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Conflict Check Automation for US Law Firms: ABA Rules 1.7, 1.9, and 1.18

How to automate conflict checks while maintaining full ABA compliance. Covers current clients, former clients, and prospective clients under Model Rules.

January 28, 2026Updated: April 09, 2026
Quality Note
  • Focus: Process/operations over tool hype
  • As of: April 09, 2026
  • No legal advice – only organisational/process model
  • How we work

The Conflict Check Problem

Every new matter requires conflict checks. Manual searches through years of records. Multiple databases. Email chains asking partners about prior relationships.

It takes hours. It delays intake. And manual processes miss things.

Automation can reduce conflict check time to minutes while improving accuracy. But the ethics stakes are high. A missed conflict can mean malpractice, bar discipline, and disqualification from matters.

The ABA Rules Framework

Rule 1.7: Current Client Conflicts

You cannot represent a client if:

  • The representation is directly adverse to another current client, OR
  • There is significant risk the representation will be materially limited by responsibilities to another client, former client, or third person

Automation requirement: Your system must identify ALL current client relationships across all practice areas and offices.

Rule 1.9: Former Client Conflicts

You cannot represent someone adverse to a former client in the same or substantially related matter unless:

  • The former client gives informed written consent

Automation requirement: Your system must maintain searchable records of former clients indefinitely, with matter descriptions sufficient to assess substantial relationship.

Rule 1.10: Imputation

When one lawyer in a firm has a conflict, all lawyers in the firm have that conflict (with limited exceptions).

Automation requirement: Firm-wide search, not individual attorney search.

Rule 1.18: Prospective Clients

Even if you do not take a matter, confidential information received during consultation creates conflict potential.

Automation requirement: Track prospective client consultations that did not convert, with enough detail to identify future conflicts.

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What to Index for Conflict Searches

Required Fields

  • Entity names (including variations, DBAs, subsidiaries)
  • Individual names (with role: client contact, opposing party, witness)
  • Matter type and subject matter
  • Adverse parties
  • Key dates (engagement start, end, last activity)
  • Responsible attorney
  • Practice area

Recommended Fields

  • Corporate family relationships (parent company, subsidiaries)
  • Key executives and board members
  • Related entities mentioned in matter
  • Opposing counsel
  • Expert witnesses

Critical: Name Variations

"Smith Corp" might also be:

  • Smith Corporation
  • Smith Corp.
  • The Smith Corporation
  • Smith Industries (if renamed)
  • Johnson Holdings (if acquired)

Your automation must handle fuzzy matching and maintain an alias table.

The Automated Conflict Check Workflow

Step 1: New Matter Intake

When a potential matter enters the system:

  1. Collect all relevant entity and individual names
  2. Identify the proposed role (representing party, opposing party)
  3. Note the matter type and subject area

Step 2: Automated Search

System runs searches against:

  • Current client database
  • Former client database
  • Prospective client database (unconverted consultations)
  • Adverse party records
  • Corporate family tree

Search uses:

  • Exact match
  • Fuzzy match (Soundex, Levenshtein distance)
  • Alias/variation match
  • Corporate relationship match

Step 3: Results Classification

Hits are classified:

  • Clear conflict: Cannot proceed without consent
  • Potential conflict: Needs attorney review
  • Related but not conflicting: Information only
  • No hits: Clear to proceed

Step 4: Attorney Review

Automated systems flag; attorneys decide. The system presents:

  • The matching records
  • The relationship (current, former, prospective)
  • The matter details that triggered the match
  • Recommended action

Step 5: Resolution Documentation

Whether cleared or conflicted, document:

  • Who ran the check
  • When it was run
  • What was searched
  • What was found
  • The decision and reasoning
  • Who approved

This documentation is your malpractice defense.

State Bar Variations

California

California Rules 1.7 and 1.9 mirror ABA rules but use different language. Key difference: California requires "informed written consent" with specific disclosure requirements.

New York

NYRPC 1.7-1.10 closely follow ABA Model Rules. NY has specific guidance on advance conflict waivers in commercial matters.

Texas

Texas Disciplinary Rules 1.06-1.09 cover conflicts. Unique provision: Texas allows certain conflict waivers in advance more liberally than some states.

Florida

Florida Rules 4-1.7 through 4-1.10. Florida has strict rules on business transactions with clients that intersect with conflict analysis.

Recommendation: Configure your automation for the strictest applicable standard if operating in multiple jurisdictions.

Common Automation Failures

Failure 1: Incomplete Data

If only 70% of matters are in the system, you have a 30% blind spot. Complete data is prerequisite to automation.

Fix: Mandatory matter opening process through the conflict system. No exceptions.

Failure 2: Poor Search Matching

"Robert Smith" does not match "Bob Smith" or "R. Smith" in basic search.

Fix: Fuzzy matching, nickname databases, search normalization.

Failure 3: No Adverse Party Tracking

You know your clients. Do you know who you were adverse to?

Fix: Require adverse party entry for all litigation and transactional matters.

Failure 4: Corporate Family Blindness

You represent SubCo. Parent Corp is adverse in another matter. Basic search misses this.

Fix: Maintain corporate family trees. Commercial databases (D&B, Capital IQ) can help.

Failure 5: Over-Automation

System says "no conflict" and everyone stops thinking.

Fix: Attorney review is non-delegable. Automation assists; humans decide.

Implementation Timeline

Month 1-2: Data audit and cleanup

  • Inventory all client data sources
  • Identify gaps in adverse party tracking
  • Build corporate relationship data

Month 3: Search configuration

  • Implement fuzzy matching rules
  • Build alias/variation tables
  • Test against known conflicts

Month 4: Workflow integration

  • Connect to intake process
  • Build review interface
  • Train attorneys on new workflow

Month 5-6: Parallel operation

  • Run automated and manual checks in parallel
  • Compare results
  • Refine matching rules

Month 7+: Full deployment

  • Automated checks with attorney review
  • Continuous data maintenance
  • Periodic audit of search effectiveness

Measuring Success

  • False negative rate: How many actual conflicts did the system miss? (Target: 0%)
  • False positive rate: How many non-conflicts did the system flag? (Lower is better, but err toward over-flagging)
  • Check completion time: Minutes, not hours
  • Documentation completeness: 100% of decisions documented

The Bottom Line

Conflict check automation is not about removing attorneys from the process. It is about ensuring no conflict is ever missed due to human error in searching records.

The stakes are too high for manual processes. But automation requires complete data, intelligent matching, and human judgment on results.

Build the system right, and you protect your firm while accelerating intake.


Further reading: Take our free Digitalization Check to find out how digital your firm really is. Read our comprehensive Digital Law Firm 2026 Guide or the Law Firm Software Comparison.

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