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Accounting, tax and business software · subsidiary of Clio · Spain

vLex

vlex.com ↗

Global legal research platform with a huge multi-jurisdiction case law library, now owned by Clio.

Defensible for now
Assessed 22 July 2026 · Evidence as of 22 July 2026
Real protection, with named pressure against it.
On the recordSince 22 July 2026 · Checkable from mid 2026 · Every call on the record Checkpoint: Vincent by Clio integration rollout and adoption results
The call

vLex sits on a real data and distribution base inside Clio, but Thomson Reuters, LexisNexis, and Harvey are all shipping AI tools aimed at the same lawyers right now.

vLex sells legal research software to law firms by combining 25 years of court documents from 110+ countries with access through Clio, a popular practice management platform used by 200,000 firms. The company is hard to replace because it has spent decades collecting legal documents from around the world and has a direct path to small and mid-size law firms through Clio, but Thomson Reuters (with its CoCounsel tool) and LexisNexis (with Lexis+AI and Protégé) have already released competing AI legal assistants that do similar work, and a startup called Harvey has raised $11 billion betting it can disrupt the entire category. The picture could change if Harvey or Thomson Reuters start aggressively selling their tools to the small and mid-market firms that currently rely on vLex through Clio.

Why
01
AI pressure: Harvey AI and Thomson Reuters CoCounsel. Harvey and CoCounsel already sell AI legal research and drafting tools that copy Vincent AI's job for BigLaw budgets. Could AI do the core job? Unlikely.
02
Bigger players: Thomson Reuters (Westlaw/CoCounsel) and LexisNexis (Lexis+AI/Protege). Both incumbents have shipped AI assistants with far bigger sales forces and are pushing into vLex's international and small firm turf. Could a giant copy it? Probably.
03
What protects it. 1 billion plus proprietary documents across 110 countries plus Fastcase's all 50 state bar deals, now wired into Clio's 200,000 firm base.
What would change this call
Harvey or CoCounsel launches a priced small/mid-firm SKU within 12-18 months. Would show incumbents invading vLex/Clio's small firm stronghold.
Harvey or CoCounsel announces integration with Smokeball, MyCase, or PracticePanther. Would show rivals building distribution to bypass Clio's channel lock-in.
Am Law 100 firm publicly drops vLex/Vincent AI for CoCounsel or Harvey at renewal. Would show direct customer loss in vLex's current BigLaw base.
Key numbers
  • Clio paid $1B for vLex (2025-11-10)
  • Vincent AI has 2.8M registered users (2025-11-10)
  • Headcount fell 36% YoY to 205 (2026-06-19)
Named risks
  • Core AI legal research workflow directly contested by better-funded rivals CoCounsel and Harvey. Severity: high
  • Post-acquisition product consolidation into Clio's platform could disrupt vLex operations or roles. Severity: medium
  • Public revenue and headcount data are sparse and inconsistent across third-party trackers. Severity: low
  • Legal precedent (Thomson Reuters v. ROSS Intelligence, 2025) signals litigation exposure around AI training on legal databases. Severity: medium
Rivals, as read in July 2026
RivalDirectionEvidence
Thomson Reuters (CoCounsel/Westlaw)contestingCoCounsel reached ~36% law firm adoption by September 2025 ILTA survey
LexisNexis (Lexis+AI/Protege)contestingCompetes directly for AI legal research subscriptions as of 2026 comparisons
Harvey AIgaining onValuation rose to $11B by March 2026 from $8B in December 2025, claims 100k+ lawyers
Legoragaining onWon Addleshaw Goddard away from CoCounsel during 2025
Questions people ask
Who owns vLex now?
Clio, a Canadian legal practice-management company, completed a $1 billion acquisition of vLex on November 10, 2025, making vLex a wholly owned subsidiary. The deal closed alongside a $500M Clio Series G raise at a $5B valuation.
Is vLex profitable?
No audited profit or revenue figures are public. Prior owner Oakley Capital said the 2023 Fastcase merger doubled vLex's revenues, but exact numbers were not disclosed as of the November 2025 Clio acquisition.
Could AI replace vLex's legal research business?
vLex's core case-law research workflow faces direct AI competition: Thomson Reuters' CoCounsel reached about 36% law firm adoption by September 2025, and Harvey AI hit an $11B valuation by March 2026. vLex counters with its own 1B+ document proprietary dataset.
Who is vLex's biggest competitor?
Thomson Reuters (Westlaw/CoCounsel) and LexisNexis (Lexis+AI) are the dominant incumbent rivals, while Harvey AI, valued at $11 billion in March 2026, is the fastest-growing AI-native challenger in legal research.
Did vLex lay off employees after the Clio acquisition?
Clio's CEO stated on November 10, 2025 that vLex's entire workforce would join Clio, calling the teams complementary and non-overlapping, with no significant layoffs anticipated at deal close.
What is Vincent AI and why does it matter for vLex?
Vincent AI is vLex's AI-powered legal research and workflow platform, launched in 2024, with vLex reporting 2.8 million registered users across 110+ countries as of November 2025. It is now being rebranded as 'Vincent by Clio.'
Timeline
  • 2026-03Harvey AI reported valued at $11 billion, up from $8B in December 2025
  • 2025-11-10Clio completes $1B vLex acquisition, closes $500M Series G at $5B valuation
  • 2025-09ILTA survey finds ~36% of law firms use Thomson Reuters CoCounsel Core
  • 2025-08CoCounsel Legal Deep Research agentic feature launched by Thomson Reuters
  • 2025-06-30Clio signs definitive agreement to acquire vLex for $1 billion
  • 2025-04-01Thomson Reuters shuts down standalone Casetext product
  • 2024vLex launches Vincent AI as full AI-powered legal workflow platform
  • 2023-08Thomson Reuters acquires Casetext for $650 million
  • 2023-04-04vLex merges with Fastcase to form vLex Group
  • 2022-09Oakley Capital becomes majority owner of vLex
Revision history
22 July 2026
First assessed. Defensible for now. The text above is fixed as of this date and is not edited afterwards.
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