Catherine
Saint Geniest
Partner
Catherine Saint Geniest is a partner in charge of the real estate practice and Co-Managing Partner of Jeantet since January 2019.
She has developed extensive experience in complex real estate transactions such as real estate development contracts, commercial leases. She is also involved in sales operations, both in transactions and in litigation.
Catherine is a former member of the Paris Bar Council (2010-2012), Chartered Surveyor – MRICS and Knight of the Legion of Honor.
She is a lecturer at the French Bar Association Training School.
Background
Lawyer since : 1985
Bar. : Paris
Language(s) : French - English - Spanish
Training :
- Bar Training School (Ecole de Formation du Barreau), 1984
- Postgraduate degree in Law (Maîtrise en droit) – University of Toulouse 1 Capitole, 1983
- Bachelor of History (Licence d’histoire) – University of Toulouse Jean Jaurès, 1982
Member of :
- Royal Institution of Chartered Surveyors (RICS)
- Le Cercle des Femmes de l’immobilier (CFI)
Publications
- Real estate in the age of energy performance – Business Immo BIG, March 2023
- Commercial rent indexation: quicksand! – Business Immo, november 2022
- ITW Catherine Saint Geniest “Commercial leases: “The jurisprudence is still not fixed”. Jurishebdo Immobilier, 05/23/2022
- [FLASH NEWS] Commercial leases: when is an exclusively upward indexation clause divisible?
- Transition énergétique – Vers un nouveau durcissement progressif de la réglementation encadrant la rénovation énergétique des bâtiments – Loyers et Copropriété, 01/12/2021
- Chronique Baux commerciaux – Semaine Juridique Entreprise et Affaires ,11/11/2021
- Commercial Leases – The Notarial and Real Estate Legal Week, 05/07/2021
- Real Estate News – State of health emergency and rents: the judicial court rejects the lessor’s plea of non-performance, 05/03/2021
- Interview: Arbitration and commercial leases – Loyers et copropriété, décembre 2020
- State of emergency and commercial leases: dispute resolution in the service of emergency
- Guide des baux commerciaux 2019/2020
- La loi Pinel ne ressuscite pas la prescription biennale acquise – Option Finance, 24/07/2017
- Assistance to Caisse des Dépôts et des Consignations in connection with investments in several real estate projects.
- Advised La Française Real Estate Managers in connection with the acquisition of the Smart’Up building from Tishman Speyer.
- Assistance to a gym clubs company on all their real estate law issues.
- Assistance to a French retailer in all of its real estate law issues.
- Assistance to real estate investment and asset management companies in their real estate law issues (acquisition, leasehold rights, rental disputes, construction defects, etc.).
- Advised Agile Robots on the acquisition of thyssenkrupp’s Automated Engineering Unit
- Advised GIFI on its plan to sell thirty stores to Grand Frais
- Advised H2air in the conclusion of a strategic partnership with Icon Infrastructure LLP
Jeantet advises Agile Robots on its acquisition of thyssenkrupp’s Automation Engineering business unit
Paris, 24 November 2025 – Jeantet acting alongside the German law firm Arqis, advised the German company Agile Robots SE, a leading provider of AI-powered robotic solutions, on its acquisition of the Automation Engineering business unit of thyssenkrupp Automative Technology. The transaction is still subject to regulatory approvals and closing is expected to be completed […]
| CORPORATE – M&A – PRIVATE EQUITY | EMPLOYMENT | REAL ESTATE | IP, TECH & DATA LITIGATION | ENVIRONMENT
Jeantet advises GIFI on its plan to sell thirty stores to Grand Frais
Paris, October 24, 2025 – Jeantet is advising GIFI, a retailer specializing in home decor and general merchandise, in its discussions with GRAND FRAIS, a food retailer, regarding the sale of 25 to 30 stores. The agreements could be signed in early 2026, after consultation with GIFI’s employee representative bodies. The final completion of the […]
| REAL ESTATE | CORPORATE – M&A – PRIVATE EQUITY
Ginestié and Jeantet form a strategic partnership
Paris, June 20, 2025 – Jeantet and Ginestié Paley-Vincent announce the entry into a strategic partnership, effective October 1, 2025. This alliance is based on a common vision of the legal profession, its evolution, and its requirements. This partnership represents a significant milestone in the development of Ginestié Paley-Vincent, which has decided to join forces […]
Paris
JEANTET ADVISED H2AIR IN THE CONCLUSION OF A STRATEGIC PARTNERSHIP WITH iCON INFRASTRUCTURE LLP
Paris, 22 April 2025 – Jeantet advised H2air in the conclusion of a strategic partnership with funds advised by iCON Infrastructure LLP aimed at supporting H2air’s development and accelerating its growth. Founded in 2008, H2air is a leading independent developer of onshore wind and solar projects in France. Based in Amiens (Somme), the company currently […]
Paris | CORPORATE – M&A – PRIVATE EQUITY | FINANCING | EMPLOYMENT | REAL ESTATE | INTELLECTUAL PROPERTY
Jeantet advised WEINBERG CAPITAL PARTNERS in its investment in MARCEL VILLETTE GROUP, a specialist in landscaping and green space maintenance
Paris, 5 November, 2024 – Jeantet advised Weinberg Capital Partner’s WCP Impact Dev #1 in the context of the carve-out of the Marcel Villette Group, a leading player in the maintenance and creation of green spaces in Ile-de-France, in partnership with its CEO, Armand Joyeux and key executives. Founded in 1929 by Marcel Villette, the […]
Paris | CORPORATE – M&A – PRIVATE EQUITY
Jeantet advises La Française Real Estate Managers in connection with the acquisition of a commercial real estate complex in Montmarte
Paris, July 18, 2023 – Jeantet has assisted La Française Real Estate Managers (REM) in connection with the acquisition of a commercial real estate complex located at the foot of the Sacré Coeur in Paris. La Française Real Estate Managers has acquired “Le Pavillon”, an 863m2 commercial real estate complex built in the 1900s for […]
Paris | REAL ESTATE
Best Lawyers in France: 2024 Ranking
The firm is delighted with the ranking of 25 of its lawyers in the following categories: Jean-François Adelle Banking and Finance Law Bertrand Biette Insolvency and Reorganization Law Jacques-Henry de Bourmont Tax Law Thierry Brun Corporate Law Mergers and Acquisitions Law Yvon Dréano Corporate Law Mergers and Acquisitions Law Health Care Law Karl Hepp de […]
Paris | BANK-FINANCE-REGULATORY | LITIGATION – ARBITRATION – MEDIATION | COMPETITION AND ECONOMIC LAW | CORPORATE – M&A – PRIVATE EQUITY | ENERGY AND NATURAL RESOURCES LAW | TAX | REAL ESTATE | MERGERS & ACQUISITIONS (large & mid cap) | CAPITAL MARKETS AND STOCK EXCHANGE LAW | TECH & DATA | PUBLIC LAW – PUBLIC CONTRACTS | RESTRUCTURING – LAW OF COMPANIES IN DIFFICULTY
Real estate in the age of energy performance – Business Immo BIG, March 2023
Avec près de 980 millions de m² de bâtiments tertiaires, le secteur de l’immobilier tertiaire est responsable de 30 % des consommations d’énergie en France. Face à ce constat les acteurs se trouvent contraints d’investir dans la transition énergétique et écologique du parc immobilier existant.
Paris | PROJECT FINANCING / PUBLIC LAW / PPP | REAL ESTATE
Jeantet advises Otium Capital in connection with the acquisition of Atraltech
Paris, March 10, 2023, Jeantet has advised Otium Capital, an evergreen investment company managing the assets of Pierre-Edouard Stérin, founder of Smartbox, in connection with the acquisition of Atraltech, the security division of Hager Group, the European specialist in professional security solutions. Atraltech, the French specialist and leader in alarm systems, is becoming once again […]
Paris | CORPORATE – M&A – PRIVATE EQUITY
Jeantet advises La Française Real Estate Managers in the acquisition of the co-living residence in Huningue
Paris, on January 6, 2023 – Jeantet has advised “La Française Real Estate Managers” (REM) in the acquisition, on behalf of an institutional investor, of “The 226”, a VEFA co-living residence in Haningue, a city bordering Basel (Switzerland). This acquisition was carried out with Constructa Les Editeurs Urbains, specialists in development and promotion, a subsidiary […]
Paris | REAL ESTATE TRANSACTIONS
Commercial rent indexation: quicksand! – Business Immo, november 2022
Après une actualité jurisprudentielle fournie au cours des dernières années sur la validité des clauses d’échelle mobile limitant la variation indiciaire du loyer du bail commercial, c’est au tour du gouvernement et du législateur d’intervenir successivement pour contraindre l’indice des loyers commerciaux (ILC). Ainsi, par deux mesures à quelques mois d’intervalle, l’évolution indiciaire des loyers […]
Paris | REAL ESTATE
Best Lawyers in France : Rankings 2023
The firm is pleased to have 20 of its lawyers ranked, including 1 new entry in the following categories : Jean-François Adelle Banking and Finance Law Bertrand Biette Insolvency and Reorganization Law Jacques-Henry de Bourmont Tax Law Thierry Brun Corporate Law Mergers and Acquisitions Law Yvon Dréano Corporate Law Mergers and Acquisitions Law Karl Hepp […]
Paris | BANK-FINANCE-REGULATORY | LITIGATION – ARBITRATION – MEDIATION | COMPETITION AND ECONOMIC LAW | CORPORATE – M&A – PRIVATE EQUITY | ENERGY AND NATURAL RESOURCES LAW | TAX | REAL ESTATE | MERGERS AND ACQUISITIONS | CAPITAL MARKETS AND STOCK EXCHANGE LAW | TECH & DATA | PUBLIC LAW – PUBLIC CONTRACTS | RESTRUCTURING – LAW OF COMPANIES IN DIFFICULTY