Practical Law

Practical Law

Thomson Reuters
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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.

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.

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

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

Audience

Attorneys, law firms, in-house legal teams, businesses and self-represented users conducting U.S. legal research and drafting

Audience

Law firms looking for an online legal know how service to streamline their daily tasks and accelerate into new practice areas

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

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

Pricing

$150 per month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

ArkLegal AI
Founded: 2025
United States
arklegal.ai/

Company Information

Thomson Reuters
Founded: 2008
Canada
legal.thomsonreuters.com/en/products/practical-law

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Categories

AI Legal Supported

ArkLegal 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.

Legal Research Supported

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.

Categories

Integrations

Microsoft Word Supported
Clio Supported
Contract Express Not Supported
Microsoft OneDrive Supported

Integrations

Microsoft Word Supported
Clio Not Supported
Contract Express Supported
Microsoft OneDrive Not Supported
Claim ArkLegal AI and update features and information
Claim ArkLegal AI and update features and information
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Claim Practical Law and update features and information