IUS - Tesis y Leyes de México

Mexico's complete and up-to-date legal library: all the jurisprudence of the Supreme Court of Justice of the Nation (SCJN) and federal and state laws, with a Research Assistant that answers questions citing its sources.

Since 2012, thousands of lawyers have used IUS to find the exact ruling in seconds. Today, it's a completely new application, rewritten from the ground up.

THE COMPLETE CORPUS

• 262,099 theses and jurisprudence from the Judicial Weekly of the Federation, from the Fifth to the Twelfth Epoch

• 6,222 federal and state laws with their amendment history

• 486,126 indexed articles linked to the theses that interpret them

• ​​Judgments, rulings, and agreements, all interconnected

• Continuous updates as the SCJN publishes its rulings

IUS ASSISTANT: AI WITH SOURCES

Ask a colleague in Spanish: "Who must prove the dismissal of a pregnant employee?" The Assistant searches the corpus, writes the response, and cites each statement. You tap the quote and open the thesis or article. If the sources are insufficient, it tells you instead of making them up. AI-generated content: verify sources before citing.

RESEARCH FASTER

• Search that understands concepts, not just exact words (with or without accents)

• Filters by subject, period, court, year, and type

• Smart summary of theses and rulings: criteria, facts, and relevance in seconds

• Every reference within a document is navigable: from the thesis to the article, and from the article to the theses that cite it

YOUR PRACTICE, ORGANIZED

• Folders by case file, saved files, and private notes

• Alerts: we notify you when the Court publishes theses on the topics you follow

• Articles linked to the current reform or fixed to a specific reform

• Careful typographical reading, designed for reading law

IUS ACCESS

Single subscription, no tiers: $149 MXN per month or $999 MXN per year with a 7-day free trial. The price may vary depending on the region and is always displayed before confirmation. Your subscription will automatically renew unless you cancel it at least 24 hours before the end of the current period through your account settings in the store.

IUS is a research tool; it does not constitute legal advice and does not replace professional judgment. Official publications are the only ones with legal standing.

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