How to use ChatGPT for legal research

Find the statute, the regulation and the opinions that interpret them, then read the actual text before you rely on any of it. The Firecrawl plugin gives ChatGPT the Firecrawl Government Index and CourtListener through Firecrawl Alexandria, so every authority it mentions comes with a link to its source record.

• Lawyers and paralegals running a first pass on a question before opening Westlaw or Lexis.
• In-house counsel checking what a state statute or agency rule actually says.
• Law students and legal writers who need real citations, not plausible ones.

Plugin: the Firecrawl plugin. ChatGPT gains search over the court records, codes and agency pages in Firecrawl Alexandria, and can scrape any official page a result links to. Priced calls are paid in Firecrawl credits, and Firecrawl Government Index searches are free.

Explore Firecrawl Alexandria data providers across categories

Swap in your own question and jurisdiction to run a ChatGPT legal research pass:

@firecrawl I'm researching whether non-compete agreements are enforceable
against employees in California. Use the Firecrawl Government Index and
CourtListener in Firecrawl Alexandria, and show the price of each tool
before running it.
 
Give me a research memo outline:
- The governing statute, quoted from the official code page, with its URL.
- Five California appellate opinions from 2020 onward that apply it, each
  with case name, court, date filed and a link to the opinion.
- Any agency or state guidance pages that cite the statute.
 
Quote only from pages the tools returned. If you can't find an authority,
say so. Don't summarize a case you haven't opened.

• Get Firecrawl into ChatGPT. The install button sits right under this list.
• Connect Firecrawl. Firecrawl Government Index searches are free, and CourtListener lookups cost a few credits each. Sign up if you don't have an account.
• Keep client details out of the prompt. Frame questions around the law itself. These tools search public records and need no names or facts from your file.

Using ChatGPT for law means every answer is only as good as the authority behind it, and that's where ChatGPT on its own causes the most trouble.

1. Cases that don't exist. In Mata v. Avianca, a federal court in New York fined the plaintiff's lawyers $5,000 after they filed a brief citing non-existent opinions, and ordered them to write to each judge falsely named as an author (CourtListener). According to the court's sanctions opinion, the cases came from ChatGPT, which also told the lawyer they were real.
2. Verification is the lawyer's job. The ABA's Formal Opinion 512 says generative AI tools can hallucinate plausible responses with no basis in fact, and that relying on them without an appropriate degree of independent review could breach the duty of competence (ABA).
3. Law changes after the cutoff. OpenAI says ChatGPT's answers don't cover events after its training data unless a tool is used (OpenAI). An amendment or a new appellate decision from this year won't be in its memory.
4. Client confidences. Opinion 512 says a client's informed consent is required before a lawyer puts information about the representation into a self-learning AI tool (ABA). The State Bar of California's 2026 guidance adds that lawyers should understand how a product collects, stores and shares what they type (State Bar of California).
5. Court rules vary. California's guidance also says a lawyer must check every AI output, citations included, before it goes to a court, and must look up any local rule or order requiring disclosure that AI was used (State Bar of California).
6. Paywalled research tools. Paywalls, robots.txt settings and technical faults can each stop ChatGPT from reading a source, OpenAI notes (OpenAI), and commercial databases with citators sit behind subscriptions.

Each legal question goes through three layers:

• Firecrawl Alexandria: where the plugin finds its records. More than 100 official providers sit in it under paid agreements, beside a Firecrawl Government Index of court, code and agency pages and Firecrawl's web, Research and Developer indexes. Firecrawl ran 845 tasks twice, once with Firecrawl Alexandria and once with stock web tools, and the Firecrawl Alexandria runs were judged 21% better.
• Primary law from the Firecrawl Government Index: asking about California non-competes brought back section 16600 of the Business and Professions Code straight from leginfo.legislature.ca.gov, with the subsection that voids employee noncompetes "no matter how narrowly tailored." Its cites filter surfaces material applying a provision, for example opinions that cite 42 U.S.C. § 1983.
• Case law from CourtListener: searches return opinions with court, filing date, cite count and the PDF. A search for opinions since January 2025 that mention ChatGPT alongside sanctions, fictitious or nonexistent returned 38 published decisions.
• You approve the spend: ChatGPT lists prices first, and the Firecrawl Government Index costs nothing.

Shape the request around your practice; these two ChatGPT for lawyers prompts cover litigation and in-house work. For a litigator checking authority before a filing:

@firecrawl On CourtListener, find Ninth Circuit opinions since 2022 that
discuss qualified immunity in excessive-force cases. List case name, date,
cite count and opinion link, sorted by most cited. Then open the top two
and quote the holding.

For in-house counsel on a compliance question:

@firecrawl Use the Firecrawl Government Index to find Texas statutes and
state agency pages on employee data breach notification. Quote the
notification deadline from the official code and link every page you use.

Both prompts name the jurisdiction, the source and what to quote, which keeps ChatGPT tied to documents you can open.

Find who has cited a case

@firecrawl Search CourtListener for published opinions that cite
"678 F. Supp. 3d 443" and list them with court and date.

Read a federal docket

@firecrawl Find the federal docket for Mata v. Avianca on CourtListener and
list the entries from May and June 2023 with their descriptions.

Trace a statute through regulations

@firecrawl Use the Firecrawl Government Index to find federal regulations
and agency guidance that cite 15 U.S.C. § 7701, with links.

Pull a local ordinance

@firecrawl Find Austin's rules on short-term rentals in the Government
Index and quote the permit requirements with the page URL.

Check prices first

@firecrawl Which tools search statutes, court opinions or federal dockets?
List each with its price. Don't run any yet.

Asking which tools exist, and what each costs, uses no credits. ChatGPT draws on your balance only for a tool that carries a price, and Firecrawl pricing lists how many credits each plan comes with.

ChatGPT tells you which tool it used and how many credits it spent.

• How to look up an LLC or corporation in ChatGPT: official state registry records for an entity.
• How to check if a brand name is trademarked in ChatGPT: USPTO and international trademark searches.
• How to use ChatGPT for research: papers and statistics for the factual side of a matter.

• No citator. CourtListener reports how often a case is cited, not whether it has been reversed or overruled. Confirm good law before relying on a case.
• Published opinions by default. Opinion searches return published decisions unless you ask for unpublished ones, and dockets cover federal cases in the RECAP archive, which doesn't hold every PACER filing.
• Not legal advice. These tools find and quote authority. Applying it to a client's facts is still the lawyer's work.