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🏛️ Google Scholar Case Law API

API for US case law on Google Scholar. Search opinions and pull full case details (parties, court, decision dates, full citations, cited cases) as structured JSON. Filter by court, by decision year, by language. MCP-ready so Claude and other AI agents can call it as a tool.

📋 What this API returns

🔍 Use cases

• Legal research API. Pull every Supreme Court opinion mentioning a phrase, scoped by year.
• Citation analysis. Get cited_cases for a known opinion and walk the citation graph.
• Jurisdictional studies. Restrict to a specific court (e.g. 158 for SCOTUS, 33 for New York state courts) and export the corpus.
• Litigation prep. Pre-load case-fact summaries into your case-management workflow.
• AI agent workflows. Drive this API over MCP from Claude (see below) to research case law in-conversation.

⚙️ Input examples

Basic search

{
"query":"patent infringement",
"maxResults":20
}

Court-filtered, year-bounded search

{
"query":"First Amendment school speech",
"maxResults":30,
"yearFrom":2010,
"yearTo":2024,
"courts":["158"],
"sortByDate":true
}

courts: ["158"] restricts to the Supreme Court of the United States. Leave courts empty to search every US state and federal court.

Fetch full case detail by ID

{
"caseIds":[
"1810530706706468549",
"5036225562552830387"
]
}

Search and auto-fetch detail for every hit

{
"query":"trademark dilution",
"maxResults":5,
"fetchCaseDetailsForResults":true
}

Returns 5 search_result rows AND 5 case_detail rows in the dataset.

🧾 Common court codes

Any numeric court code shown in Google Scholar's case-law UI is accepted.

🔌 Use this API from Claude (MCP)

This Actor is MCP-server-compatible. Once published to the Apify Store, it is reachable from any MCP client (Claude Desktop, Claude Code, etc.) via Apify's hosted MCP server at https://mcp.apify.com.

Add this to your MCP client config (e.g. ~/.claude/mcp.json or Claude Desktop's claude_desktop_config.json):

{
"mcpServers":{
"apify":{
"url":"https://mcp.apify.com",
"headers":{
"Authorization":"Bearer YOUR_APIFY_TOKEN"
}
}
}
}

Then ask Claude:

"Use the Google Scholar Case Law API to find patent infringement cases from 2020 onward. Return the top 5 results, then fetch the full case detail for each one."

Claude will call this Actor through the MCP server. The input schema's field descriptions become tool-arg docs, and the structured dataset comes straight back into the conversation.

💰 Pricing (pay-per-event)

A 10-result search costs $0.02 + 10 x $0.02 = $0.22. A 10-result search plus detail for every result costs $0.02 + 10 x $0.02 + 10 x $0.02 = $0.42.

🗂️ Output format

Every dataset item has a result_type field. It is either "search_result", "case_detail", or "error". Filter the dataset on this field to separate the two kinds of rows. Search results carry result_id; case-detail rows carry case_id (they are the same identifier).

n8n integration

Available as an n8n community node, n8n-nodes-google-scholar-case-law-api. In n8n: Settings, Community Nodes, install n8n-nodes-google-scholar-case-law-api, then use it in any workflow (it also works as an AI Agent tool).

Featured Tasks

Ready-to-run examples that show this API solving a specific problem. Each opens its own setup so you can run it on your account in one click.

• Find Ninth Circuit opinions on qualified immunity - Ninth Circuit qualified-immunity cases with citation, date, and snippet.
• Export case law search results to CSV - case law search results as clean rows, export ready for legal review.
• Do legal research in Claude with a case law MCP - US case law search inside Claude chat via MCP, with citations and courts.

• Search US case law with a free API - search US federal and state case law by keyword with a free API.
• Find Supreme Court cases citing Chevron deference - search Supreme Court opinions on Chevron deference. Last Updated: 2026.06.19