Environmental law

Our team of specialist lawyers offers expertise in general environmental law, as well coastal, marine, waste, water, forest and industrial legislation.

The primary goal of our teams is to support, assist and defend operators, whether they be public or private companies, public institutions, local authorities, individuals or environmental protection associations.

Nationally recognized expertise in public and private environmental issues

Our teams offer tailor-made legal analysis with regard to all our clients’ environmental activities. Engaging the services of In Extenso Avocats means obtaining a clear-cut response to the complexity and changing nature of environmental legislation (French Coastlines Act, French Mountain Law, Grenelle Laws I and II, Natura 2000 law, etc.).

Leveraging our experience with local authorities, In Extenso Avocats also assists clients in efforts to create classified facilities, implement public enquires, conduct impact studies, draw up general protection schemes or develop and enhance a particular site.


The lawyers
in environmental law

Comprehensive support for public and private actors

If necessary, our lawyers can assist and represent clients before administrative, civil and criminal courts and any other judicial or arbitral body, particularly in the event of pollution or damage to a site. On a case-by-case basis, we are at our client’s side if an environmental crises emerges (writing press releases, for example), and can call on a partner public relations agency, if necessary.

Our vocation is to offer advice and legal security. Whether a private or public actor, In Extenso Avocats guarantees consistent support, reliable legal analysis and optimal defense thanks to the formation of teams made up of multidisciplinary specialists.

avocat en droit de l'environnement

What makes us different

Multidisciplinary, our network of business law firms is interprofessional. We work in close collaboration with all the expertise present within the In Extenso group which allows our clients to benefit from a single, multi-interlocutor, to support them in their creation projects, development, management or transmission, whatever their sector of activity and the size of their company.

As a human-sized local network, our teams provide advice and litigation to all decision-makers, public authorities and individuals throughout France.



Much more than a network…

In 2023, In Extenso Avocats has 50 employees including 22 associate lawyers and 21 lawyers and lawyers in collaboration who accompany on a daily basis VSEs, SMEs, liberal professions, communities, associations and foundations, executives and individuals in advice and litigation.

Our law firms, multidisciplinary, intervene in social law, tax, business law, real estate, civil law and international law. Some of them have more specific activities in public law, environmental law, insurance law, sports law and hotel-tourism-restaurant law.


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In Extenso Avocats brings together legal advice experts around common values who help companies (VSE, SME, ETI and large groups), associations, foundations, liberal professions, public authorities and more broadly all decision makers, to secure, manage and optimize their activity. Our lawyers also intervene in litigation to ensure the defense of the interests of their clients before the courts and jurisdictions concerned. Consulting subsidiary of the In Extenso group, French leader in accounting for small businesses and SMEs, In Extenso Avocats is a network of interprofessional business law firms combining legal professionals and professionals of the figure for a 360° support of companies and individuals.

Multidisciplinary, In Extenso Avocats helps its clients, all sectors of activity combined in multiple areas of law such as business law, commercial law, tax law, labour law and social protection, real estate and construction law, urban planning and regional planning law, environmental law, public law, intellectual property law including certified expertise in GDPR, family and heritage law and international law. Our lawyers are also recognized as experts in specific sectors of activity such as hospitality, catering, tourism or sports.

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