Contentious cases organized by State

Albania

bullet Corfu Channel (United Kingdom of Great Britain and Northern Ireland v. Albania)

Argentina

bullet Antarctica (United Kingdom v. Argentina)
bullet Pulp Mills on the River Uruguay (Argentina v. Uruguay)

Armenia

bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Armenia v. Azerbaijan)
bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Azerbaijan v. Armenia)

Australia

bullet East Timor (Portugal v. Australia)
bullet Certain Phosphate Lands in Nauru (Nauru v. Australia)
bullet Nuclear Tests (Australia v. France)
bullet Whaling in the Antarctic (Australia v. Japan: New Zealand intervening)
bullet Questions relating to the Seizure and Detention of Certain Documents and Data (Timor-Leste v. Australia)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Austria

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Azerbaijan

bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Armenia v. Azerbaijan)
bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Azerbaijan v. Armenia)

Bahrain

bullet Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar)

Belgium

bullet Sovereignty over Certain Frontier Land (Belgium/Netherlands)
bullet Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) (New Application: 1962)
bullet Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain)
bullet Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v. Belgium)
bullet Legality of Use of Force (Serbia and Montenegro v. Belgium)
bullet Questions relating to the Obligation to Prosecute or Extradite (Belgium v. Senegal)
bullet Jurisdiction and Enforcement of Judgments in Civil and Commercial Matters (Belgium v. Switzerland)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Belize

bullet Guatemala's Territorial, Insular and Maritime Claim (Guatemala/Belize)
bullet Sovereignty over the Sapodilla Cayes (Belize v. Honduras)

Benin

bullet Frontier Dispute (Benin/Niger)

Bolivia

bullet Obligation to Negotiate Access to the Pacific Ocean (Bolivia v. Chile)
bullet Dispute over the Status and Use of the Waters of the Silala (Chile v. Bolivia)

Bosnia and Herzegovina

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro)
bullet Application for Revision of the Judgment of 11 July 1996 in the Case concerning Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Yugoslavia), Preliminary Objections (Yugoslavia v. Bosnia and Herzegovina)

Botswana

bullet Kasikili/Sedudu Island (Botswana/Namibia)

Brazil

bullet Certain Questions concerning Diplomatic Relations (Honduras v. Brazil)

Bulgaria

bullet Aerial Incident of 27 July 1955 (United Kingdom v. Bulgaria)
bullet Aerial Incident of 27 July 1955 (Israel v. Bulgaria)
bullet Aerial Incident of 27 July 1955 (United States of America v. Bulgaria)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Burkina Faso

bullet Frontier Dispute (Burkina Faso/Republic of Mali)
bullet Frontier Dispute (Burkina Faso/Niger)

Burundi

bullet Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Burundi)

Cambodia

bullet Temple of Preah Vihear (Cambodia v. Thailand)
bullet Request for Interpretation of the Judgment of 15 June 1962 in the Case concerning the Temple of Preah Vihear (Cambodia v. Thailand) (Cambodia v. Thailand)

Cameroon

bullet Northern Cameroons (Cameroon v. United Kingdom)
bullet Request for Interpretation of the Judgment of 11 June 1998 in the Case concerning the Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria), Preliminary Objections (Nigeria v. Cameroon)
bullet Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria: Equatorial Guinea intervening)

Canada

bullet Delimitation of the Maritime Boundary in the Gulf of Maine Area (Canada/United States of America)
bullet Fisheries Jurisdiction (Spain v. Canada)
bullet Legality of Use of Force (Serbia and Montenegro v. Canada)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Canada and the Netherlands v. Syrian Arab Republic)
bullet Alleged Violations of State Immunities (Islamic Republic of Iran v. Canada)
bullet Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran)

Chad

bullet Territorial Dispute (Libyan Arab Jamahiriya/Chad)

Chile

bullet Antarctica (United Kingdom v. Chile)
bullet Obligation to Negotiate Access to the Pacific Ocean (Bolivia v. Chile)
bullet Maritime Dispute (Peru v. Chile)
bullet Dispute over the Status and Use of the Waters of the Silala (Chile v. Bolivia)

Colombia

bullet Asylum (Colombia/Peru)
bullet Haya de la Torre (Colombia v. Peru)
bullet Request for Interpretation of the Judgment of 20 November 1950 in the Asylum Case (Colombia v. Peru)
bullet Aerial Herbicide Spraying (Ecuador v. Colombia)
bullet Territorial and Maritime Dispute (Nicaragua v. Colombia)
bullet Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea (Nicaragua v. Colombia)
bullet Question of the Delimitation of the Continental Shelf between Nicaragua and Colombia beyond 200 nautical miles from the Nicaraguan Coast (Nicaragua v. Colombia)

Congo, Republic of the

bullet Certain Criminal Proceedings in France (Republic of the Congo v. France)

Costa Rica

bullet Border and Transborder Armed Actions (Nicaragua v. Costa Rica)
bullet Dispute regarding Navigational and Related Rights (Costa Rica v. Nicaragua)
bullet Certain Activities Carried Out by Nicaragua in the Border Area (Costa Rica v. Nicaragua)
bullet Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua)
bullet Construction of a Road in Costa Rica along the San Juan River (Nicaragua v. Costa Rica)
bullet Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua)

Croatia

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Croatia v. Serbia)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Cyprus

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Czech Republic

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Czechoslovakia

bullet Aerial Incident of 10 March 1953 (United States of America v. Czechoslovakia)

Democratic Republic of the Congo

bullet Ahmadou Sadio Diallo (Republic of Guinea v. Democratic Republic of the Congo)
bullet Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Rwanda)
bullet Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Burundi)
bullet Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v. Belgium)
bullet Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Uganda)
bullet Armed Activities on the Territory of the Congo (New Application: 2002) (Democratic Republic of the Congo v. Rwanda)

Denmark

bullet North Sea Continental Shelf (Federal Republic of Germany/Denmark)
bullet Maritime Delimitation in the Area between Greenland and Jan Mayen (Denmark v. Norway)
bullet Passage through the Great Belt (Finland v. Denmark)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Djibouti

bullet Certain Questions of Mutual Assistance in Criminal Matters (Djibouti v. France)

Dominica, Commonwealth of

bullet Status vis-à -vis the Host State of a Diplomatic Envoy to the United Nations (Commonwealth of Dominica v. Switzerland)

Ecuador

bullet Aerial Herbicide Spraying (Ecuador v. Colombia)

Egypt

bullet Protection of French Nationals and Protected Persons in Egypt (France v. Egypt)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar)

El Salvador

bullet Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening)
bullet Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras)

Equatorial Guinea

bullet Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria: Equatorial Guinea intervening)
bullet Immunities and Criminal Proceedings (Equatorial Guinea v. France)
bullet Land and Maritime Delimitation and Sovereignty over Islands (Gabon/Equatorial Guinea)
bullet Request relating to the Return of Property Confiscated in Criminal Proceedings (Equatorial Guinea v. France)

Estonia

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Ethiopia

bullet South West Africa (Ethiopia v. South Africa)

Finland

bullet Passage through the Great Belt (Finland v. Denmark)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

France

bullet Protection of French Nationals and Protected Persons in Egypt (France v. Egypt)
bullet Rights of Nationals of the United States of America in Morocco (France v. United States of America)
bullet Electricité de Beyrouth Company (France v. Lebanon)
bullet Certain Norwegian Loans (France v. Norway)
bullet Compagnie du Port, des Quais et des Entrepôts de Beyrouth and Société Radio-Orient (France v. Lebanon)
bullet Nuclear Tests (New Zealand v. France)
bullet Minquiers and Ecrehos (France/United Kingdom)
bullet Request for an Examination of the Situation in Accordance with Paragraph 63 of the Courts Judgment of 20 December 1974 in the Nuclear Tests (New Zealand v. France) Case
bullet Nuclear Tests (Australia v. France)
bullet Legality of Use of Force (Serbia and Montenegro v. France)
bullet Monetary Gold Removed from Rome in 1943 (Italy v. France, United Kingdom of Great Britain and Northern Ireland and United States of America)
bullet Certain Criminal Proceedings in France (Republic of the Congo v. France)
bullet Certain Questions of Mutual Assistance in Criminal Matters (Djibouti v. France)
bullet Immunities and Criminal Proceedings (Equatorial Guinea v. France)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Request relating to the Return of Property Confiscated in Criminal Proceedings (Equatorial Guinea v. France)

Gabon

bullet Land and Maritime Delimitation and Sovereignty over Islands (Gabon/Equatorial Guinea)

Gambia

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (The Gambia v. Myanmar)

Georgia

bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Georgia v. Russian Federation)

Germany

bullet North Sea Continental Shelf (Federal Republic of Germany/Netherlands)
bullet North Sea Continental Shelf (Federal Republic of Germany/Denmark)
bullet LaGrand (Germany v. United States of America)
bullet Legality of Use of Force (Serbia and Montenegro v. Germany)
bullet Fisheries Jurisdiction (Federal Republic of Germany v. Iceland)
bullet Certain Property (Liechtenstein v. Germany)
bullet Jurisdictional Immunities of the State (Germany v. Italy: Greece intervening)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Questions of jurisdictional immunities of the State and measures of constraint against State-owned property (Germany v. Italy)

Greece

bullet Ambatielos (Greece v. United Kingdom)
bullet Aegean Sea Continental Shelf (Greece v. Turkey)
bullet Application of the Interim Accord of 13 September 1995 (the former Yugoslav Republic of Macedonia v. Greece)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Guatemala

bullet Nottebohm (Liechtenstein v. Guatemala)
bullet Guatemala's Territorial, Insular and Maritime Claim (Guatemala/Belize)

Guinea-Bissau

bullet Maritime Delimitation between Guinea-Bissau and Senegal (Guinea-Bissau v. Senegal)
bullet Arbitral Award of 31 July 1989 (Guinea-Bissau v. Senegal)

Guinea, Republic of

bullet Ahmadou Sadio Diallo (Republic of Guinea v. Democratic Republic of the Congo)

Guyana

bullet Arbitral Award of 3 October 1899 (Guyana v. Venezuela)

Honduras

bullet Arbitral Award Made by the King of Spain on 23 December 1906 (Honduras v. Nicaragua)
bullet Border and Transborder Armed Actions (Nicaragua v. Honduras)
bullet Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening)
bullet Certain Questions concerning Diplomatic Relations (Honduras v. Brazil)
bullet Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras)
bullet Territorial and Maritime Dispute between Nicaragua and Honduras in the Caribbean Sea (Nicaragua v. Honduras)
bullet Sovereignty over the Sapodilla Cayes (Belize v. Honduras)

Hungary

bullet Treatment in Hungary of Aircraft and Crew of United States of America (United States of America v. Hungarian Peoples Republic)
bullet Gabčíkovo-Nagymaros Project (Hungary/Slovakia)

Iceland

bullet Fisheries Jurisdiction (United Kingdom v. Iceland)
bullet Fisheries Jurisdiction (Federal Republic of Germany v. Iceland)

India

bullet Right of Passage over Indian Territory (Portugal v. India)
bullet Appeal Relating to the Jurisdiction of the ICAO Council (India v. Pakistan)
bullet Trial of Pakistani Prisoners of War (Pakistan v. India)
bullet Aerial Incident of 10 August 1999 (Pakistan v. India)
bullet Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. India)
bullet Jadhav (India v. Pakistan)

Indonesia

bullet Sovereignty over Pulau Ligitan and Pulau Sipadan (Indonesia/Malaysia)

Iran, Islamic Republic of

bullet Anglo-Iranian Oil Co. (United Kingdom v. Iran)
bullet Aerial Incident of 3 July 1988 (Islamic Republic of Iran v. United States of America)
bullet Oil Platforms (Islamic Republic of Iran v. United States of America)
bullet United States Diplomatic and Consular Staff in Tehran (United States of America v. Iran)
bullet Certain Iranian Assets (Islamic Republic of Iran v. United States of America)
bullet Alleged Violations of the 1955 Treaty of Amity, Economic Relations, and Consular Rights (Islamic Republic of Iran v. United States of America)
bullet Alleged Violations of State Immunities (Islamic Republic of Iran v. Canada)
bullet Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran)

Ireland

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Israel

bullet Aerial Incident of 27 July 1955 (Israel v. Bulgaria)
bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide in the Gaza Strip (South Africa v. Israel)

Italy

bullet Elettronica Sicula S.p.A. (ELSI) (United States of America v. Italy)
bullet Legality of Use of Force (Serbia and Montenegro v. Italy)
bullet Monetary Gold Removed from Rome in 1943 (Italy v. France, United Kingdom of Great Britain and Northern Ireland and United States of America)
bullet Jurisdictional Immunities of the State (Germany v. Italy: Greece intervening)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Questions of jurisdictional immunities of the State and measures of constraint against State-owned property (Germany v. Italy)

Japan

bullet Whaling in the Antarctic (Australia v. Japan: New Zealand intervening)

Kenya

bullet Maritime Delimitation in the Indian Ocean (Somalia v. Kenya)

Latvia, Republic of

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Lebanon

bullet Electricité de Beyrouth Company (France v. Lebanon)
bullet Compagnie du Port, des Quais et des Entrepôts de Beyrouth and Société Radio-Orient (France v. Lebanon)

Liberia

bullet South West Africa (Liberia v. South Africa)

Libyan Arab Jamahiriya

bullet Continental Shelf (Tunisia/Libyan Arab Jamahiriya)
bullet Continental Shelf (Libyan Arab Jamahiriya/Malta)
bullet Application for Revision and Interpretation of the Judgment of 24 February 1982 in the Case concerning the Continental Shelf (Tunisia/Libyan Arab Jamahiriya) (Tunisia v. Libyan Arab Jamahiriya)
bullet Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United States of America)
bullet Territorial Dispute (Libyan Arab Jamahiriya/Chad)
bullet Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United Kingdom)

Liechtenstein

bullet Nottebohm (Liechtenstein v. Guatemala)
bullet Certain Property (Liechtenstein v. Germany)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Lithuania

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Luxembourg

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Malaysia

bullet Sovereignty over Pulau Ligitan and Pulau Sipadan (Indonesia/Malaysia)
bullet Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore)
bullet Application for revision of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore)
bullet Request for Interpretation of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore)

Mali, Republic of

bullet Frontier Dispute (Burkina Faso/Republic of Mali)

Malta

bullet Continental Shelf (Libyan Arab Jamahiriya/Malta)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Marshall Islands

bullet Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. United Kingdom)
bullet Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. India)
bullet Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. Pakistan)

Mexico

bullet Avena and Other Mexican Nationals (Mexico v. United States of America)
bullet Request for Interpretation of the Judgment of 31 March 2004 in the Case concerning Avena and Other Mexican Nationals (Mexico v. United States of America) (Mexico v. United States of America)

Myanmar

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (The Gambia v. Myanmar)

Namibia

bullet Kasikili/Sedudu Island (Botswana/Namibia)

Nauru

bullet Certain Phosphate Lands in Nauru (Nauru v. Australia)

Netherlands

bullet Application of the Convention of 1902 Governing the Guardianship of Infants (Netherlands v. Sweden)
bullet Sovereignty over Certain Frontier Land (Belgium/Netherlands)
bullet North Sea Continental Shelf (Federal Republic of Germany/Netherlands)
bullet Legality of Use of Force (Serbia and Montenegro v. Netherlands)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Canada and the Netherlands v. Syrian Arab Republic)

New Zealand

bullet Nuclear Tests (New Zealand v. France)
bullet Request for an Examination of the Situation in Accordance with Paragraph 63 of the Courts Judgment of 20 December 1974 in the Nuclear Tests (New Zealand v. France) Case
bullet Whaling in the Antarctic (Australia v. Japan: New Zealand intervening)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Nicaragua

bullet Arbitral Award Made by the King of Spain on 23 December 1906 (Honduras v. Nicaragua)
bullet Border and Transborder Armed Actions (Nicaragua v. Costa Rica)
bullet Military and Paramilitary Activities in and against Nicaragua (Nicaragua v. United States of America)
bullet Border and Transborder Armed Actions (Nicaragua v. Honduras)
bullet Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening)
bullet Dispute regarding Navigational and Related Rights (Costa Rica v. Nicaragua)
bullet Territorial and Maritime Dispute (Nicaragua v. Colombia)
bullet Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras)
bullet Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea (Nicaragua v. Colombia)
bullet Territorial and Maritime Dispute between Nicaragua and Honduras in the Caribbean Sea (Nicaragua v. Honduras)
bullet Question of the Delimitation of the Continental Shelf between Nicaragua and Colombia beyond 200 nautical miles from the Nicaraguan Coast (Nicaragua v. Colombia)
bullet Certain Activities Carried Out by Nicaragua in the Border Area (Costa Rica v. Nicaragua)
bullet Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua)
bullet Construction of a Road in Costa Rica along the San Juan River (Nicaragua v. Costa Rica)
bullet Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua)

Niger

bullet Frontier Dispute (Benin/Niger)
bullet Frontier Dispute (Burkina Faso/Niger)

Nigeria

bullet Request for Interpretation of the Judgment of 11 June 1998 in the Case concerning the Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria), Preliminary Objections (Nigeria v. Cameroon)
bullet Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria: Equatorial Guinea intervening)

Norway

bullet Fisheries (United Kingdom v. Norway)
bullet Certain Norwegian Loans (France v. Norway)
bullet Maritime Delimitation in the Area between Greenland and Jan Mayen (Denmark v. Norway)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Pakistan

bullet Appeal Relating to the Jurisdiction of the ICAO Council (India v. Pakistan)
bullet Trial of Pakistani Prisoners of War (Pakistan v. India)
bullet Aerial Incident of 10 August 1999 (Pakistan v. India)
bullet Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. Pakistan)
bullet Jadhav (India v. Pakistan)

Palestine

bullet Relocation of the United States Embassy to Jerusalem (Palestine v. United States of America)

Paraguay

bullet Vienna Convention on Consular Relations (Paraguay v. United States of America)

Peru

bullet Asylum (Colombia/Peru)
bullet Haya de la Torre (Colombia v. Peru)
bullet Request for Interpretation of the Judgment of 20 November 1950 in the Asylum Case (Colombia v. Peru)
bullet Maritime Dispute (Peru v. Chile)

Poland

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Portugal

bullet Right of Passage over Indian Territory (Portugal v. India)
bullet East Timor (Portugal v. Australia)
bullet Legality of Use of Force (Serbia and Montenegro v. Portugal)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Qatar

bullet Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain)
bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Qatar v. United Arab Emirates)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar)

Romania

bullet Maritime Delimitation in the Black Sea (Romania v. Ukraine)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Russian Federation

bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Georgia v. Russian Federation)
bullet Application of the International Convention for the Suppression of the Financing of Terrorism and of the International Convention on the Elimination of All Forms of Racial Discrimination (Ukraine v. Russian Federation)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Rwanda

bullet Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Rwanda)
bullet Armed Activities on the Territory of the Congo (New Application: 2002) (Democratic Republic of the Congo v. Rwanda)

Saudi Arabia

bullet Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar)

Senegal

bullet Maritime Delimitation between Guinea-Bissau and Senegal (Guinea-Bissau v. Senegal)
bullet Arbitral Award of 31 July 1989 (Guinea-Bissau v. Senegal)
bullet Questions relating to the Obligation to Prosecute or Extradite (Belgium v. Senegal)

Serbia

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Croatia v. Serbia)

Serbia and Montenegro

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro)
bullet Legality of Use of Force (Serbia and Montenegro v. France)
bullet Legality of Use of Force (Serbia and Montenegro v. Italy)
bullet Legality of Use of Force (Serbia and Montenegro v. Germany)
bullet Legality of Use of Force (Serbia and Montenegro v. United Kingdom)
bullet Legality of Use of Force (Serbia and Montenegro v. Canada)
bullet Legality of Use of Force (Serbia and Montenegro v. Belgium)
bullet Legality of Use of Force (Serbia and Montenegro v. Portugal)
bullet Legality of Use of Force (Serbia and Montenegro v. Netherlands)

Singapore

bullet Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore)
bullet Application for revision of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore)
bullet Request for Interpretation of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore)

Slovakia

bullet Gabčíkovo-Nagymaros Project (Hungary/Slovakia)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Slovenia

bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Somalia

bullet Maritime Delimitation in the Indian Ocean (Somalia v. Kenya)

South Africa

bullet South West Africa (Ethiopia v. South Africa)
bullet South West Africa (Liberia v. South Africa)
bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide in the Gaza Strip (South Africa v. Israel)

Spain

bullet Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) (New Application: 1962)
bullet Fisheries Jurisdiction (Spain v. Canada)
bullet Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain)
bullet Legality of Use of Force (Yugoslavia v. Spain)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)

Sweden

bullet Application of the Convention of 1902 Governing the Guardianship of Infants (Netherlands v. Sweden)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran)

Switzerland

bullet Interhandel (Switzerland v. United States of America)
bullet Status vis-à -vis the Host State of a Diplomatic Envoy to the United Nations (Commonwealth of Dominica v. Switzerland)
bullet Jurisdiction and Enforcement of Judgments in Civil and Commercial Matters (Belgium v. Switzerland)

Syrian Arab Republic

bullet Application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Canada and the Netherlands v. Syrian Arab Republic)

Thailand

bullet Temple of Preah Vihear (Cambodia v. Thailand)
bullet Request for Interpretation of the Judgment of 15 June 1962 in the Case concerning the Temple of Preah Vihear (Cambodia v. Thailand) (Cambodia v. Thailand)

The former Yugoslav Republic of Macedonia

bullet Application of the Interim Accord of 13 September 1995 (the former Yugoslav Republic of Macedonia v. Greece)

Timor-Leste

bullet Questions relating to the Seizure and Detention of Certain Documents and Data (Timor-Leste v. Australia)

Türkiye

bullet Aegean Sea Continental Shelf (Greece v. Turkey)

Tunisia

bullet Continental Shelf (Tunisia/Libyan Arab Jamahiriya)
bullet Application for Revision and Interpretation of the Judgment of 24 February 1982 in the Case concerning the Continental Shelf (Tunisia/Libyan Arab Jamahiriya) (Tunisia v. Libyan Arab Jamahiriya)

Uganda

bullet Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Uganda)

Ukraine

bullet Maritime Delimitation in the Black Sea (Romania v. Ukraine)
bullet Application of the International Convention for the Suppression of the Financing of Terrorism and of the International Convention on the Elimination of All Forms of Racial Discrimination (Ukraine v. Russian Federation)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran)

Union of Soviet Socialist Republics

bullet Aerial Incident of 7 October 1952 (United States of America v. Union of Soviet Socialist Republics)
bullet Aerial Incident of 4 September 1954 (United States of America v. Union of Soviet Socialist Republics)
bullet Treatment in Hungary of Aircraft and Crew of United States of America (United States of America v. Union of Soviet Socialist Republics)
bullet Aerial Incident of 7 November 1954 (United States of America v. Union of Soviet Socialist Republics)

United Arab Emirates

bullet Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Qatar v. United Arab Emirates)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar)
bullet Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar)

United Kingdom of Great Britain and Northern Ireland

bullet Corfu Channel (United Kingdom of Great Britain and Northern Ireland v. Albania)
bullet Fisheries (United Kingdom v. Norway)
bullet Ambatielos (Greece v. United Kingdom)
bullet Anglo-Iranian Oil Co. (United Kingdom v. Iran)
bullet Antarctica (United Kingdom v. Argentina)
bullet Antarctica (United Kingdom v. Chile)
bullet Aerial Incident of 27 July 1955 (United Kingdom v. Bulgaria)
bullet Northern Cameroons (Cameroon v. United Kingdom)
bullet Minquiers and Ecrehos (France/United Kingdom)
bullet Fisheries Jurisdiction (United Kingdom v. Iceland)
bullet Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United Kingdom)
bullet Monetary Gold Removed from Rome in 1943 (Italy v. France, United Kingdom of Great Britain and Northern Ireland and United States of America)
bullet Legality of Use of Force (Serbia and Montenegro v. United Kingdom)
bullet Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. United Kingdom)
bullet Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation)
bullet Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran)

United States of America

bullet Rights of Nationals of the United States of America in Morocco (France v. United States of America)
bullet Aerial Incident of 10 March 1953 (United States of America v. Czechoslovakia)
bullet Aerial Incident of 7 October 1952 (United States of America v. Union of Soviet Socialist Republics)
bullet Interhandel (Switzerland v. United States of America)
bullet Treatment in Hungary of Aircraft and Crew of United States of America (United States of America v. Hungarian Peoples Republic)
bullet Aerial Incident of 27 July 1955 (United States of America v. Bulgaria)
bullet Aerial Incident of 4 September 1954 (United States of America v. Union of Soviet Socialist Republics)
bullet Treatment in Hungary of Aircraft and Crew of United States of America (United States of America v. Union of Soviet Socialist Republics)
bullet Aerial Incident of 7 November 1954 (United States of America v. Union of Soviet Socialist Republics)
bullet Delimitation of the Maritime Boundary in the Gulf of Maine Area (Canada/United States of America)
bullet Military and Paramilitary Activities in and against Nicaragua (Nicaragua v. United States of America)
bullet Elettronica Sicula S.p.A. (ELSI) (United States of America v. Italy)
bullet Aerial Incident of 3 July 1988 (Islamic Republic of Iran v. United States of America)
bullet Oil Platforms (Islamic Republic of Iran v. United States of America)
bullet Vienna Convention on Consular Relations (Paraguay v. United States of America)
bullet Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United States of America)
bullet United States Diplomatic and Consular Staff in Tehran (United States of America v. Iran)
bullet Monetary Gold Removed from Rome in 1943 (Italy v. France, United Kingdom of Great Britain and Northern Ireland and United States of America)
bullet LaGrand (Germany v. United States of America)
bullet Legality of Use of Force (Yugoslavia v. United States of America)
bullet Avena and Other Mexican Nationals (Mexico v. United States of America)
bullet Request for Interpretation of the Judgment of 31 March 2004 in the Case concerning Avena and Other Mexican Nationals (Mexico v. United States of America) (Mexico v. United States of America)
bullet Certain Iranian Assets (Islamic Republic of Iran v. United States of America)
bullet Alleged Violations of the 1955 Treaty of Amity, Economic Relations, and Consular Rights (Islamic Republic of Iran v. United States of America)
bullet Relocation of the United States Embassy to Jerusalem (Palestine v. United States of America)

Uruguay

bullet Pulp Mills on the River Uruguay (Argentina v. Uruguay)

Venezuela

bullet Arbitral Award of 3 October 1899 (Guyana v. Venezuela)

Yugoslavia

bullet Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro)
bullet Legality of Use of Force (Yugoslavia v. United States of America)
bullet Application for Revision of the Judgment of 11 July 1996 in the Case concerning Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Yugoslavia), Preliminary Objections (Yugoslavia v. Bosnia and Herzegovina)
bullet Legality of Use of Force (Yugoslavia v. Spain)

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