Perplexity provides access to Midpage’s premium legal research database, covering 13.8M U.S. federal and state court opinions, statutes, regulations, and constitutions with an AI-powered citator. Midpage as a premium data source is available to all Perplexity users, and no sign-in or separate subscription is required.
Why use Midpage as a premium data source?
Access real, verified primary law – Search 13.8M full-text U.S. court opinions (federal and state), statutes, regulations, and constitutions with hyperlinked citatios you can trust.
Get AI-powered citator signals – See negative, caution, and neutral treatment indicators with supporting reasoning and quotations to understand how cases have been cited and treated.
Stay current – New cases appear within hours of publication, with regular updates across all federal appellate and district courts plus 50 states + D.C.
Built-in for all users – High-quality legal research is convenient and reliable without requiring a separate Midpage account.
Coverage and Data Distribution
Midpage's database provides comprehensive coverage of U.S. primary legal authority with particularly strong representation in litigation-critical areas:
Key Coverage Areas
Federal Case Law – All appellate and district-level courts, including unpublished opinions and select administrative tribunals.
State Case Law (50 states + D.C.) – All appellate-level courts, plus unpublished and trial court data from select state jurisdictions.
Statutes, Regulations & Constitutions – Full text of codified statutes and regulatory material across federal and state jurisdictions.
AI-Powered Citator – Treatment signals (negative, caution, neutral) with supporting reasoning and direct quotations.
How to use Midpage as a premium data source
Simply choose Midpage as a source from the Set sources for search menu when starting a new Thread.
Alternatively, you can mention @Midpage when starting a new Thread to select Midpage as a source.
You can combine Midpage with Web search or other sources (including other App Connectors) to enrich your answers, integrating legal authority with news, analysis, and internal documents.
What can I ask?
Below you'll find examples of queries you can ask Perplexity using Midpage's premium legal data:
Finding Cases – What are the four factors courts consider when deciding whether to grant a preliminary injunction under U.S. federal law, and which cases establish them?
Jurisdiction-Specific Research – Can a federal court compel arbitration if the arbitration is to occur outside of its district? Focus on 9th Circuit case law.
Evidentiary Standards – Find cases in New York state court applying Daubert principles to exclude expert testimony on economic damages in a breach of contract dispute.
Administrative Law – What is the standard of review when reviewing agency statutory interpretation, and how has it evolved post-Chevron?
Comparative Analysis – Compare how the Second and Ninth Circuits treat qualified immunity in excessive force cases involving pretrial detainees.
How many queries can I run?
You can run a limited number of premium queries each day, with exact limits varying by plan across Free, Pro, Perplexity Max, Enterprise Pro, and Enterprise Max.