Legal Research & Case Law in Law Firms

19 documented Legal Research & Case Law implementations in Law Firms. Results are as reported, not independently verified.

This evidence set isolates Legal Research & Case Law deployments within Law Firms. The records below identify the implementing organization, technology and vendor when reported, source-reported results, cited source, and missing evidence explicitly.

Last updated: Jul 28, 2026
Maintained by: Peter KorpakLead Editor
Methodology: How evidence is checked

Case Studies

Vendors

Documented Legal Research & Case Law implementations in Law Firms

Cuatrecasas

Cuatrecasas drives 80% daily lawyer adoption of Harvey across 26 offices

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 80%+ Daily Lawyer Adoption
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Harvey AI

Cited source: www.harvey.aiSource link checked Jul 28, 2026

Thomas & Thomas LLC

Thomas & Thomas manages 10 more clients a month with CoCounsel GenAI

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 10 more clients per month Additional Clients Managed
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: CoCounsel (Thomson Reuters)

Cited source: legal.thomsonreuters.comSource published Dec 18, 2025Source link checked Jul 28, 2026

Templars

Templars cuts arbitration research from 2–3 days to 15–30 minutes with Jus AI

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: From 2–3 days to 15–30 minutes Research Time
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Jus Mundi

Cited source: dailyjus.comSource link checked Jul 28, 2026

Gunderson Dettmer

Gunderson Dettmer Hits 80% Firmwide Attorney Adoption of AI Research Tool Within Months

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 80% of lawyers (incl. 80% of partners) Attorney Adoption Rate
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Perplexity

Cited source: www.perplexity.aiSource link checked Jul 28, 2026

Levidow, Levidow & Oberman

Law Firm Sanctioned $5,000 After ChatGPT Fabricates Six Court Cases in Legal Brief

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: $5,000 penalty, imposed jointly and severally on two attorneys and their firm Sanctions Imposed
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Not available in record

Cited source: github.comSource link checked Jul 28, 2026

QNC GmbH

QNC GmbH cuts legal research time 40% with IBM Watson-powered question matching

Law FirmsLegal Research & Case LawSemantic Search & Retrieval

Reported result:: 40% reduction Legal Research Time
Deployment timeframe:: Not reported by source
Technology:: Semantic Search & Retrieval
Vendor:: IBM

Cited source: www.ibm.comSource published Oct 1, 2019Source link checked Jul 28, 2026

Duan & Duan

Duan & Duan Cuts Arbitrator Research Time 80% with Jus AI

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 80% reduction (1-2 weeks to 1-2 days) Arbitrator Research Time
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Jus Mundi

Cited source: dailyjus.comSource published Dec 16, 2025Source link checked Jul 28, 2026

Dunning Vallejo & MacDonald LLP

Boutique Firm Dunning Vallejo & MacDonald Cuts Arbitration Research Time 50-70% with Jus AI

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 50-70% less time (partner's estimate: many to most cases) Legal Research Time
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Jus Mundi

Cited source: dailyjus.comSource published Jan 28, 2026Source link checked Jul 28, 2026

Elliot Law

Elliot Law reduces associate research time 73% with AI-powered RAG knowledge retrieval

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 73% (12.4h to 3.3h/week) Associate Research Time Reduction
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Not available in record

Cited source: eeko.systemsSource link checked Jul 28, 2026

Hawaii Disability Legal Services

Hawaii Disability Legal Services cuts research time significantly with CoCounsel AI-Assisted Research

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: Not reported by source
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: CoCounsel (Thomson Reuters)

Cited source: legal.thomsonreuters.comSource link checked Jul 28, 2026

DLA Piper Norway

DLA Piper Norway adopts Juridex AI for legal research and drafting after successful pilot

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: Not reported by source
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Juridex

Cited source: juridex.noSource link checked Jul 28, 2026

Irwin Mitchell

Irwin Mitchell selects Lexis+ AI to support legal research and drafting

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: Not reported by source
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: LexisNexis

Cited source: www.legalsupportnetwork.co.ukSource link checked Jul 28, 2026

White & Case

White & Case announces Legora rollout across 43 offices in 29 countries

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 43 offices across 29 countries Offices in Announced Rollout
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Legora

Cited source: itbrief.asiaSource link checked Jul 28, 2026

Freshfields

Freshfields deploys Google Cloud AI across 5,700 staff to accelerate legal research, document review and due diligence

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 5,700 employees Staff Covered by AI Rollout
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Not available in record

Cited source: www.computerweekly.comSource link checked Jul 28, 2026

Fidal

Fidal reduces legal research time 30% with Azure OpenAI-powered assistant

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 30% reduction Legal Research Time
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Microsoft

Cited source: www.microsoft.comSource link checked Jul 28, 2026

Valiant Law

Valiant Law attorney takes on cases outside his specialties using Westlaw with CoCounsel AI-Assisted Research

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: Not reported by source
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: CoCounsel (Thomson Reuters)

Cited source: legal.thomsonreuters.comSource link checked Jul 28, 2026

Legal Aid Society of San Bernardino

Legal Aid Society of San Bernardino doubles hotline capacity with CoCounsel AI

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 2x increase (per-call time cut from 30 to 15 minutes) Urgent Hotline Calls Handled
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: CoCounsel (Thomson Reuters)

Cited source: legal.thomsonreuters.comSource link checked Jul 28, 2026

Clayton Utz

Clayton Utz adopts Lexis+ AI for legal research; Holding Redlich reports one research task cut from 4.5 hours to 30 minutes

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 4.5 hours to 30 minutes Holding Redlich: One Research Task
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: LexisNexis

Cited source: idm.net.auSource link checked Jul 28, 2026

Zinser Legal

Zinser Legal cuts research and argument development from days to hours with Vincent AI

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: Hours instead of days Research & Analysis Turnaround
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: vLex

Cited source: vlex.comSource link checked Jul 28, 2026

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