Both subscription Westlaw and Lexis+ provide U.S. cases concerning international law, U.S. administrative agencies' decisions (some of which pertain to international law) and cases of selected foreign jurisdictions. Regarding foreign cases available through basic U.S. law school license agreements with these vendors: primary focus = cases of selected common-law oriented jurisdictions.
Westlaw databases include:
> [U.S.] Federal International Law Cases
> [U.S.] Military Law Administrative Decisions & Guidance
> Restatement of the Law - The Foreign Relations Law of the United States (Second, Third & Fourth Restatements)
> American Law Reports International (Tool that "analyzes relevant U.S. and foreign cases from English- and non-English-speaking countries on specific legal issues of international import.")
> International Arbitration Materials > tabs: Cases & Awards
> International Court of Justice Decisions
> International Legal Materials (this compilation of international law documents includes many decisions, selected coverage from 1980-)
> International Materials > select a foreign jurisdiction (includes: European Union), view available material
Lexis+ databases include:
> All [U.S.] International Law Cases
> All [U.S.] Military & Veterans Law Cases
> International Court of Justice Judgments & International Court of Justice Advisory Opinions
> Click Lexis+ > Explore: International > select a foreign jurisdiction, view available material
Sabin Center for Climate Change Law, Columbia Law School, Climate Change Litigation Databases
Gabriel Eckstein, International Water Law Project includes tab w/ pull-down menu: Case Law
International Court of Justice:
Basic Documents page links to Statute of the Court, Rules of Court & Practice Directions.
Cases page links to List of All Cases + Judgments, Advisory Opinions and Orders.
Tip: In Judgments, Advisory Opinions and Orders page, pull-down menu default = All decisions from 2021-2025, but researchers can change the date to display, for example: All decisions from 1946-2025. With the exception of recent jurisprudence, the source is Reports of Judgments, Advisory Opinions and Orders (PDF).
Tip: To search this Court's case-related documents, use the document search page.
Cases page also links to jurisprudence of the predecessor Permanent Court of International Justice (PDF).
Subscription HeinOnline: United Nations Law Collection includes this Court's cases, advisory opinions and orders (PDF).
Other subscription databases that offer many search features but do not provide this Court's jurisprudence in PDF:
Westlaw: International Court of Justice Decisions
Lexis+: International Court of Justice Judgments & International Court of Justice Advisory Opinions
Free historical research tool: World Court Digest (1986-2000) provided by Max Planck Institute.
International Criminal Court:
Judgments, Decisions and Orders
"Core ICC texts" (the Rome Statute of the International Criminal Court, the Rules of Procedure and Evidence, the Elements of Crimes, the Regulations of the Court, the Regulations of the Registry, the Regulations of the Office of the Prosecutor & the Code of Professional Conduct for counsel)
ICC Legal Tools Database (an extensive international criminal law database) provides many advanced search features and filters.
Centre for International Law Research and Policy:
Case Matrix Network > ICC Case Matrix ("a service of the ICC Legal Tools Project," free registration required)
Peter Robinson:
Peter Robinson > Digests (summaries of decisions of the ICC, IRMCT, ICTR & ICTY)
Office of the United Nations High Commissioner for Human Rights (based on a database designed by Netherlands Institute of Human Rights (SIM) of Utrecht University), OHCHR JURIS Database > click: Document Search > choose: Advanced
International Tribunal for the Law of the Sea, Cases
United Nations issue-focused web pages also guide researchers to treaties & jurisprudence, for example:
United Nations: Protect Human Rights (highlights treaties & links to websites of the United Nations Human Rights Council and the Office of the High Commissioner for Human Rights)
United Nations: Uphold International Law (highlights treaties & links to websites of the International Law Commission, the Sixth (Legal) Committee that assists the work of the General Assembly, the International Court of Justice, the International Criminal Court, ad hoc tribunals & United Nations-assisted tribunals)
United Nations: Oceans and the Law of the Sea (highlights treaties & links to the website: Oceans and the Law of Sea, which guides researchers to the International Tribunal for the Law of the Sea)
United Nations: Refugees (highlights the United Nations Convention relating to the Status of Refugees & links to UNHCR, the UN Refugee Agency)
Other:
Source of arbitral awards between states or states/international organizations: Reports of International Arbitral Awards (RIAA) (PDF)
See also subscription HeinOnline: United Nations Law Collection
Institute for Human Rights and Development in Africa, African Human Rights Case Law Analyser
African Legal Information Institute (AfricanLII) (African Legal Information pull-down menu includes: Judgments (from "regional African courts"). This page also provides a case law search feature.
European Court of Human Rights, Knowledge Sharing Platform, HUDOC database & this Court's subject-oriented Factsheets on its case law.
European Court of Justice, CURIA advanced search form (to find this Court's jurisprudence)
Inter-American Court of Human Rights page highlights recent jurisprudence, offers a Cases Map by Country and provides a Jurisprudence Finder.