Practical LawThomson Reuters
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Related Products
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About
ArkLegal AI is a cloud-based U.S. legal research, document analysis and drafting platform for attorneys, law firms, legal teams, businesses and self-represented users. It supports jurisdiction-aware research across all 50 states and federal courts, citation checks and source links, document review, legal drafting and matter workspaces. Microsoft Word, OneDrive and Clio integrations are included in the Ark plan. Users can research questions, analyze uploaded documents and develop drafts in a browser. Free research and document tools are available alongside paid subscriptions. Founded on December 6, 2025 by practicing attorney Philippe Revah, ArkLegal AI is operated by ARK LEGAL AI LLC in Hallandale Beach, Florida. ArkLegal AI is software, not a law firm. Users should independently review sources, current treatment, citations and drafts before relying on results.
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About
Knowledge of 300+ attorneys at your fingertips. Navigate new or unfamiliar areas of law with Practical Law so you can get the answer quickly and apply it with confidence. Discover time-saving resources for today’s legal professionals. Streamline your daily tasks. Get up to speed fast in new practice areas. Keep up with the ever-evolving legal industry. Save hours of research using current, clear how-to guidance on the law. Download up-to-date legal document templates and edit them in Microsoft® Word. Simplify processes with easy-to-use checklists, flowcharts, and timelines. Summaries, templates, articles, and explanations of specific legal topics all in one place. Stop searching and spend more time growing your practice. Improve accuracy and speed. Automate legal document drafts with Contract Express. Make it easy for clients and colleagues to understand work phases and core tasks. Empower your team with just the right features and all the expertise from Thomson Reuters.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Attorneys, law firms, in-house legal teams, businesses and self-represented users conducting U.S. legal research and drafting
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Audience
Law firms looking for an online legal know how service to streamline their daily tasks and accelerate into new practice areas
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$39.99/user/month
The Ark plan: $89 every 30 days with $89 of usage credit included each period. Covers all 50 states and federal courts, AI legal research, case agents, matter workspaces with 25 GB storage, citation verification, DOCX export, and the Clio, Microsoft Word and OneDrive integrations. Law Database + AI Doc Synthesizer: $39.99 per user per month for full case-law reading plus OCR, extraction and PDF tools. Free account with 2 free queries. No contract; cancel any time.
Free Version
Supported
Free Trial
Not Supported
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Pricing
$150 per month
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Not Supported
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Company InformationArkLegal AI
Founded: 2025
United States
arklegal.ai/
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Company InformationThomson Reuters
Founded: 2008
Canada
legal.thomsonreuters.com/en/products/practical-law
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CategoriesArkLegal AI combines multiple language models with citation-focused retrieval for U.S. legal work: research answers, case agents, matter workspaces with document uploads, drafting with DOCX export, and integrations with Clio, Microsoft Word and OneDrive. The running cost of every chat and matter is shown as you go. ArkLegal AI searches case law, statutes and regulations across all 50 states and federal courts, returning answers with source links and supporting passages. Its citation verification checks that each cited authority exists, is accurately cited and has not been flagged as overruled or superseded, with the citing court's passage shown behind each treatment flag. |
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Integrations
Microsoft Word
Supported
Clio
Supported
Contract Express
Not Supported
Microsoft OneDrive
Supported
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Integrations
Microsoft Word
Supported
Clio
Not Supported
Contract Express
Supported
Microsoft OneDrive
Not Supported
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