Our purpose: Promoting peace through criminal justice – preventing crimes of aggression

Through the United Nations Charter, States have expressed their commitment “to save succeeding generations from the scourge of war”. They have agreed to renounce the illegal threat or use of force, and to settle their disputes “by peaceful means in such a manner that international peace and security, and justice, are not endangered”. States have the legal duty to abide by this commitment and the UN Security Council has the primary responsibility to enforce it.The Nuremberg Trials made it clear that criminal justice also has an important role to play for the promotion of peace and the deterrence of acts of aggression – though it remained limited and theoretical for many decades thereafter.  With the 2010 Kampala amendments to the Rome Statute of the International Criminal Court, States Parties created a new mechanism to enforce the most important rule of international law: the prohibition of the illegal use of force under the United Nations Charter. This website is dedicated to making accountability a reality.

The Global Institute for the Prevention of Aggression (GIPA) informs about the current delevopments related to the crime of aggression:


29 NOV 2022

Statement of the Global Institute for the Prevention of Aggression: States Parties are called upon to remove the restrictions on the International Criminal Court’s jurisdiction over the crime of aggression.

For the full statement, see here.

05 NOV 2022

Acknowledgment by the UN General Assembly: On 2 November 2022, the UN General Assembly adopted by consensus a resolution which recalls, for the first time, the activated jurisdiction of the ICC over the crime of aggression as well as the competence of the UN Security Council to enable the ICC to exercise jurisdiction over all four crimes under the Rome Statute.

30 OCT 2022

Peru becomes 44th State to ratify Kampala amendments: On 14 October 2022, Peru deposited its instrument of ratification of the Kampala amendments, becoming the 44th State to ratify the amendments on the crime of aggression.

11 SEP 2022

Chautaqua Principles: The 14th annual International Humanitarian Law Roundtables held August 28-30, 2022, at Lake Chautauqua, New York, culminated in the issuance of the “Chautauqua Principles” (see here). They, inter alia, state:

Current Law and Existing Judicial Mechanisms are Insufficient to Adequately Secure Justice for the Crime of Aggression
In the judgment of the International Military Tribunal at Nuremberg,…the crime of aggression was recognized as “the supreme international crime differing only from other war crimes in that it contains within itself the accumulated evil of the whole.” While the crime of aggression is defined in Article 8bis of the Rome Statute and represents customary international law, [in many situations] no competent judicial institutions have jurisdiction to prosecute those most responsible for this crime.  States should consider fixing this jurisdictional gap at the ICC.
    On February 24, 2022, nearly seventy-six years after the IMT’s landmark judgment, Russia launched an unlawful invasion of Ukraine.  Both national and international judicial systems need to prosecute those most responsible for the crime[] of aggression committed in Ukraine. International tribunal jurisprudence, which renders head of state immunity inapplicable regarding international crimes, including the crime of aggression, should inform their prosecution strategies. It is also essential that, in the event of its establishment, any tribunal or court addressing the unlawful invasion of Ukraine [be] fair, impartial, and not directed at any particular party or State.  Any new tribunal or court must adhere to a clear evidentiary standard of proof of guilt beyond a reasonable doubt.
    There is an urgent need for a viable proposal for the creation of a competent international tribunal with appropriate jurisdiction to prosecute those bearing the greatest responsibility for the crime[] of aggression against the people of Ukraine. With that said, any domestic or international tribunal[‘s] work, including those exercising extraterritorial jurisdiction, should not diminish, but enhance the work of the ICC.
26 JUL 2022
Acknowledgment of the gravity of the crime of aggression by the US Senate: US Senate acknowledges that the ICC’s mandate includes prosecuting the crime of aggression – one of the “gravest crimes of concern to the international community.”  See here
22 JUL 2022

Proposal to Amend the Jurisdiction of the ICC over the Crime of Aggression: Since March 2022, Parliamentarians for Global Action (PGA) have elaborated a non-paper containing specific amendments to Article 15bis of the Rome Statute that would partially align the ICC jurisdictional regime on the crime of aggression to the one that already exists for the other three core crimes. For a summary of the non-paper, see here

28 MAY 2022

Virtual Roundtable of the Council on Foreign Relations: In Defense of a Democracy: Prosecuting Russian Aggression Against Ukraine: On 25 May 2022, David Scheffer, Oona Hathaway and Claus Kreß discussed the crime of aggression and the need for a special tribunal in the situation in Ukraine. To watch the panel, click here.

21 APR 2022

James Kingston Obituary: It is with enormous sadness that the Global Institute for the Prevention of Aggression reports the death of James Kingston. As a legal adviser of the Irish Department of Foreign Affairs and President of the Irish Branch of the International Law Association, he was a strong supporter of the International Criminal Court and the prohibition of aggression.

James joined the Irish Department of Foreign Affairs in 1995 and became legal adviser in 2009. He advised on various matters, including EU law, human rights law and international criminal law and was instrumental in advising on some of the big foreign policy decisions in Ireland. His expertise in international law brought him to his position in the Irish Branch of the International Law Association where he served as President from 2016 to 2020. He lectured in public international law at University College Dublin and Trinity College Dublin.

James was a brilliant lawyer, an outstanding advocate for the rule of law and a good friend to many of us. His sudden death is a great loss for the international community.

We present our deepest condolences to his family.

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