Legal Data & Resources
This category catalogs open legal data sources and digital research tools available to legal professionals, scholars, and the public. Each article covers a specific dataset or resource — its scope, access methods, licensing terms, API availability, and practical applications for legal research. Resources include case law databases, legislative tracking tools, court record repositories, and international legal instruments.
Caselaw Access Project (Harvard Law School)
The complete digitized collection of US case law, containing over 6.4 million cases spanning 1658 to 2018. The Caselaw Access Project (CAP) was a landmark digitization initiative by Harvard Law …
Cornell Legal Information Institute (LII)
The oldest and most comprehensive open access publisher of US legal materials, including the US Code and Wex encyclopedia. The Legal Information Institute (LII) at Cornell Law School pioneered free …
CourtListener and the Free Law Project
A comprehensive open platform providing US case law, oral arguments, PACER data, and judicial biographies. The CourtListener platform is the flagship project of the Free Law Project, a nonprofit …
EUR-Lex (EU Legal Database)
The official portal for European Union legal documents, including treaties, legislation, case law, and parliamentary materials. EUR-Lex is the official online repository of European Union law, …
Free Access to Law Movement (LIIs Worldwide)
The global network of Legal Information Institutes providing free online access to legal materials across jurisdictions. The Free Access to Law Movement (FALM) is a global network of Legal Information …
Google Dataset Search for Legal Data
A specialized search engine indexing thousands of legal datasets from repositories worldwide. Google Dataset Search indexes over 20 million datasets from repositories worldwide, including a …
GovTrack.us (Congressional Data)
Open data platform tracking US Congress bills, voting records, member profiles, and legislative analytics. GovTrack.us is an independent platform that makes US Congress data freely accessible. Founded …
HUDOC (European Court of Human Rights)
The official database of the European Court of Human Rights, containing all judgments, decisions, and legal summaries. HUDOC is the official case law database of the European Court of Human Rights …
Legislation.gov.uk (UK Legislation)
The official home of UK legislation, providing free access to all Acts, Statutory Instruments, and explanatory memoranda. Legislation.gov.uk is the official website for UK legislation, operated by The …
Open States (State Legislative Data)
A comprehensive platform aggregating legislative data from all 50 US states, territories, and DC. Open States is an open data project that collects, standardizes, and publishes legislative data from …
Oyez Project (Supreme Court Media)
The premier resource for US Supreme Court oral arguments, case summaries, and institutional information. The Oyez Project at Chicago-Kent College of Law is the definitive digital archive of US Supreme …
RECAP (PACER Document Archive)
A crowdsourced open archive of federal court documents from PACER, operated by the Free Law Project. RECAP is a platform that collects and freely distributes US federal court documents originally …
UN Treaty Collection
The official repository of United Nations treaties and international agreements, with over 560,000 treaty records. The United Nations Treaty Collection (UNTC) is the official repository of treaties …