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. 085
10 min
The Legal AI Procurement Decision-Maker Shift Report 2026: Who Is Actually Authorizing AI Tool Purchases at Law Firms and Legal Departments — and How That Has Changed in 18 Months

Eighteen months ago, a legal AI vendor could close a meaningful percentage of deals by pitching a practice group partner or a forward-leaning associate general counsel and letting enthusiasm do the rest. That path to purchase has largely closed. Across firm sizes and legal department...

August 10, 2026
No. 084
10 min
The Legal AI Fee Arrangement Disruption Report 2026: How AI-Assisted Matter Delivery Is Actually Changing the Mix of Hourly, Fixed-Fee, and Contingency Work — and Who Is Capturing the Margin Difference

Eighteen months into what most AmLaw 200 managing partners publicly characterized as "transformative AI deployment," the actual shift in fee arrangement distribution is more fragmented, more firm-specific, and more contested than either the technology vendors or the trade press have acknowledged. Based on interviews conducted...

August 06, 2026
No. 083
10 min
The Legal AI Vendor Audit Rights Report 2026: What Law Firms and Legal Departments Are — and Are Not — Contractually Entitled to Examine in Their AI Vendor Relationships — and How Often They're Exercising That Right

Legal departments are deploying AI at an accelerating pace — Thomson Reuters, Relativity, Harvey, Clio, Luminance, Ironclad, Kira Systems (now part of Litera), and dozens of smaller platforms are embedded in workflows that touch privileged communications, M&A due diligence, regulatory filings, and employment matters. Yet...

August 03, 2026
No. 082
10 min
The Legal AI EU AI Act First Enforcement Wave Report 2026: How Law Firms and Corporate Legal Departments Operating in the EU Are Actually Classifying Their AI Tools Under the Act — and How Many Have It Wrong

Six months into meaningful EU AI Act enforcement posture — following the February 2025 prohibited practices prohibition date and the August 2025 GPAI model obligations deadline — the legal sector is demonstrating a classification gap that regulators are beginning to notice. Based on a synthesis...

July 31, 2026
No. 081
10 min
The Legal AI Hallucination Frequency Benchmarking Report 2026: How Often Major Legaltech Platforms Generate Materially Inaccurate Legal Citations, Clause Summaries, and Regulatory References — and How Firms Are Measuring It

Research Briefing | The Legal Stack | AI Tools / Benchmarking

July 28, 2026
No. 080
10 min
The Legal AI Continuing Legal Education Compliance Report 2026: How State Bars Are — and Are Not — Requiring AI Competency Training, and Whether What's Being Offered Actually Covers What Lawyers Need

As of mid-2026, the U.S. legal profession finds itself in a familiar posture: regulation trailing technology by a margin wide enough to drive a hallucinating large language model through. Fewer than a dozen states have formally amended their competency frameworks to explicitly incorporate AI literacy...

July 25, 2026
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