--- title: "Constitutional Litigation" id: "2001" type: "expertise" slug: "constitutional-litigation" published_at: "2026-01-24T03:56:52+00:00" modified_at: "2026-05-12T08:51:24+00:00" url: "https://augustdeboustg.wpenginepowered.com/en/expertise/constitutional-litigation/" markdown_url: "https://augustdeboustg.wpenginepowered.com/en/expertise/constitutional-litigation.md" excerpt: "Bringing your constitutional challenges before the courts Through priority constitutional questions, litigants can challenge the constitutionality of statutory provisions that may infringe rights and freedoms protected by the Constitution. These proceedings require a deep command of constitutional law and the..." taxonomy_language: - "English" taxonomy_post_translations: - "pll_69744304a372b" taxonomy_tax_expertise: - "Constitutional Litigation" taxonomy_tax_famille_expertise: - "Dispute Resolution" --- Menu Interagir avec notre IA Practice Areas (66) Transactional- [Artificial intelligence](https://augustdeboustg.wpenginepowered.com/en/expertise/artificial-intelligence/) - [Capital Markets](https://augustdeboustg.wpenginepowered.com/en/expertise/capital-markets/) - [Commercial and International Contracts](https://augustdeboustg.wpenginepowered.com/en/expertise/commercial-and-international-contracts/) - [Commercial Contracts and Strategic Partnerships](https://augustdeboustg.wpenginepowered.com/en/expertise/commercial-contracts-and-strategic-partnerships/) - [Competition Law, European Regulation and FDI](https://augustdeboustg.wpenginepowered.com/en/expertise/competition-state-aid/) - [Consumer, Marketing & Advertising](https://augustdeboustg.wpenginepowered.com/en/expertise/distribution-and-consumer-law/) - 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These proceedings require a deep command of constitutional law and the ability to construct a rigorous and persuasive argument before the courts. 0 0 Our team draws on the experience of former senior civil servants, including a former member of the Conseil d’État, to provide the highest level of expertise. We assist clients in preparing and presenting constitutional challenges before administrative and judicial courts, through to the Constitutional Council. Our work includes assessing admissibility, drafting submissions, managing proceedings before the referring courts, and preparing observations before the Constitutional Council. We also intervene upstream to assess the strategic value of raising a constitutional challenge in ongoing litigation. 0 0 Collective excellence at the service of the *highest standards.* Team [Emmanuelle Mignon ( Partner )](https://augustdeboustg.wpenginepowered.com/en/collaborateur/emmanuelle-mignon-2/) [Gaël Trouiller ( Associate )](https://augustdeboustg.wpenginepowered.com/en/collaborateur/gael-trouiller-2/) [Charles Maurel ( Senior Associate )](https://augustdeboustg.wpenginepowered.com/en/collaborateur/charles-maurel-2/) [Ghislain Minaire ( Counsel )](https://augustdeboustg.wpenginepowered.com/en/collaborateur/ghislain-minaire-2/) Précédent Suivant ## Contact Us ## *our*References [Constitutional Litigation International Association – Transnational Constitutional Litigation Representation of an international association before the Belgian Constitutional Court regarding the constitutionality of Belgian legislation adversely affecting the client’s members. The firm requested the referral of a preliminary ruling question to the Court of Justice of the European Union, as the matter involved the interpretation of an EU directive. Read more](https://augustdeboustg.wpenginepowered.com/en/business-case/international-association-transnational-constitutional-litigation/) [Constitutional Litigation Public Figure – Criminal Defense and Constitutional Challenge Defense of a public figure before the Paris Court of Appeal and the Cour de cassation in a case involving complicity and concealment of misappropriation of public funds and corporate assets. Following the appeal proceedings, the Cour de cassation referred a priority constitutional question (QPC) to the Conseil constitutionnel, which… Read more](https://augustdeboustg.wpenginepowered.com/en/business-case/public-figure-criminal-defense-and-constitutional-challenge/) [Constitutional Litigation Telecommunications Operator – Priority Constitutional Question on Tax Law Assistance to a major French telecommunications group before the Cour de cassation, Conseil d’État, and Conseil constitutionnel on a priority constitutional question (QPC) concerning the compliance of a tax law provision with the rights and freedoms guaranteed by the Constitution. Read more](https://augustdeboustg.wpenginepowered.com/en/business-case/telecommunications-operator-priority-constitutional-question-on-tax-law/) *our*Distinctions 0 0 m - (01)Legal 500 2025 – Global Administrative and public law - (02)Legal 500 2024 – Global Administrative and public law ## FAQ 0 0 ### (01) Question Answer