Skip to content
HAQQ
Výzkum

Legal AI v číslech

Údaje o trhu Legal AI pro rok 2026: velikost trhu podle analytiků, adopce mezi advokáty, financování, míra halucinací, regulace a oblast MENA. Každé číslo odkazuje na svůj zdroj.

Zpět do Labs
$1.4B to $5.47B
Market size, by analyst
79%
Legal professionals using AI
$1.1B
Top rounds raised in 2026
17% to 34%
Legal tools' hallucination rate
2,225
Court cases with AI fabrications

Key findings

  1. Nobody agrees on the market's size. Four analysts put legal AI at $1.4B to $5.47B in 2024 and 2025, a gap of almost four times, because each draws the market's edge differently[1][4]. Gartner expects legal tech budgets to double by 2028[5].
  2. Use is near universal, specialist use is not: 79% of legal professionals use AI, but only 40% use a legal-specific tool, down from 58% a year earlier[7].
  3. Trust lags use. Accuracy is US lawyers' top AI concern (74.7%)[12], and 48% of law firm professionals work with no formal generative AI policy[10].
  4. The money is concentrated. Harvey ($15.5B) and Legora ($8.8B) raised $1.1B between them in 2026 alone[13][14], and practice management is buying research: Clio paid $1B for vLex[15].
  5. Hallucination is measured, and it reaches court. Leading legal research tools hallucinated on 17% to 34% of benchmark queries[19]; 2,225 court decisions now record AI-fabricated content[21].
  6. The Gulf is writing its own rules and building its own courts' AI: the DIFC Courts and Qatar's QICDRC require parties to verify AI output[26][27], and Abu Dhabi's Judicial Department is rolling out an AI judicial platform[28]. Yet the MENA jurisdictions we measured have 77 indexed legal sources between them, against 428 for the United States alone.

01 · Market size

How big is the legal AI market?

Four published estimates, four different answers: $1.4B to $5.47B for 2024 and 2025, growing 13.1% to 28.3% a year. They do not measure the same thing: some count legal AI software only, others any AI in legal technology. We show all four and pick none.

Legal AI market size estimates by publisher
PublisherWhat it measuresBaseForecastGrowth a year
Grand View Research[1]Legal AI$1.4B (2024)$3.9B (2030)17.3%
Global Market Insights[2]Legal AI$1.9B (2024)$6.5B (2034)13.1%
MarketsandMarkets[3]Legal AI software$3.11B (2025)$10.82B (2030)28.3%
Meticulous Research[4]AI in legal technology$5.47B (2025)$42.18B (2036)20.2%

Gartner does not size the market but expects legal tech budgets to double by 2028, and by 2029 about half of contract reviews to go to self-service systems that send only one in ten to a lawyer[5].

Sources: each publisher's own report page or release, read on 2026-10-28. Figures in US dollars, as published.

02 · Adoption

How many lawyers use AI?

Between 26% and 92%, depending on who is asked and what counts as use. Daily use of any AI tool is close to universal among the lawyers Wolters Kluwer surveyed; use of tools built for legal work is far lower, and Clio found it fell between 2024 and 2025 while general tools held.

  1. Lawyers using at least one AI tool daily[6]92%

    810 lawyers, US, China and 9 European countries, 2026

  2. Legal professionals using AI in some form[7]79%

    1,702 legal professionals, 2025

  3. Legal professionals using legal-specific AI[7]40%

    1,702 legal professionals, 2025 (58% in 2024)

  4. Professionals whose organisation uses generative AI[8]40%

    1,500+ respondents, 27 countries, legal, tax, risk and government, 2026 (22% in 2025)

  5. US law offices using AI tools[12]30.2%

    512 private-practice lawyers, 2024 (17.7% of solo firms, 47.8% of 500+ lawyer firms)

  6. Legal professionals using generative AI[10]26%

    ~1,800 respondents, 2025 (14% in 2024)

  7. Professionals whose organisation uses agentic AI[8]15%

    1,500+ respondents, 2026 (53% planning or considering)

Sources: the surveys named on each line, with their sample. Percentages of respondents.

03 · The trust gap

Use is ahead of trust and governance

Lawyers adopted AI before their firms wrote rules for it, and before their clients were told. Accuracy is the first worry, and the profession increasingly sees AI as a threat to who may practise law.

  1. US lawyers who name accuracy as their top AI concern[12]74.7%

    512 lawyers, 2024

  2. Law firm clients who do not know whether their firm uses generative AI[11]71%

    2025

  3. Lawyers who see AI as a major threat of unauthorised practice of law[9]50%

    2026 (36% in 2025)

  4. Law firm professionals with no formal generative AI policy[10]48%

    2025

Sources: the surveys named on each line. Percentages of respondents.

04 · The money

Who is funding legal AI, and at what price

The largest rounds of 2026 went to two companies, Harvey and Legora, for $1.1B between them. Consolidation runs the other way too: practice management buys research (Clio and vLex), and research incumbents buy AI (Thomson Reuters and Casetext).

Legal AI funding rounds and acquisitions
DateCompanyAmountValuationDetail
Legora[14]$550M$8.8BSeries E led by Atreides Management; up from $5.55B in March 2026
Harvey[13]$550M$15.5BCo-led by Diffusion and Lightspeed
Clio[15]$500M$5BSeries G led by NEA, alongside closing its vLex acquisition
Clio acquires vLex[15]$1B-Practice management buys a legal research and AI company
EvenUp[17]$150M$2BSeries E led by Bessemer; valuation stated as more than $2B
Filevine[16]$400M-All-equity round co-led by Insight, Accel and Halo Fund; no valuation disclosed
Thomson Reuters acquires Casetext[18]$650M-Cash deal that brought CoCounsel to Westlaw

Sources: the company's own announcement where one exists, otherwise the outlet it gave the round to. Valuations are post-money as stated; where none was disclosed, none is shown.

05 · Hallucination risk

How often legal AI makes things up

Purpose-built legal research tools hallucinate less than general chatbots, but not rarely: more than one benchmark answer in six. And it reaches court: 2,225 decisions record AI-fabricated content, 879 of them filed by a lawyer.

Hallucinated answers, share of benchmark queries (more than)

  1. Westlaw AI-Assisted Research34
  2. Lexis+ AI17
  3. Ask Practical Law AI17

General-purpose chatbots, same team's earlier study: 58% to 82%.

2,225
Court decisions with AI fabrications
879
Of them, filed by a lawyer

Sources: Stanford RegLab and HAI, 2024[19][20]; Damien Charlotin's AI Hallucination Cases database, updated 2026-10-27[21]. This is the risk HAQQ's Legal Benchmarks are built to measure.

06 · The rules

What regulators and courts have said

No jurisdiction bans lawyers from using AI. The rules converge on the same duties: disclose, verify every citation, protect client data, stay competent. The EU treats AI that helps judges apply the law as high-risk, and Gulf courts are among the first to write AI into their own procedure.

  1. · Dubai (DIFC Courts)

    Practical Guidance Note No. 2 of 2023: parties disclose AI use, verify every output and keep client data confidential.[26]

  2. · United States (ABA)

    Formal Opinion 512, the first ABA ethics guidance on generative AI: competence, confidentiality, client communication and fees all apply.[24]

  3. · European Union

    The AI Act enters into force. AI that helps a judicial authority research or apply the law is listed as high-risk in Annex III, point 8(a).[22][23]

  4. · European Union

    AI Act prohibitions and the AI literacy duty apply.[22]

  5. · European Union

    Obligations for general-purpose AI models apply.[22]

  6. · England and Wales (Law Society)

    "Generative AI: the essentials" updated, now citing Ayinde and Al-Haroun, the High Court rulings on fictitious citations.[25]

  7. · Qatar (QICDRC)

    Practice Direction No. 1 of 2026: verify every citation, no AI-fabricated evidence, sanctions up to contempt.[27]

  8. · Abu Dhabi (Judicial Department)

    First phase of an AI judicial platform scheduled from September 2026, on an 18-month rollout, with human oversight of its outputs.[28]

  9. · Abu Dhabi (ADGM Courts)

    AI services for document completion, claim review and drafting support planned by year-end.[29]

Sources: each regulator's, court's or bar's own text, except where noted in the list.

07 · MENA landscape

Who builds legal AI in MENA

33 of the 191 legal tech vendors we track are headquartered in an Arab market, and 18 of those sit in the Gulf. 10 of the 19 markets on the map have no local vendor in our atlas.

Vendors headquartered012-34-56+

Country: vendors headquartered · Legal Data Hunter sources

  • UAE9 · 11
  • Saudi Arabia8 · 5
  • Egypt5 · 4
  • Lebanon4 · 6
  • Algeria2 · 9
  • Morocco2 · 8
  • Jordan1 · 7
  • Qatar1 · 5
  • Tunisia1 · 4
  • Bahrain0 · 5
  • Iraq0 · 4
  • Kuwait0 · 4
  • Libya0 · 6
  • Mauritania0 · 5
  • Oman0 · 9
  • Palestine0 · 5
  • Sudan0 · 5
  • Syria0 · 5
  • Yemen0 · 4

Vendors by home region, worldwide

  1. Europe52
  2. North America48
  3. Middle East29
  4. Asia24
  5. Africa15
  6. Latin America11
  7. Oceania7
  8. Global5

Source: HAQQ competitor atlas, 2026-10-27. A vendor counts once, in its home market. Of 191 rows, 121 were confirmed on the vendor's own site, 62 come from a third party and 8 could not be confirmed. Second figure in the list: Legal Data Hunter sources for that country, 2026-10-27.

08 · Machine-readable law

How much law an AI can actually read

Across the 12 MENA jurisdictions in our Legal Guides, Legal Data Hunter indexes 77 official sources in total. The United States alone has 428. A legal AI is only as good as the law it can retrieve, and in MENA the retrievable share is thin.

MENA: indexed sources per jurisdiction

  1. United Arab Emirates11
  2. Oman9
  3. Algeria9
  4. Morocco8
  5. Jordan7
  6. Lebanon6
  7. Bahrain5
  8. Saudi Arabia5
  9. Qatar5
  10. Tunisia4
  11. Egypt4
  12. Iraq4

For reference: the large systems

  1. United States428
  2. International and treaty law208
  3. United Kingdom79
  4. European Union74
  5. France52

Documents indexed: United States 22,281,720 · International and treaty law 2,535,957 · United Kingdom 1,104,105 · European Union 500,761 · France 4,177,611.

Source: Legal Data Hunter coverage, 2026-10-27: case-law, doctrine and legislation sources per jurisdiction. Each country links to our hand-checked directory of where its law is published.

09 · What legal AI runs on: skills

How skills are changing legal AI

Skills turn a general model into a legal one: a packaged instruction set for one task, from a chronology to a GDPR audit. We track 422; 357 of them are free, and they come from three places. Compliance and Contract lead the topics.

Where the skills are published

  1. lawve.ai192
  2. GitHub154
  3. Agensi76

Top 10 topics

  1. Compliance33
  2. Contract30
  3. Drafting27
  4. Audit26
  5. Risk25
  6. Privacy21
  7. GDPR20
  8. Litigation19
  9. Review19
  10. Employment18

Source: the HAQQ Labs Legal AI Skills directory, counted at build time. A skill can carry several topics.

10 · What legal AI runs on: clauses

What real contracts are made of

738 clauses across 44 categories, each lifted from a public SEC filing. Commercial Lease Agreement is the single largest source, and 393 of the 543 filers that name a state are incorporated in Delaware.

Top 10 source agreements

  1. Commercial Lease Agreement31
  2. Office Lease22
  3. Share Purchase Agreement19
  4. Termination Agreement18
  5. Employment Agreement17
  6. Consulting Agreement14
  7. Limited Liability Company Agreement14
  8. Master Services Agreement14
  9. Securities Purchase Agreement13
  10. License Agreement12
  1. 22002
  2. 2003: 0
  3. 2004: 0
  4. 2005: 1
  5. 2006: 0
  6. 2007: 0
  7. 2008: 0
  8. 2009: 0
  9. 2010: 1
  10. 2011: 0
  11. 2012: 0
  12. 2013: 1
  13. 2014: 0
  14. 2015: 0
  15. 2016: 90
  16. 2017: 125
  17. 2018: 123
  18. 2019: 92
  19. 1712020
  20. 2021: 92
  21. 2022: 0
  22. 12023
Clauses by filing year

Source: SEC EDGAR, via the Contract Clause Library. Filing year is read from the EDGAR accession number; 39 clauses without one are left out of the year chart.

11 · What legal AI runs on: documents

The documents legal work runs on

70 templates in 9 categories, with jurisdiction-specific guidance for 5 countries across 73 document pages.

  1. Business Contracts11
  2. Family & Personal9
  3. Employment & HR8
  4. Real Estate8
  5. Compliance & Privacy8
  6. Corporate Governance7
  7. Litigation & Disputes7
  8. Financial6
  9. Intellectual Property6

Source: the HAQQ Labs Document Library, counted at build time. This is the size of each shelf, not how often a document is generated.

In research

Three views need usage data we will only publish with a primary source behind every number, so they are not drawn yet: legal AI usage by country and by job, in the spirit of the Anthropic Economic Index; the clauses AI picks most often; and the documents generated most often.

Frequently asked questions

How big is the legal AI market?
Analysts disagree. Published estimates for 2024 and 2025 range from $1.4B (Grand View Research, legal AI, 2024) to $5.47B (Meticulous Research, AI in legal technology, 2025), because each firm draws the market's edge in a different place. Forecast growth ranges from 13.1% to 28.3% a year.
How many lawyers use AI?
It depends on the question asked. Wolters Kluwer's 2026 Future Ready Lawyer survey found 92% of 810 lawyers use at least one AI tool daily. Clio's 2025 Legal Trends Report found 79% of legal professionals use AI in some form but only 40% use legal-specific AI. The ABA's 2024 survey put AI tools in 30.2% of US law offices.
How often do legal AI tools hallucinate?
Stanford RegLab and HAI (2024) found leading legal research tools gave hallucinated answers to more than 17% to 34% of benchmark queries, against 58% to 82% for general chatbots. Damien Charlotin's database counted 2,225 court decisions involving AI-hallucinated content as of 2026-10-27, 879 of them involving a lawyer.
Who are the most valuable legal AI companies?
On their own announcements: Harvey raised $550M at a $15.5B valuation (September 2026), Legora $550M at $8.8B (October 2026) and Clio $500M at $5B (November 2025), the same month it closed its $1B acquisition of vLex.
Is legal AI regulated?
Partly. The EU AI Act lists AI that helps a judicial authority research and apply the law as high-risk (Annex III, point 8(a)). Lawyers' duties apply to AI use under ABA Formal Opinion 512 in the US and Law Society guidance in England and Wales. In the Gulf, the DIFC Courts (2023) and Qatar's QICDRC (2026) require parties to verify AI output put before the court.
Where does this data come from?
Every outside figure links to its primary source: the publisher's own report, press release, regulator or court, read on 2026-10-28. HAQQ's own figures (the MENA vendor atlas, Legal Data Hunter coverage, and the Labs skills, clause and document libraries) are counted from those datasets and dated. Nothing on the page is estimated, and HAQQ usage data is not published until it has a primary source.

Sources

Every outside figure on this page, read on its primary source on 2026-10-28.

  1. [1]Grand View Research, “Legal AI Market Size, Share & Trends Analysis Report”, 2025.
  2. [2]Global Market Insights, “Legal AI Market Size & Share 2025-2034”, 2025-01.
  3. [3]MarketsandMarkets, “Legal AI Software Market worth $10.82 billion by 2030”, 2025-02-27.
  4. [4]Meticulous Research, “AI in Legal Technology Market”, 2026.
  5. [5]Gartner, “Gartner Predicts Legal Tech Budgets to Double by 2028 as Legal AI Use Expands”, 2026-05-26.
  6. [6]Wolters Kluwer, “2026 Future Ready Lawyer Survey Report”, 2026-03-10.
  7. [7]Clio, “Legal Trends Report 2025”, 2025-10.
  8. [8]Thomson Reuters Institute, “2026 AI in Professional Services Report”, 2026-02-09.
  9. [9]Thomson Reuters Institute, “AI in Professional Services Report 2026: key findings”, 2026-02.
  10. [10]Thomson Reuters, “Generative AI adoption nearly doubles as professional services reach crossroads”, 2025-04-15.
  11. [11]Thomson Reuters Institute, “2025 Generative AI in Professional Services Report”, 2025-04.
  12. [12]American Bar Association, “2024 Artificial Intelligence TechReport”, 2025-03.
  13. [13]Harvey, “Harvey raises $550M at a $15.5B valuation”, 2026-09-09.
  14. [14]Legora, “Legora raises $550 million Series E at $8.8 billion valuation”, 2026-10-21.
  15. [15]LawSites, “Clio completes $1 billion vLex acquisition, announces $500 million Series G at $5 billion valuation”, 2025-11-10.
  16. [16]Insight Partners, “Filevine raises $400M with Insight, Accel and Halo Fund”, 2025-09-23.
  17. [17]Fortune, “EvenUp raises $150 million Series E at $2 billion valuation”, 2025-10-07.
  18. [18]Thomson Reuters, “Thomson Reuters completes acquisition of Casetext”, 2023-08-17.
  19. [19]Stanford HAI, “AI on Trial: Legal Models Hallucinate in 1 out of 6 (or More) Benchmarking Queries”, 2024-05-23.
  20. [20]Magesh, Surani, Dahl, Suzgun, Manning, Ho (arXiv), “Hallucination-Free? Assessing the Reliability of Leading AI Legal Research Tools”, 2024-05-30.
  21. [21]Damien Charlotin, “AI Hallucination Cases database”, 2026-10-27.
  22. [22]European Commission, “AI Act: regulatory framework for AI”, 2026.
  23. [23]EU AI Act, Annex III, “High-risk AI systems referred to in Article 6(2)”, 2024-07-12.
  24. [24]American Bar Association, “ABA issues first ethics guidance on a lawyer's use of AI tools (Formal Opinion 512)”, 2024-07-29.
  25. [25]The Law Society of England and Wales, “Generative AI: the essentials”, 2025-09.
  26. [26]DIFC Courts, “Practical Guidance Note No. 2 of 2023: use of large language models and generative AI in proceedings”, 2023-12-21.
  27. [27]Qatar International Court and Dispute Resolution Centre, “Practice Direction on the Use of Artificial Intelligence, No. 1 of 2026”, 2026-01-06.
  28. [28]Khaleej Times (WAM), “Abu Dhabi to launch first AI judicial platform in September 2026”, 2026-07-28.
  29. [29]Khaleej Times, “ADGM Courts to launch AI-powered services by year-end”, 2026-10-21.

Cite this page

HAQQ Labs, “Legal AI v číslech: the legal AI market, measured”, HAQQ Legal AI, updated 2026-10-28. https://academy.haqq.ai/cs/labs/legal-ai-market