IAPL Colloquium 2026 Programme

Wednesday, 28 October 2026

Cour de cassation, 5 quai de l’Horloge, 75001 Paris

15:00 - Registration

15:30 - Opening ceremony

A musical interlude performed by the Ensemble Atmosphères, conducted by Ilyich Rivas, featuring soprano Camille Chopin.

16:30 - Welcome remarks

• Christophe Soulard, First President of the Court of Cassation
• Soraya Amrani Mekki, Professor and Director of the Law Department at Sciences Po Law School
• Thomas Lyon-Caen, President of the Bar of the Conseil d’État and the Court of Cassation
• Louis Degos, Bâtonnier de Paris

Environmental Justice: Procedures matter

• Eduardo Oteiza, President of the IAPL

Environmental Justice: A Human Rights Perspective

• Sunita Narain, Environmental activist, researcher, and public intellectual

Environmental Justice at a crossroads

• Loïc Cadiet, Emeritus Professor, Paris 1 Panthéon-Sorbonne University

Reception

Thursday, 29 October 2026

Maison du Barreau, 2 rue de Harlay, 75001 Paris

Welcome Address

• Gépy Koudadje, Lawyer, Member of the Conseil de l’Ordre du barreau de Paris

09:00 – The Concept of Parties to the Proceedings

• Santiago Pereira Campos, Professor, University of Montevideo (Uruguay); President of the Ibero-American Institute of Procedural Law
• Bart Krans, Professor, Leiden University (Netherlands)

Moderator: Jean-Baptiste Parlos, First President of the Rennes Court of Appeal

10:00 – Discussion

10:30 – Coffee Break

11:00 – Identifying the Competent Court

• Fernando Gascón Inchausti, Professor, Complutense University of Madrid (Spain)
• Burkhard Hess, Professor, University of Vienna (Austria)

Moderator: Olivier Saumon, Lawyer, President of the Droit et Procédure Association 

12:00 – Discussion

12:30 – Lunch Break

14:00 – Determining the Available Remedies

• Elena D’Alessandro, Professor, University of Turin (Italy)
• Giovanni Priori, Professor, Pontificia Universidad Católica del Perú (Peru)

Moderator: Laurence Roques, Lawyer, Member of the Conseil national des barreaux 

15:00 – Discussion

15:30 – Coffee Break

16:00 – Alternatives to State Justice

• Kamalia Mehtiyeva, Professor, Paris-Est Créteil University (France)
• Joseph Djogbénou, President of the National Assembly; Professor, University of Abomey-Calavi (Benin)

Moderator: Soraya Amrani Mekki, Professor and Director of the Law Department at Sciences Po Law School

17:00 – Discussion

Friday, 30 October 2026

Sciences Po, 27 rue Saint-Guillaume, 75007 Paris

09:00 – The Challenge of Evidence in Environmental Matters

The role of the expert. The precautionary principle. Scientific truth and judicial truth. The court’s ex officio powers in evidentiary matters. Financing evidence.

• Antonio Cabral, Professor, Rio de Janeiro (Brazil)
• Julie Klein, Professor and Dean of the Law School, Sciences Po (France)

Moderator: Tarik Lakssimi, Professor; Director of the Research Department, École nationale de la magistrature

10:00 – Discussion

10:30 – Coffee Break

11:00 – Judicial Decisions in Environmental Matters

Effects of res judicata. Recognition of judgments in other States. Enforcement of judicial decisions.

• Raúl Núñez Ojeda, Professor, Pontifical Catholic University of Valparaíso (Chile)
• Alan Uzelac, Professor, University of Zagreb (Croatia)

Moderator : Emmanuel Gassmann, justice officer appointed by the National Chamber of Justice Officers

12:00 – Discussion

12:30 – Lunch Break

14:00 – Defining a Procedural Strategy: Results of the Fictional Case Study

Workshop Leaders: 

• Sonya Djemni-Wagner, Advocate General at the French Court of Cassation
• Mustapha Mekki, Professor, Panthéon-Sorbonne University
• Laure Abramowitch, Lawyer

14h00 - Call for contributions

Coordinated by Frédérique Ferrand, Remco Van Rhee and Eduardo Oteiza.

List of participants (PDF)

16:30 – Marcel Storme Prize

The three finalists are:

• Pedro Domingos, From South to North: Foreign Law as Fact and the Procedural Reception of Brazilian Jurisprudence in England's Mariana Environmental Case
• Lucila Galanti, Climate Justiciability and Standing: Building a European Framework Through the Dialogue Between Precedents
• Aleksandra Klich, Judicial Dialogue and Scientific Uncertainty: Towards a Context-Sensitive Standard of Proof in Environmental Justice

18:00 – Closing Remarks

• Eduardo Oteiza, President of the IAPL

Presentation of the Vienna World Congress

• Burkhard Hess, Professor, University of Vienna

Gala Dinner
For registered participants.

Cruise on the Seine aboard the Jean Bruel

• How to get there: RER C (Pont de l’Alma Station) or Metro line 9 (Alma-Marceau station)
• Timings: reception from 7.30 pm, departure at 8.15 pm