opencaselaw.ch
Open CC0 database of Swiss court decisions and federal and cantonal laws for lawyers, researchers and AI tools
Highlights
- New on EvolcAdded 2026-11-05
About opencaselaw.ch
OpenCaseLaw publishes Swiss court decisions and the current text of federal and cantonal laws as a searchable, citation-linked, machine-readable open dataset. The corpus covers published rulings from federal courts, all 26 cantons and the European Court of Human Rights, plus regulatory decisions, administrative practice, legislative materials and selected commentaries.
Access is offered through an MCP server for AI clients, a REST API, a research CLI and a Parquet bulk download. The data is released under CC0 and the code under the MIT licence. The stated target users are law students, researchers, legal practitioners and developers of AI agents. The project is described as independently funded and without commercial interest.
The corpus lists 1,074,652 published decisions dated 1875 to 2026, 21,988 laws and 10.0 million citations between decisions and statutes. Courts are re-scraped daily and the corpus and citation graph are regenerated automatically. The project is built and operated by Jonas Hertner.
Product: Searchable database of Swiss court decisions and laws, with an MCP server, REST API, research CLI and Parquet bulk download.
Jobs at opencaselaw.ch
Leadership
- Jonas Hertner · FounderSource: company website
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