Cour de Cassation.
She has developed a particular expertise in Economic Law (Competition Law, Regulatory Law, sanctions of Independent Administrative Authorities, Public business law, Public contracts) and in Fundamental Rights, Constitutional Law and Environmental Law. She is also active in other general areas of law, including Private Law, Commercial Law, Corporate Law, Labour Law and Criminal Law.
As an extension of his activity, Raphaële teaches banking and financial regulation law at Sciences Po Paris.
- Economic Law (public and private).
- Public Law.
- Competition Law.
- Environmental Law.
- Fundamental rights.
- Constitutional Law.
- Social Law.
- Criminal Law.
- Commercial Law.
- Corporate Law.
- L’instruction en urgence devant le juge de cassation, Revue Justice et Cassation, edition 2022 (co-authored with Nicolas Guérin).
- Mining, oil and gas exploration and exploitation activities in France: applicable law and planned reform, King & Spalding LLP publication, August 2014 (co-authored with Ruxandra Lazar).
- Concentrations – Chronicles, Concurrences n° 1 – 2011 (co-authored with Didier Théophile).
Martin Le Guerer
Martin Le Guerer holds a post-graduate degree in Intellectual Property Law from the University of Paris II Panthéon-Assas and is a graduate of Sciences-Po Paris (Master’s degree in Economic Law).
After three years within the Intellectual Property team of Lovells (2006-2008), he joined Carole Thomas-Raquin’s team in 2009 and acquired, at her side, a solid expertise in Private Business Law, Healthcare, Life Sciences and Intellectual Property Law, while training in administrative and criminal cassation.
Lawyer at the Council of State and the Cour de Cassation since 2018, he mainly intervenes in Private Law and has also developed a multidisciplinary practice in Public Law and Criminal Business Law. He is a member of numerous professional associations in the field of intellectual property.
- Intellectual Property.
- Healthcare and Life Sciences.
- Business Law.
- Banking Law.
- Insolvency Proceedings.
- Commercial Leases.
- Le contrôle de la Cour de cassation sur l’appréciation du risque de confusion en matière de concurrence déloyale, Communication commerce électronique, January 2023 (co-authored with Carole Thomas-Raquin).
- Le contrôle exercé par la Cour de cassation en matière de parasitisme, Communication commerce électronique, January 2022
La divulgation faite aux tiers d’un risque de contrefaçon ou d’une contrefaçon reconnue en justice, Communication commerce électronique, January 2021 (co-authored with Carole Thomas-Raquin). - La jurisprudence récente de la Cour de cassation sur le préjudice résultant de la contrefaçon, Communication commerce électronique January 2020 (co-authored with Carole Thomas-Raquin).
- L’articulation de l’action en concurrence déloyale et de l’action en contrefaçon dans la jurisprudence de la Cour de cassation, Communication commerce électronique, January 2019 (co-authored with Carole Thomas-Raquin).
- Le contrôle de proportionnalité en droit d’auteur devant la Cour de cassation, Communication commerce électronique, January 2018 (co-authored with Carole Thomas-Raquin).
Vincent Lassalle-Byhet
Vincent Lassalle-Byhet is a graduate of Sciences-Po Paris (School of Law), and the University of Paris I Panthéon-Sorbonne (Private Law). He has developed a particular expertise in Contract Law, Civil liabiliy, Criminal Law and Procedure, and in Fundamental Rights, as well as Nationality Law.
He was also elected second secretary of the Conférence du stage des avocats au Conseil d’État et à la Cour de cassation (2021-2022). As part of his duties, he handled criminal cassation cases previously handled by secretaries of the Conférence du stage du barreau de Paris, as part of the partnership between the two Conférences.
His practice covers all areas of law, including civil, administrative, criminal and employment law.
As an extension of his activity, Vincent regularly provides training in Nationality Law.
- Contract Law
- Civil Liability Law
- Intellectual Property and Unfair Competition
- Civil Procedure
- Criminal Law
- Criminal Procedure
- Fundamental Rights
- Nationality Law
- L’interruption et la suspension de l’instance de cassation (vingt ans après), Revue Justice et Cassation, 2025
- L’action négatoire de nationalité rime toujours avec imprescriptibilité, Recueil Dalloz 2020, p. 1780
Bernard Hémery
Bernard Hémery, who holds a PhD in public law and is a graduate of Sciences-Po Paris, was an assistant in Public Law and Constitutional Law at the University of Paris II Panthéon-Assas, first secretary of the Conférence du stage des avocats aux Conseils and then a lawyer at the Council of State and the Court of Cassation from 1992 to 2022. He also taught comparative civil, criminal and administrative annulment techniques (technique de cassation) at the University of Paris II Panthéon-Assas in the context of a partnership with the Ordre des avocats aux Conseils.
- La question prioritaire de constitutionnalité – QPC, Guide pratique, 2nd édition, Gazette du palais, LGDJ (collective work).
- La création du droit jurisprudentiel, Mélanges en l’honneur de Jacques Boré, Dalloz (collective work).
Carole Thomas-Raquin
Carole Thomas-Raquin holds a postgraduate degree in General Private Law from the University of Paris II Panthéon-Assas and has been a lawyer at the Council of State and the Cour de Cassation since 1986. In addition to her expertise in Intellectual Property Law, Healthcare and Life Sciences and Commercial Law, she is active in all areas of Private Law. She taught Civil Law at the University of Panthéon-Sorbonne and cassation in civil matters at the Institut de Formation et de Recherche des Avocats aux Conseils. She is a member of numerous professional associations in the field of intellectual property.
- Intellectual Property.
- Healthcare and Life Sciences.
- Competition.
- IT Law.
- General Private Law.
- Commercial Law.
- Le contrôle de la Cour de cassation sur l’appréciation du risque de confusion en matière de concurrence déloyale, Communication commerce électronique, January 2023(co-authored with Martin Le Guerer).
- Le contrôle exercé par la Cour de cassation en matière de parasitisme, Communication commerce électronique, January 2022(co-authored with Martin Le Guerer).
- La divulgation faite aux tiers d’un risque de contrefaçon ou d’une contrefaçon reconnue en justice, Communication commerce électronique, January 2021 (co-authored with Martin Le Guerer).
- La jurisprudence récente de la Cour de cassation sur le préjudice résultant de la contrefaçon, Communication commerce électronique, January 2020 (co-authored with Martin Le Guerer).
- L’articulation de l’action en concurrence déloyale et de l’action en contrefaçon dans la jurisprudence de la Cour de cassation, Communication commerce électronique, January 2019 (co-authored with Martin Le Guerer).
- Le contrôle de proportionnalité en droit d’auteur devant la Cour de cassation, Communication commerce électronique, January 2018 (co-authored with Martin Le Guerer).
LAURENT STOUFFS
Lawyer. Sciences Po Paris (Master 2). King’s College London University (LL.M). Lecturer in Public Law at Sciences Po Bordeaux.
AGATHE RAQUIN
Lawyer. Master 2 General Private Law (Paris II Panthéon Assas). College of Law - Law School (Paris II Panthéon Assas).
CAROLINE PELLETIER
Consultant. Associate Professor of Law. Professor at Cergy Paris University.
ALICE ABBADIE
Lawyer. Master 2 in Justice and Civil Procedure (University of Paris II Panthéon-Assas). Master 1 Private Law (University of Paris II Panthéon-Assas). Master 1 History of Art (University of Paris IV Paris-Sorbonne)
ANNE-LISE SAUNIER
Lawyer. Master 2 in Justice and Civil Procedure (University of Paris II Panthéon-Assas)
CATHERINE PFISTER
CAROLE LECUIT
FATOUMATA KOITA
