What is the Jessup?

Jessup is the world's largest moot court competition, with participants from roughly 700 law schools in 100 countries and jurisdictions. The Competition is a simulation of a fictional dispute between countries before the International Court of Justice, the judicial organ of the United Nations. One team is allowed to participate from every eligible school. Teams prepare oral and written pleadings arguing both the applicant and respondent positions of the case.

Jessup 2023 - The Case Concerning the Clarent Belt

The Jessup 2023 Competition concerns the interpretation of a peace treaty, deadly attacks in allegedly occupied territory, unilateral economic sanctions, and the legal consequences of failing to dispose of hazardous waste properly.

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White & Case International Rounds

ILSA is excited to announce that the 2023 White & Case Jessup International Rounds will be held, in person, on 8-15 April 2023 at the Hyatt Regency Hotel in Washington, DC.

This will be the first International Rounds held in person in four years. We look forward to gathering with the next generation of Jessupers as well as our incredible FOJ community to celebrate international law and education.

A hotel block at the Hyatt Regency Hotel for the International Rounds is available.

Please click to read our complete statement. Please feel free to email [email protected] if you have additional questions.

Jessup 2023 Schedule

National and Friendly Rounds Schedule

Competition Materials

Jessup 2023 Problem with Corrections and Clarifications - .pdf | .docx
Jessup 2023 Corrections and Clarifications - .pdf | .docx

Basic Materials

The Basic Materials for Jessup 2023 are now available. In a change of practice from previous years, ILSA will not be issuing a second batch of Basic Materials; instead, we will update this list from time to time. We encourage all teams to visit frequently to make sure that you have the latest materials.

Materials added after 6 October will be placed in a second list at the bottom of the page, so teams do not need to re-download every single item.

Updated 7 November 2022


Jessup 2023 Rules

National Rounds Rules Supplements

The National Rounds Rules Supplements will be posted as they are finalized by National Administrators.

European Friendly
United Kingdom

Promotional Materials

Jessup 2023 Poster (High Resolution) – .jpg | .pdf
Jessup 2023 Logo – .png

Jessup 2023 Research Sponsors