What is Jurisprudencia.io and what is it for?

Jurisprudencia.io is a Spanish case law search platform using artificial intelligence and semantic search to find and prioritize the most relevant resolutions for each query. Users can describe a legal question, case facts, or provide a specific reference and receive related resolutions with verifiable information and access to official sources.

What official sources does Jurisprudencia.io consult?

The search brings together Spanish resolutions from CENDOJ, BOE and Constitutional Court, complete Spanish texts of the Court of Justice of the European Union (CJEU), and administrative tax doctrine documents from DYCTEA and DGT (PETETE). Coverage depends on incorporated and verified publications.

How can I verify a resolution?

Each result shows the available identification data, such as the judicial body, type and date of the resolution, ECLI or ROJ when available. It also includes a direct link to the document published in the official source, so you can verify the resolution, its foundations and its context before using it.

How does the search engine work?

Write a legal question, describe relevant facts or enter a reference like an ECLI or ROJ. The engine combines textual search, semantic search and artificial intelligence to interpret the query, find related resolutions and rank them by relevance. When content is available, it also allows you to consult the legal grounds and ruling without confusing them with summaries or fragments.

Legal tech

Jurisprudencia.io

AI-powered search for Spanish case law and court decisions with official sources

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Search Spanish court decisions and case law using AI, with direct links to official sources and no hallucinations.

Overview

Screenshot of the Jurisprudencia.io homepage — A look at jurisprudencia.io

Jurisprudencia.io is a search platform for Spanish court decisions that combines artificial intelligence and semantic search to find relevant resolutions for legal queries. Users can describe a legal question, case facts, or reference a specific resolution and receive related court decisions with verifiable information and access to official sources.

The platform covers over 2 million resolutions from Spanish courts, the Constitutional Court, and the Court of Justice of the European Union (CJEU), with access to official sources including CENDOJ, the Official State Gazette (BOE), and administrative tax doctrine. Each resolution includes judicial body, type, date, and a direct link to the official published document.

Jurisprudencia.io integrates with Claude and ChatGPT through MCP and API, allowing lawyers to consult case law without leaving their AI conversations. The platform processes queries daily to incorporate new resolutions and provides semantic, textual, and AI-powered search to interpret queries and rank results by relevance.

Feature summary

Search over 2 million Spanish court resolutions with AI and semantic search
Direct links to official court sources with no hallucinations
Access 594 judicial bodies and courts
Official sources including CENDOJ, BOE, Constitutional Court, CURIA, DYCTEA and DGT
Combine textual, semantic and AI search with judicial terminology interpretation
Daily automatic updates of new resolutions from official judicial sources
Access to full CJEU texts in Spanish from official CELLAR repository
GDPR and LOPDGDD data protection by design
Search history and saved favorites in user account

Pricing

Free: 5 searches per day, 100 resolution queries per day via API and MCP, no credit card required. Monthly: 19.90 €/month, unlimited manual web searches (fair use), 500 searches per day via API and MCP, 10,000 resolution queries per day. Annual: 199 €/year (equivalent to 16.58 €/month, saves 39.80 €

See Jurisprudencia.io's full pricing (external, new tab)