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AI-Powered Citation Verification

Every citation verified against CourtListener, Lexis, and legal databases. Detects fabricated quotes, nonexistent cases, and misattributions. Never file a brief with a bad citation again.

Citation verification system checking South Carolina case law citations against Westlaw and court databases with green verified and red flagged indicators
Every citation verified before it reaches the court — never file a phantom citation

The Problem

After Mata v. Avianca, every litigator knows the risk: AI tools hallucinate citations — inventing cases that do not exist, fabricating quotes, and misattributing holdings. But manually checking every citation in a brief takes hours. And opposing counsel's filings could be full of bad citations you are not catching.

The Solution

Attorney Workbench automatically verifies every citation in every filing — yours and opposing counsel's. Citations are checked against CourtListener, a legal-validator API, Lexis, and your local case database. Each citation receives a verification tier, and problem citations are flagged with the exact issue: fabricated quote, wrong topic, nonexistent case, or citation format error. You see a risk score for every document before you file or respond.

How It Works

1

Upload or Paste

Upload a document (PDF, Word, or text), paste text directly, or verify citations in a filing already in your case. The system extracts every citation using legal citation parsing.

2

Multi-Source Verification

Each citation is checked against CourtListener (free case law), legal-validator API, Lexis, and your local database. Quotes are compared against actual opinion text with similarity scoring.

3

Review Results

Each citation receives a verification tier badge. Problem citations show exactly what is wrong. The system suggests verified replacement authorities for bad citations.

What's Included

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Multi-Source Verification

Citations are checked against four sources: CourtListener (free RECAP database), legal-validator API, Lexis integration, and your local case database. A citation must fail all sources to be flagged as Not Found.

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Verification Tiers

Five verification tiers: Quote Match (exact quote confirmed), Verified Match (case exists and is on-point), Quote Mismatch (case exists but quoted text is wrong), Citation Error (malformed citation), and Not Found (case does not appear to exist).

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Problem Detection

Detects fabricated quotes (quote not in opinion), wrong topic (case is about a different area of law), misattributions (quote is from a different case), and nonexistent cases (no record found in any database).

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Quote Matching

Compares quoted text against actual opinion text using similarity scoring with an 80% match threshold. Catches subtle misquotes and paraphrases presented as direct quotes.

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Risk Scoring

Each filing receives a citation risk score based on the number and severity of verification failures. Prioritize review for high-risk filings — your own before filing, and opposing counsel's for potential sanctions motions.

Batch Verification

Verify all citations in a document with a single click. The system processes citations in parallel and presents results as a verification scorecard with detailed audit trails.

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Correction Suggestions

When a bad citation is found, the system researches and suggests verified replacement authorities on the same legal point. Accept a replacement with one click.

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Opposing Counsel Analysis

Run verification on opposing counsel's filings to identify bad citations. Build motions to strike or sanctions requests with documented verification failures backed by authoritative sources.

See It in Action

Product screenshots showing AI-Powered Citation Verification in Attorney Workbench.

Frequently Asked Questions

Citations are verified against four sources: CourtListener (the largest free database of US case law, powered by the RECAP project), a legal-validator API, Lexis integration, and your local case database of previously verified opinions. A citation must fail all available sources to be classified as Not Found.
The system compares quoted text against the actual opinion text using similarity scoring with an 80% match threshold. This catches exact quotes, near-exact quotes with minor variations, and identifies quotes that have been fabricated or attributed to the wrong case. Quotes scoring between 80-100% are classified as Quote Match; below 80% as Quote Mismatch.
Yes. Upload or select any filing in your case — yours or opposing counsel's — and run citation verification. This is particularly useful for identifying fabricated or incorrect citations in opposing briefs, which can support motions to strike or sanctions requests.
Citation verification is built into the motion drafting pipeline. Every citation you add to a draft is automatically verified. You see verification badges (green/yellow/red) inline as you write. The system will not let you unknowingly export a draft with unverified or problem citations.
After batch verification, you receive a scorecard showing total citations found, how many passed verification at each tier, how many have problems, and an overall risk score. Each problem citation includes a detailed audit trail showing what was checked and what failed.

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