
Westlaw is a large database of UK, US, and international legal materials, including cases, legislation, and journal articles. It is a useful resource for finding ICJ cases, judgments, and advisory opinions. To search for ICJ cases in Westlaw, users can select International Materials and then choose the relevant jurisdiction. Additionally, users can utilize the search box or the browse function to navigate through international content. It is important to note that due to licensing restrictions, Westlaw may not be accessible to all users. Alternative databases such as HeinOnline and Lexis Advance also provide access to international case law and ICJ decisions.
| Characteristics | Values |
|---|---|
| Database | Westlaw |
| Database Description | Large database of UK, US, and international legal materials, including cases, legislation, and journal articles |
| Database Contents | Judicial decisions from several countries, including Hong Kong, Pacific Islands, Africa, India, and the Middle East |
| ICJ Decisions | Available via HeinOnline with Oxford SSO for remote access |
| ICJ Cases | Include ICJ advisory opinions, judgments, and filings |
| ICJ Judgments and Advisory Opinions | Available on the ICJ official homepage, in reverse chronological order and alphabetical order by country |
| ICJ Case Examples | Nicaragua v. Honduras, Corfu Channel (United Kingdom v.) |
| ICJ Case Count | 200 cases entered in the General List between 22 May 1947 and 19 May 2025 |
| Additional Databases | Lexis Advance, HeinOnline |
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What You'll Learn

ICJ cases are available on HeinOnline and Westlaw
Westlaw is a large database of international legal materials, including cases, legislation, and journal articles. It covers the UK, US, and international jurisdictions. Due to licensing restrictions, it is not available to "walk-in" library users.
ICJ decisions are available on HeinOnline and require an Oxford Single Sign-On (SSO) for remote access. HeinOnline also includes the United Nations Law Collection, which provides ICJ cases in English and French. The ICJ cases on HeinOnline are from 1947 onwards.
Oxford LibGuides provides access to a database of ICJ cases and a list of pending cases. It also includes a growing library of mini-lectures by eminent scholars, grouped by subject area. The official website is maintained by the UN's Legal Office.
The World Court Digest, which is the successor to Fontes Juris Gentium, aims to aid the study of the decisions of the ICJ. It provides an overview of the judicial views of the World Court on questions of international law. Volumes 1, 2, and 3 of the World Court Digest are available, and cases decided since then will be added to the site by the WCD team.
To search for ICJ cases on Westlaw, you can follow these general steps for searching international case law on the platform:
- Navigate to the "International Materials" section.
- Select the desired jurisdiction, such as the United Kingdom, Canada, or New Zealand.
- Choose "Cases" from the Content Type options.
- Specify the required case citation or use the "Full Text" search with relevant keywords.
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Search using the case name, e.g. 'Nicaragua v. Honduras'
Westlaw is a large database of UK, US, and international legal materials, including cases, legislation, and journal articles. It is a useful resource for searching ICJ cases.
To search for ICJ cases in Westlaw using the case name, follow these steps:
Navigate to Westlaw:
Begin by accessing Westlaw, which is a comprehensive legal database. This platform offers a vast collection of legal information, including cases, legislation, and articles from various jurisdictions.
Understand the ICJ case naming convention:
ICJ case names follow a specific format, typically involving the names of the countries involved in the dispute. For example, "Nicaragua v. Honduras" indicates a case between Nicaragua and Honduras. Knowing this naming convention will help you formulate your search query effectively.
Use the search function:
Utilize the search bar on Westlaw to input the case name. In this case, you would search for "Nicaragua v. Honduras". Make sure to include the "v." or "versus" to ensure accurate results.
Refine your search:
Depending on the specific features available in your version of Westlaw, you may be able to refine your search using advanced options. This may include specifying the database or jurisdiction, narrowing down by date, or using Boolean operators to combine multiple search terms. Experiment with these options to tailor your search further.
Explore additional resources:
In addition to Westlaw, there are other resources that can aid your search for ICJ cases. These include the International Law Reports (ILR) as part of the vLex subscription, the World Court Digest, and the official website of the International Court of Justice, which provides access to a database of cases and pending cases.
By following these steps and utilizing the resources mentioned, you should be able to effectively search for ICJ cases in Westlaw using the case name, such as "Nicaragua v. Honduras." Remember to adapt your search strategy based on the specific features and options available in your version of Westlaw.
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Browse via the Sources tab, then the International Content link
Westlaw is a large database of UK, US, and international legal materials, including cases, legislation, and journal articles. It provides access to case law from the United States from 1658 and selected international jurisdictions.
To search for ICJ cases on Westlaw via the Sources tab, follow these steps:
- Click on the "Sources" tab on the Westlaw homepage. This will open up a menu with various options.
- Look for and click on the International Content link. This will direct you to a page specifically for international legal materials.
- Once on the International Content page, you have two main options for searching: using the search box or browsing.
- If you know specific keywords or have a citation, use the search box at the top of the screen. You can use the drop-down menu to filter your results in advance if needed.
- If you prefer to browse, use the browse function on the lower half of the screen. First, select "International" again to ensure you are searching within international sources.
- From there, you can either search for a specific source or browse alphabetically by selecting a letter of the alphabet.
Remember that Westlaw may have different levels of access for academic users and professionals, so the availability of full-text documents may vary.
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ICJ cases cover international legal theory and international dispute settlement
Westlaw is a large database of UK, US, and international legal materials, including cases, legislation, and journal articles. It is a useful resource for researching ICJ cases, which cover international legal theory and international dispute settlement.
The International Court of Justice (ICJ) has a twofold role: settling legal disputes between states in accordance with international law and providing advisory opinions on legal questions referred to it by authorised UN organs and agencies. These contentious cases and advisory procedures are the two primary types of ICJ cases.
To search for ICJ cases in Westlaw, one must first access the database. Due to licensing restrictions, it may not be available to all users. Once in the database, one can utilise the Sources tab and select the International Content link. From there, one can use the search box with the drop-down menu to filter in advance or the browse function on the lower half of the screen.
In addition to Westlaw, other databases like HeinOnline, JustisOne, and the World Court Digest are useful for researching international case law. These databases provide access to a range of international legal materials, including ICJ decisions, judgments, and advisory opinions.
When researching ICJ cases, it is important to note that no single reporter or source contains all international cases and awards. Thus, it is beneficial to consult a variety of sources, including books, working papers, law reviews, and journals, which may cite relevant ICJ cases. Additionally, resources like the Bluebook, yearbooks, and country-specific case reporters can provide valuable information on international legal theory and dispute settlement.
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Westlaw also includes US and UK legal materials
Westlaw is a vast database of legal materials, including cases, legislation, and journal articles, from the UK, US, and international jurisdictions. It provides full-text access to a wide range of legal information, including UK cases, UK and Scottish legislation, several UK legal journals, and EU materials.
Westlaw's Journals search feature provides abstracts from articles published in UK journals, including articles not available in full text on Westlaw. It also includes US federal and state legislation and case law, journals/law reviews, and other secondary materials.
To access US materials on Westlaw, users can select the 'U.S. Materials' link under 'RELATED LEGAL' on the Westlaw UK homepage. This will allow users to search for articles in US legal periodicals and access secondary sources.
Westlaw also provides access to international materials, including case law from the International Court of Justice and International Criminal Tribunals, and materials from organisations such as WTO/GATT, WIPO, UNICTRAL, and NAFTA. To access these international materials, users can follow the link to 'Westlaw International' from the homepage.
In addition to the UK and US materials, Westlaw offers legal resources from other jurisdictions, including Canada, Australia, Hong Kong, and New Zealand.
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Frequently asked questions
Westlaw is a database of UK, US, and international legal materials, including ICJ cases, legislation, and journal articles. To search for ICJ cases, select 'International Materials', then select 'Cases' from the Content Type, and select the jurisdiction you require.
If you are looking for a specific case, you can use the search box and enter keywords. For example, if you are looking for the case 'Nicaragua v. Honduras', a search for those keywords will bring up the correct result.
You can use HeinOnline, which contains international law with a focus on the US. The International Law Reports (ILR) also provides indexes and tables of ICJ cases.


































