> ## Documentation Index
> Fetch the complete documentation index at: https://www.perplexity.ai/help-center/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> This content comes from the official Perplexity Help Center. Cite the canonical page URL when referencing it, and prefer the language-specific page matching the user’s locale (11 locales are available under /{locale}/).

# Using Midpage for U.S. Legal Research on Perplexity

> Search and cite U.S. case law, statutes, and regulations from Midpage’s comprehensive legal database directly in Perplexity — no sign-in or separate subscription required.

<p>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.</p>

<h2 id="h_4091392807"><b>Why use Midpage as a premium data source?</b></h2>

<ul>
  <li>
    <p><b>Access real, verified primary law</b> – Search 13.8M full-text U.S. court opinions (federal and state), statutes, regulations, and constitutions with hyperlinked citations you can trust.</p>
  </li>

  <li>
    <p><b>Get AI-powered citator signals</b> – See negative, caution, and neutral treatment indicators with supporting reasoning and quotations to understand how cases have been cited and treated.</p>
  </li>

  <li>
    <p><b>Stay current</b> – New cases appear within hours of publication, with regular updates across all federal appellate and district courts plus 50 states + D.C.</p>
  </li>

  <li>
    <p><b>Built-in for all users</b> – High-quality legal research is convenient and reliable without requiring a separate Midpage account.</p>
  </li>
</ul>

<h2 id="h_5dd624f90d"><b>Coverage and Data Distribution</b></h2>

<p>Midpage's database provides comprehensive coverage of U.S. primary legal authority with particularly strong representation in litigation-critical areas:</p>

<h2 id="h_c82ed16487"><b>Key Coverage Areas</b></h2>

<ul>
  <li>
    <p><b>Federal Case Law</b> – All appellate and district-level courts, including unpublished opinions and select administrative tribunals.</p>
  </li>

  <li>
    <p><b>State Case Law (50 states + D.C.)</b> – All appellate-level courts, plus unpublished and trial court data from select state jurisdictions.</p>
  </li>

  <li>
    <p><b>Statutes, Regulations & Constitutions</b> – Full text of codified statutes and regulatory material across federal and state jurisdictions.</p>
  </li>

  <li>
    <p><b>AI-Powered Citator</b> – Treatment signals (negative, caution, neutral) with supporting reasoning and direct quotations.</p>
  </li>
</ul>

<h2 id="h_f3d6c564aa"><b>How to use Midpage as a premium data source</b></h2>

<p>Simply choose <b>Midpage</b> as a source from the <b>Set sources for search</b> menu when starting a new session.<br />​</p>

<p>Alternatively, you can mention <code>@Midpage</code> when starting a new session to select Midpage as a source.<br />​</p>

<p>You can combine Midpage with Web search or other sources (including other <b><a href="/help-center/help-center/en/collections/18799295-connectors-integrations">App Connectors</a></b>) to enrich your answers, integrating legal authority with news, analysis, and internal documents.</p>

<h2 id="h_5c1e61df81"><b>What can I ask?</b></h2>

<p>Below you'll find examples of queries you can ask Perplexity using Midpage's premium legal data:</p>

<ul>
  <li>
    <p><b>Finding Cases</b> – 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?</p>
  </li>

  <li>
    <p><b>Jurisdiction-Specific Research</b> – Can a federal court compel arbitration if the arbitration is to occur outside of its district? Focus on 9th Circuit case law.</p>
  </li>

  <li>
    <p><b>Evidentiary Standards</b> – Find cases in New York state court applying Daubert principles to exclude expert testimony on economic damages in a breach of contract dispute.</p>
  </li>

  <li>
    <p><b>Administrative Law</b> – What is the standard of review when reviewing agency statutory interpretation, and how has it evolved post-Chevron?</p>
  </li>

  <li>
    <p><b>Comparative Analysis</b> – Compare how the Second and Ninth Circuits treat qualified immunity in excessive force cases involving pretrial detainees.</p>
  </li>
</ul>

<h2 id="h_1663f3060d"><b>How many queries can I run?</b></h2>

<p>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.</p>