To verify an AI-generated legal citation, confirm the authority exists, read it, match every quotation and pincite, test whether it supports the stated proposition, and check later treatment. Then record the result and have the responsible attorney sign off.
An AI tool can assist each step, but cannot replace attorney review.
This guide is for litigators, knowledge-management teams and supervising partners. It sets out an eight-step workflow, a severity scale for issues, an audit template and the limits of automated checking.
Important: This article is general information, not legal advice. Following any checklist or workflow here does not guarantee compliance with ethics rules or court requirements. Obtain advice for your jurisdiction.
Why Verification Is the Lawyer's Duty
Federal Rule of Civil Procedure 11(b)(2) provides that by presenting a filing, an attorney certifies legal contentions are warranted by existing law or a nonfrivolous argument for changing it (LII: FRCP Rule 11).
In 2023, a federal court in New York sanctioned lawyers who filed nonexistent cases generated by ChatGPT (LawNext report). ABA Formal Opinion 512 links generative AI use to the duty of competence (ABA announcement).
Many courts also have local rules or standing orders on AI use. Check the rules of every court where you file. Supervision design is covered in how law firms should supervise AI legal review.
The Eight Steps
Step 1: Inventory. List every citation, quotation and proposition in the draft, including footnotes.
Step 2: Locate the authority. Find each case, statute or rule in an authoritative source. If it cannot be found, treat it as blocking.
Step 3: Read it. Read the relevant part of the opinion, not only a summary or headnote.
Step 4: Match quotations and pincites. Compare each quotation word for word, including omissions, and confirm the pinpoint page.
Step 5: Test proposition support. Confirm the authority actually holds what the brief says, and distinguish holding from dicta.
Step 6: Check later treatment. Use a citator to check whether the authority was reversed, overruled or questioned. Citator flags need interpretation; see KeyCite status flags.
Step 7: Confirm jurisdiction and currency. Check binding versus persuasive status, and that statutes and rules are the current versions.
Step 8: Document and sign off. Record each result and the reviewer, refresh checks close to filing, and have the responsible attorney approve.
Issue Severity Scale
| Class | Meaning | Action |
|---|---|---|
| Verified | Exists, quotations and pincites match, supports the proposition | Keep |
| Form issue | Citation format, reporter or pincite formatting error | Correct |
| Material issue | Misquotation, wrong pincite, overstated holding, negative treatment | Rewrite or replace, attorney decides |
| Blocking issue | Authority cannot be found or does not support the point | Remove before filing |
Audit Template
| Field | Example entry |
|---|---|
| Citation as drafted | As it appears in the brief |
| Source checked | Database or official reporter |
| Quote match | Yes / No, with note |
| Pincite correct | Yes / No |
| Supports proposition | Yes / Partly / No |
| Later treatment | Citator result and date checked |
| Class | Verified / Form / Material / Blocking |
| Reviewer and date | Name, date |
Worked Example: Classifying Three Citations
Illustrative example. Fictional citations for demonstration only.
• Citation A: found, quotation matches, supports the point. Class: Verified
• Citation B: found, but the quoted sentence omits a qualifying clause. Class: Material issue; attorney rewrites the sentence
• Citation C: no record found in two authoritative databases. Class: Blocking issue; removed and the point re-researched
Limitations of Automated Citation Checking
• Tools can miss nuance: whether an authority supports an argument is a legal judgment
• Databases differ: coverage and update timing vary; record which source was used
• Citator flags are signals: a negative flag may concern an unrelated point
• Confidentiality still applies: only use tools approved under the firm's policy for client material
Our own product (disclosure: LuMay sells Lexintis). The Lexintis Virtual Paralegal checks citations, quotations, pincites, proposition support, case treatment and regulatory currency, and produces redlined DOCX files, authority audits and exception reports.
It classifies issues as Verified, Form Issue, Material Issue or Blocking Issue. Decisions stay with the attorney.
Next Step
If your team needs repeatable authority audits before filing, review how an assisted workflow fits your supervision process. See how Virtual Paralegal audits citations.
Sources
• LII: Federal Rule of Civil Procedure 11
• LawNext: Court sanctions lawyers over ChatGPT-generated cases
