Intellectual property and rights of use

Content posted by the Publisher

The Publisher is the owner of the content of this website that it has put online.
The content of this website is protected by literary and artistic property, the Berne Convention and the Intellectual Property Code.
Any reproduction, other than for the private use of the user of the site for public distribution by any means is strictly prohibited without the prior written permission of the webmaster of the site.
Copyright notices must be visible on each copy of the publication, whether it is used in whole or in part.
Any unauthorized use of the site or its content, the information disclosed therein and the photographs presented therein, would engage the responsibility of the user and would constitute an infringement punishable in particular by articles L 335-2 and following of the Intellectual Property Code.
The Publisher’s trademarks and logos appearing on the site are protected.
Any reproduction or representation, in whole or in part, of these trademarks or logos, alone or integrated into other elements without the express prior authorization of the Publisher is prohibited and would engage the responsibility of the user within the meaning of Articles L 713-2 and L 713-3 of the Intellectual Property Code.

Contents of the site

The information contained on the site does not engage the responsibility of the Publisher when the latter is not the author of this information.
The Publisher makes no warranty, express or implied, and assumes no responsibility for the use of this publication.
In no event shall the Publisher or any third party involved in the creation of this site be liable or responsible to any user or any other party for any direct or indirect, special, special, special or incidental damages arising from the use of this site or any other hyperlinked site, including, without limitation, loss of profit, business interruption, loss of programs or other data in the user’s or other information management system, even if the Publisher is expressly advised that such damages are possible.
The reproduction and distribution of a person’s image or video must respect the principles of image rights and privacy.
The Publisher does not guarantee the quality, accuracy, currency, order or completeness of the information or documents on this site, and is not obliged to update this information.
The other documents are presented for information purposes only and do not bind the Publisher.

Personal data protection and cookie management policy

This privacy policy applies to the website and explains how your data is collected, used and what your rights are with regard to the processing of your data.
The company « a contrario » is responsible for the processing of personal data for external communication, within the meaning of Regulation (EU) 2016/679 of 27 April 2016.
Such processing shall be recorded in a register kept by the Data Protection Officer appointed by the Data Controller and shall be based on the latter’s legitimate interest in presenting and explaining the activities he or she carries out.

The definitions

Personal data: any information relating to an identified or identifiable person, directly or indirectly.

Processing of personal data: this refers to any operation involving personal data (collection, recording, extraction, modification, etc.)

Data controller: this is the natural or legal person who determines the purpose and means of the processing.

DGPS: This is the General Regulation on the Protection of Personal Data, which is the reference text on the protection of personal data, reinforcing and standardising data protection for individuals within the European Union.
Data Protection Officer: this is the person appointed by the controller to inform and advise the body and its employees, monitor compliance with the Regulation, be contacted by the data subjects for questions relating to their rights, cooperate with the CNIL and be its contact point.
Supervisory authority: an independent public authority established by a Member State to supervise the application of applicable laws on the protection of personal data (Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 (General Regulation on the Protection of Personal Data); the texts adopted by the European Union and French legislation may apply to the protection of personal data processed under this Contract.

The purposes of the processing operation

We process your data to provide you with the expected site features. You will be able to browse our site to find out about the activities, services we are developing and the tools we offer.
Some of the information collected may allow us to understand, improve and develop our site according to your needs.

The data collected and associated storage periods

We collect the personal data you provide us by filling out forms, subscribing to online services or sending us correspondence.
The personal data concerning you are kept for the duration necessary to achieve the purpose of the processing.
When you open and browse our website, a tracking tool generates and places one or more cookies on your device.

Functionalities of the cookies used on our site

Non-persistent cookies
The cookies generated are temporary. Some may persist on your device for up to a few hours after you close your browser. It is not intended to recognize your device during your subsequent consultations.
These cookies are strictly necessary to allow you to browse the site and to provide you with certain features you have requested. Without these cookies, the website could not function properly and the services you request, such as access to restricted pages, could not be offered to you.

Persistent cookies
These cookies may collect your device ID, location, preferences (language, pages viewed, etc.), etc.
The data collected are kept for a maximum of 13 months.

Cookies for audience measurement
They make it possible to understand the use and general frequentation of the site in order to improve it.

Third-party cookies for content sharing on social networks
They facilitate the sharing of site content on different social platforms or to let others know your consultation or opinion.

Third-party advertising cookies
They make it possible to enrich the site with multimedia content and to view the videos offered.

Manage cookies
You can express your cookie preferences directly to the site by going to the cookie manager.
Refusal to accept social cookies will prevent any interaction with social networks. Similarly, the refusal to accept third-party advertising cookies will prevent the videos from being viewed.
In your browser or mobile device preferences, you can disable certain cookies at any time. The method of disabling cookies may vary depending on the device and browser, but is usually found in the Preferences or Security Settings sections. It will be described in the help menu of your browser.

The recipients of your data

In order to achieve the above-mentioned purpose(s), your data may be transferred:
– To all entities of the Caisse des Dépôts Group for the provision of a service
– To our subcontractors for the sole purpose of subcontracting

Transferring your data
No data transfers outside the European Union are carried out.

Data security
The controller has taken technical and organisational measures to guarantee you an adequate level of security when you use our services.
The service providers we use also undertake to guarantee the confidentiality and security of the information transmitted.

Your rights
Designation of the delegate and right of access

In accordance with Regulation (EU) 2016/679 of 27 April 2016, you may access your personal data, request the rectification or erasure of your personal data, obtain a restriction on the processing of such data or object to it for legitimate reasons, except in cases where the regulations do not allow the exercise of these rights, at the following address: If you consider that your rights have not been respected, you may file a complaint with a supervisory authority.


If you think that the Publisher has not respected the above points, please let us know by sending a letter to the following address: a contrario, 128 Rue de la Boétie. We will then identify and correct the problem.

Changes to the terms and conditions

The Publisher may at any time modify these terms and conditions by updating this site. These changes are binding on you and we recommend that you consult this site regularly to review the terms and conditions in effect.
Mediation of consumption – Art L 616-1 and R 616-1 of the Consumer Code.



Capital :  10,000€
Registration No : 789 126 067 RCS Paris
Address : 128 Rue de la Boetie, 75008 Paris, France
Email address :
Publishing Director : Jérôme Cornille


Host server : OVH
Host server address : 2 rue Kellermann,
59100 Roubaix France
Tel:+33 (0) 8 203 203 63

CCO – licensed image


Designer : Dorota Dolenc –