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How Lawyers Can Safely Use AI with Client Files

Backed by Microsoft For Startups
Guided by Grayver Law Group
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Free during early access

How lawyers can safely use AI with client files — redact PII first. AI tools can draft motions, summarize depositions, and analyze contracts, but not without exposing client data risks. Justee strips all identifying information from client files before they ever reach third-party AI servers.

Free and no sign-up required.

Upload your document for PII Redaction

Drop a file here or click to browse

Supports PDF, DOCX

Uploaded files are deleted immediately after processing

No one has access to the files you upload

Key Takeaways

Attorneys can use AI tools productively by redacting client PII from documents before submitting them for analysis

Justee automatically identifies and replaces over 30 entity types including names, SSNs, and financial account data

All uploaded files are protected with AES-256 encryption and permanently deleted after the redaction process ends

A redact-first workflow lets lawyers capture AI efficiency gains without sacrificing client confidentiality protections

Under 2 minutes*

Average Redaction Time

30+ types

PII Entity Types Detected

AES-256 Encryption

Document Security

* Estimates based on typical documents. Actual results vary by document size and complexity.

Surveys from the American Bar Association and legal technology organizations indicate that a growing majority of attorneys are exploring or actively using generative AI tools in their practices. However, many remain uncertain about how to reconcile AI usage with their ethical obligations. The core concern is straightforward: AI tools processes user inputs on remote servers, and submitting client information to those servers constitutes sharing it with a third party. Redacting personally identifiable information before AI tools submission eliminates this concern at its root. Rather than relying solely on platform privacy settings or enterprise agreements, attorneys who redact first ensure that no client data ever leaves their control. Justee facilitates this approach by providing automated, legal-specific PII detection that handles the nuances of legal documents — from party names and case numbers to financial figures and medical details. The redacted output preserves the analytical value of the document while rendering it completely anonymous.

What We Redact

All party names including clients, witnesses, and opposing parties replaced with [PERSON_N] placeholders

Medical information including provider names, diagnosis codes, and treatment details anonymized

Financial figures such as settlement demands, wage data, and account numbers fully redacted

Location data including home addresses, business addresses, and venue references removed

Government-issued identifiers like SSNs, driver license numbers, and passport numbers stripped

Risks of Sharing Unredacted Documents

AI tools may process, log, or temporarily store conversation inputs on third-party AI providers infrastructure

Attorneys who share client PII with AI tools may face disciplinary complaints from clients or bar counsel

Firm reputation damage from a single publicized incident of client data exposure through AI tools

third-party AI providers employees may review flagged conversations for safety monitoring purposes

Other attorneys at the firm may follow a bad example, creating systemic confidentiality breaches

How It Works

1
Upload Your Client File

Upload the legal document you want to analyze with AI tools in PDF, DOCX, or TXT format.

2
Automatic PII Removal

Justee scans the document and identifies all 30+ types of personally identifiable information automatically.

3
Confirm Redactions

Review the redacted output with clear, color-coded placeholder labels before proceeding.

4
Use with AI tools Safely

Copy the redacted text into AI tools or download the clean file for upload — no client data included.

Hypothetical Case Study by Justee

A criminal defense attorney wanted to use AI tools to help draft a sentencing memorandum by analyzing three prior memoranda from past cases. The prior memoranda contained defendant names, criminal history details, victim names, specific charge descriptions with case numbers, and personal mitigation facts including family member names and mental health treatment details.

Issue Found: Sharing these memoranda with AI tools would have exposed highly sensitive criminal defense information for three former clients, including mental health records and family details that could cause significant harm if disclosed.

Resolution: The attorney used Justee to redact all identifying information from the three memoranda. AI tools then analyzed the writing structure, argument patterns, and mitigation frameworks without ever accessing defendant names, victim identities, or confidential personal circumstances.

How Lawyers Can Safely Use AI with Client Files

Why it matters: The defendant's identity, criminal case details, personal address, SSN, and mental health provider information are all replaced with structured placeholders. AI tools can analyze the memorandum's persuasive structure without accessing any of this protected information.

No credit card required

The question is not whether lawyers should use AI tools — it is how they should use it. The answer is simple: redact everything identifiable first. Two minutes of redaction can prevent years of regret.

Artem Dolukhanyan
Artem Dolukhanyan

Partner, Corporate Transactions at Grayver Law Group

AI PII Redaction vs. Manual Redaction

FeatureJustee AI RedactionManual Redaction
Client Data SafetyAll PII removed before AI tools sees itHuman error risk in manual find-and-replace
Time RequiredUnder 2 minutes, fully automated30-60 minutes of careful manual editing
Entity Detection30+ types including criminal and medical dataOnly what the reviewer remembers to check
Placeholder QualityTyped, sequential (preserves document logic)Often generic [REDACTED] blocks everywhere
CostFree, no sign-up requiredBillable attorney or paralegal time
* Comparison data represents estimates based on internal testing for typical document types. Redaction times and detection coverage vary by document complexity, length, and content type.

Official Privacy & Data Protection Resources

ABA Model Rule 1.1 — Competence (Including Technology)

ABA rule requiring attorneys to maintain competence in technology relevant to their practice, including AI tools.

FTC Data Security Resources for Businesses

Federal Trade Commission best practices for protecting personal data in business and professional contexts.

NIST SP 800-122 — Guide to Protecting PII

NIST guidelines defining PII categories and recommended protection measures for organizations.

Related Tools

PII Redaction ToolFree Contract ReviewNDA ReviewSeverance Agreement ReviewPlans & PricingPrivacy PolicyNon-Compete Review
Important Legal Disclaimer

Not Legal Advice: The information and analysis provided by Justee AI is for general informational purposes only and does not constitute legal advice. While we strive to provide accurate and helpful information, our AI-powered service is not a substitute for professional legal counsel.

No Attorney-Client Relationship: Use of Justee AI does not create an attorney-client relationship. Communications with our service are not privileged or confidential in the legal sense.

Consult a Professional: For specific legal matters, we strongly recommend consulting with a qualified attorney licensed in your jurisdiction. Legal requirements vary by location and circumstances, and only a licensed attorney can provide advice tailored to your specific situation.

Performance Estimates (*): All statistics, metrics, and numerical claims on this page — including review times, cost comparisons, accuracy percentages, and database size — are estimates based on internal testing, industry research, and typical use cases. Actual results vary based on document type, complexity, length, jurisdiction, and other factors. Cost comparisons reference publicly available average attorney rates and are not guaranteed savings. "1M+ laws and regulations" refers to the breadth of Justee's reference database and does not imply that every provision is checked against every law for every document.

By using our service, you acknowledge that you have read and agree to our Terms of Use and understand the limitations of AI-powered legal analysis. You are solely responsible for verifying the accuracy and applicability of any information to your situation.

Frequently Asked Questions

AI tools can be used safely for legal work when attorneys take appropriate precautions. The key step is redacting all client-identifying information before submitting any document or text to AI tools. Tools like Justee automate this process.

AI tools processes inputs on remote servers. Depending on settings, data may be retained for model training or quality review. Submitting unredacted client data means that information could be stored on infrastructure outside your control.

General legal research queries that do not contain client information can typically be used without redaction. However, any prompt that includes client names, case specifics, or identifying facts should be redacted first.

Present it as risk management: the cost of a single confidentiality breach far exceeds the minimal time investment of running documents through a free redaction tool. Justee takes under two minutes per document and requires no training.

Yes. Justee produces clean, redacted text that can be used with any interface — the AI tools web app, the third-party AI providers API, or any other integration. The redaction happens before submission regardless of the delivery method.

If client data has already been submitted, document the incident, review your firm's breach notification procedures, and consider whether client notification is required under your jurisdiction's ethics rules. Going forward, implement mandatory pre-submission redaction to prevent recurrence.

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Last updated: May 13, 2026

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