GMH Notaires, your civil law notaries' office in Issy-Les-Moulineaux, at the heart of the Grand Paris Seine Ouest area.

GMH NOTAIRES is a team of 11 notaries, 38 lawyers and specialized collaborators, who support individuals and professionals in their projects.

We assist both private individuals and professionals with specialist advice in all fields of expertise, thus providing our clients with a comprehensive view on their operations.

Our human-sized structure combines both specialisation and complementarity. Our different departments’ close cooperation enables our customers to get personalised advice on the various operations for which they entrust us.

The iso 9001-2008 certification obtained in July 2013, then confirmed by the new 2015 version of the standard in 2016, and renewed in 2019, ensures our customers an efficient and timely processing of their file. Each field of activity requires specific techniques and requires specific know-how.

GMH obtained in 2019 the label “Notaire conseil en droit de l’environnement” :

GMH is a member of the business law group “Notaires Conseil d’Entreprise” :

The civil law notaries

Civil law notary & Partner

Olivier Herrnberger

Olivier joined the office in 1998 and has been a partner since July 2000.
After spending his first four years at the Orléans Law School...

Olivier joined the office in 1998 and has been a partner since July 2000.

After spending his first four years at the Orléans Law School, he obtained a DESS in notarial law (1993) and then the Diplôme Supérieur du Notariat (1997) from the University of Paris 1.

He defended his dissertation with Professor Denis Mazeaud on "the particularities of a mass distribution company sale".

In parallel with his activities as a notary, he has long been involved in teaching, successively as a lecturer in Orléans in property law and company law (1993-1997) then as a lecturer in the Master II in real estate law directed by Professor Perinet-Marquet at Paris II Panthéon Assas (2004-2012). He continues to give regular training courses (INAFON, LEXTENSO and ELEGIA).

Olivier is a regular author of LEXIS NEXIS and LAMY- WOLTER KLUWERS editions on real estate matters. More particularly sensitive to pollution and environmental issues, he is a member of the editorial board of the journals "BULLETIN DE DROIT DE L'ENVIRONNEMENT INDUSTRIEL" and "ENVIRONNEMENT ENERGIE ET INFRASTRUCTURES", and holds with Professor Mathilde BOUTONNET a chronicle of jurisprudence.

He is a member of the Institut d'Etude Juridiques du Conseil Supérieur du Notariat and of the Scientific Committee of the CRIDON DE PARIS.

He was General Reporter of the 2011 French Notaires' Congress on the theme of financing and is the President of the Congress to be held in 2021 on the theme of "digital and the law", the aim of which will be to study the impact of digital technology on the content of the rule of law, in the areas of individual rights, heritage and contracts.

In parallel to his work as a notary, Olivier was Chairman of the Supervisory Board of a credit company and sits on the Board of Directors of the National Chamber of Owners.

He has exercised ordinary functions being elected by his peers as vice-president then president of the Chambre des Notaires des Hauts de Seine (May 2012/May 2015).

Former reserve officer of the National Gendarmerie (EOR 93/11), he is President of the Issy les Moulineaux Committee of the Amis de la gendarmerie.

He is more particularly in charge of the complex real estate sector, development, commercial real estate and local authorities.

Civil law notary & Partner

François Burneau

François BURNEAU joined GMH notaires in 2012. He was appointed as a notary on March 8, 2013. Before joining GMH notaires, François worked in family law departments as an assistant...

François BURNEAU joined GMH notaires in 2012. He was appointed as a notary on March 8, 2013.

Before joining GMH notaires, François worked in family law departments as an assistant notary in the OURY-NARBEY-FONTAINE & MARTIN law firm in PARIS 8 then in the POISSON-GROSSE & DUMONT law firm in PARIS 7.

He heads the family property law department of the Office. He has been a notary since 2005 and holds a master's degree in wealth management obtained from the University of CLERMONT-FERRAND in 2007.

He defended a dissertation on "Inheritance rights in an international context.

François is one of the twenty French civil law notaries holding the Certificate of Specialisation in International Law and chairs the Private International Law Commission of the "Chambre des notaires des Hauts de Seine"

Civil law notary

Sébastien Crastre

Graduated from a Master 2 in Business Law at the University of Paris II Panthéon-Assas, under the supervision of Professor Hervé SYNVET, in 2012 and a Master 2 in Notary Law...

Graduated from a Master 2 in Business Law at the University of Paris II Panthéon-Assas, under the supervision of Professor Hervé SYNVET, in 2012 and a Master 2 in Notary Law at the University of Paris-Dauphine, under the supervision of Professor Louis-Perreau SAUSSINE, in 2015.

Sébastien has defended, under the direction of Professor Daniel Cohen, a dissertation on "Banker's liability in case of undercapitalization" and in 2018, under the direction of Professor Hugo BARBIER, he defended his internship report for his higher diploma in notarial law, on "The influence of disability and corporate law on the real estate financing of a family civil company".

Civil law notary & Partner

François-Xavier Munoz

After a master's degree in law at the University of Paris V René Descartes and the Diploma of the Centre Supérieur d'Etude Notariale in 1999, he obtains a DESS...

After a Master's degree in law at the University of Paris V René Descartes and the Diploma of the Centre Supérieur d'Etude Notariale in 1999, he obtained a DESS in notarial law in 2000 and then the Diplôme Supérieur du Notariat.

He defended a dissertation on "the compensation of construction damages".

After several years of training in Paris, he joined GMH Notaires in 2004 as an associate and became a partner in June 2010.

He and his team are in charge of real estate transactions and financing for private individuals.

François-Xavier is twice French rugby champion, veteran category, in 2016 and 2018.

Civil law notary

Catherine Lecapelain

Holder of a MASTER 2 in notarial law at the University of Paris-Dauphine in 2013 and a MASTER 2 in professional property law at the University of Paris-Dauphine in 2014...

Holder of a MASTER 2 in notarial law at the University of Paris-Dauphine in 2013 and a MASTER 2 in professional property law at the University of Paris-Dauphine in 2014.
She joined GMH Notaires in July 2014.
Civil law notary & Partner

Clothilde Greff

Clothilde GREFF joined GMH notaires in 2002.
She was appointed as a notary in June 2010.
After obtaining a DEA in Private Estate Law at the University of PARIS I...

Clothilde GREFF joined GMH notaires in 2002.

She was appointed as a notary in June 2010.

After obtaining a DEA in Private Estate Law at the University of PARIS I La Sorbonne in 1998, she obtained a DESS in Notarial Law in 2001 and then the Diplôme Supérieur du Notariat in 2003 from the University of PARIS I.

She wrote a dissertation with Professor Périnet-Marquet on "Le juge des référés et le droit de biens" as part of her DEA and on "Les baux commerciaux dans les ventes en état futur d'achèvement" as part of her DESS.

She co-leads with Me Olivier HERRNBERGER the department of professionals, and more particularly manages the department of local authorities.

From 2010 to 2013, she was a lecturer in the Master II in Real Estate Law directed by Professor Perinet-Marquet at Paris II Panthéon Assas.

She participates with the Paris Notaries' Chamber in the work of the Association des Notaires des Métropoles Européennes (ANME) and is in charge of relations between the Hauts-de-Seine and Moscow Notaries' Chambers.

She is co-chair of the "Communities" Commission of the Chamber of Notaries of the Hauts-de-Seine and was a member of the "Companies and Corporations" Commission.

Finally, she carried out an ordinary mission as a member of the Chamber of Notaries of the Hauts-de-Seine from May 2015 to May 2018.

In 2020, Clothilde obtained a Master II in public law at the University of Aix-Marseille.

Civil law notary

Olivia Giauffer

As a qualified notary, Olivia joined GMH in 2016. She assists purchasers in sales programs in future state of completion and is available to study with them the terms of...

As qualified notary, Olivia joined GMH in 2016.

She manages the VEFA department and, within this framework, leads a team of 5 people who ensure the support of buyers in sales programs in future state of completion.

She is at the disposal of buyers to study with them the terms of their financing or the ownership of their property (SCI, indivision.....) or to make an assessment of their marital situation.
She was appointed as a notary by order of the Minister of Justice on May 16, 2018 and was sworn in before the High Court of NANTERRE on June 6, 2018.
Olivia Giauffer obtained a DEA in private law at the University of Nice-Sophia Antipolis in 2006, then a DESS in notary law at the University Panthéon-Assas (Paris 2) and finally the DSN (higher diploma of notary) in 2010. She is also active as a lecturer and tutor at the University of Law of Evry-Val-d'Essonne.

Scientific advisors

Lecturer in public law

Charles Froger

Charles holds a Doctorate in Law from the University of Bordeaux, where he defended, in December 2013, a doctoral thesis on La prescription extinctive des obligations en droit...

Charles holds a Doctorate in Law from the University of Bordeaux, where he defended, in December 2013, a doctoral thesis on La prescription extinctive des obligations en droit public interne (Dalloz, coll. Nouvelle Bibliothèque de Thèses, 2015).
Since September 2014, he has been a Lecturer in Public Law at the University of Paris 1 - Panthéon Sorbonne where he teaches in particular planning law.

In addition to his teaching activities, he conducts research activities in the field of administrative law. He thus has expertise in administrative litigation law, public contracts law, public property law and town planning law.

He joined GMH Notaires as a scientific advisor in 2018 and is a valuable support on public law issues.

Associate Professor of Private Law

Gwénaëlle Durand-Pasquier

Gwénaëlle Durand-Pasquier is an Associate Professor of Universities...

Gwénaëlle Durand-Pasquier is an Associate Professor of Universities .

Gwénaëlle holds a Doctorate in Law from the University of Paris I Panthéon-Sorbonne, where she defended a doctoral thesis in 2005 on "The project owner - Contribution to the harmonization of the company contract system".

Professor at the Faculty of Law and Political Science of the University of Rennes I, she has also been posted at the University of Artois and teaches in Master II at the University of Paris II Panthéon-Assas, mainly real estate law, contract law and construction law .

In addition to her teaching activities, she carries out research activities in the field of contract, liability and construction law. In this capacity, she is the author of several articles and a member of research groups as well as of the Scientific Council of specialized journals. She thus has expertise in contract and liability law, property law, as well as real estate and construction law.

She joined GMH Notaires as a scientific advisor in 2018.

Associate Professor of Law

Pierre Callé

Pierre Callé is an associate professor of private law at the University of Paris-Saclay where...

Pierre Callé is an associate professor of private law at the University of Paris-Saclay where he is the director of the
notarial law.
He specializes in private international law, particularly notarial law, and is the author of several books and articles of reference.
In this respect, he is the author of the international in the Répertoire Defrénois. He provides numerous professional training courses
He also assists the Council of Notariats of the European Union in the European projects in the European projects "Europe for Notaries - Notaries for Europe" and "MAPE
successions".
He joined GMH Notaires as a scientific advisor in 2021 where he brings his his expertise on private international law issues.