The Legal Stack
Independent LegalTech Analysis
Research Briefings

Research briefings

Original, data-driven reports on how the legal industry is adopting — and governing — AI. Reader-funded and conflict-free.

No. 064
10 min
The Legal AI Bar Compliance Gap Report 2026: How State Bar AI Guidance Has Evolved in the First Half of 2026 — and How Far Actual Firm Policy Lags Behind

Thirty-one state bars have now issued some form of AI-related ethics guidance, up from nineteen at the close of 2024. Eight of those thirty-one bars have issued formal ethics opinions carrying binding or near-binding precedential weight. The remainder have produced informal guidance, FAQs, or standing...

June 11, 2026
No. 063
10 min
The Legal AI Vendor Transparency Report 2026: What Legaltech Platforms Are Actually Disclosing About Model Architecture, Training Data, Update Cadence, and Accuracy Limitations — and What Buyers Can't Find Out

Legal AI procurement has matured considerably since 2023, but the transparency infrastructure supporting it has not kept pace. A systematic review of publicly available documentation, terms of service, and marketing materials for the 15 most widely deployed legal AI platforms as of Q2 2026 —...

June 10, 2026
No. 062
10 min
The Legal AI Talent Attrition Report 2026: Are Law Firms Losing Their Best Technologists to Legaltech Vendors — and What Is It Actually Costing Them

Prepared by The Legal Stack Research Team | Market Intelligence Briefing | Q2 2026

June 09, 2026
No. 061
10 min
The Legal AI Return on Investment Reality Check 2026: What Law Firms and Legal Departments Are Actually Measuring — and How It Compares to What They Projected at Deployment

The Legal Stack Research Briefing | Legal Economics Series

June 08, 2026
No. 060
10 min
The Legal AI Workflow Integration Report 2026: How Law Firms and Legal Departments Are — and Are Not — Embedding AI Into Practice Management, Matter Tracking, and Billing Systems

The dominant narrative around legal AI in 2026 is one of adoption — headline figures about firms deploying Harvey, CoCounsel, or Spellbook proliferate across industry conferences and vendor marketing. The operational reality, as captured in our survey of 312 law firm legal operations professionals and...

June 07, 2026
No. 059
10 min
The Legal AI Vendor Concentration Risk Report 2026: How Dependent Are Law Firms and Legal Departments on a Single AI Provider — and What Are the Contingency Plans

A Legal Stack Research Briefing | AI Governance & Legal Operations | June 2026

June 06, 2026
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