Professional-grade AI legal assistant
CoCounsel: Most advanced legal assistant
Experience the power of generative AI, built on unparalleled depth and precision of Thomson Reuter’s trusted legacy of expertise – crafted to support today’s legal professionals.
Skip the heavy lifting
CoCounsel analyses large volumes of documents in minutes, reducing tedious tasks and freeing up time for high-value work.
Integrated experience
CoCounsel connects with Thomson Reuters products and industry leaders like Microsoft for seamless, efficient workflows.
Built to scale
CoCounsel scales with evolving legal needs, fueled by Thomson Reuters' 150+ years of expertise and commitment to driving AI innovation in the legal industry.
Local support
CoCounsel is supported by local legal AI experts dedicated to advancing the practice of local lawyers. Connect with the professionals behind the technology.
CoCounsel integrates with
What can CoCounsel do?
Key differences at-a-glance for faster insights
Streamline document review by highlighting key differences in a clear, tabular summary. Users can then swiftly grasp critical changes, draft client communications, prepare an issues table, or explore alternative language for addressing material changes.
Comprehension at a postgraduate level
Pose a question and scan through documents in minutes. CoCounsel delivers precise answers with source citations side-by-side for fast, efficient accuracy checks, enabling legal professionals to quickly uncover everything from crucial testimonies in extensive transcripts to important terms in complex contracts.
Transform hours of tedious work into minutes
Your AI Assistant will distil critical insights from complex contracts, extensive judgements and more into a quick, clear overview in minutes.
Change the way you build timelines
Cut down on time spent wading through irrelevant details and focus directly on what matters most. Select your files, highlight key areas of interest, and receive a refined, structured chronology ready for your review. With CoCounsel’s handwriting recognition, every crucial detail is captured seamlessly – saving you time without compromising precision.
Talk to an expert
See how CoCounsel eases heavy workloads and transforms your daily legal work to free up more time.
CoCounsel vs. Real Humans
At the AI Skill Challenge in Auckland, participants estimated the manual effort for legal tasks, then completed them using CoCounsel, revealing its impact on efficiency.
What do lawyers think?
We asked some key clients and industry leaders what they thought of CoCounsel. Here’s what they had to say.
Joel Kennedy
Head of Client & Strategic Projects
Lander & Rogers
"CoCounsel is giving us something that is safe and secure, yet really increasing our productivity."
Rachel Wong, Founder, Founder Docs Singapore
Ryan Murphy
Senior Associate
MinterEllison
Awards & recognition
Featured resources
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Generative AI estimated to save professionals 200 hours per year
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4 essentials to help you master work-life balance
Frequently asked questions
CoCounsel features an extensive suite of eight essential skills that legal professionals utilise daily. Thomson Reuters has harnessed generative AI to enhance these tasks, driving remarkable productivity and efficiency improvements. It analyses your documents to help identify key insights, convey complex ideas, and streamline vital everyday activities. To learn more, connect with a dedicated Thomson Reuters representative.
Yes, CoCounsel can analyse and process documents in multiple languages including but not limited to Arabic, Chinese (Simplified and Traditional), Japanese and Korean. This feature makes it a valuable tool for global legal practices, allowing legal professionals to access critical insights regardless of the language of documents they are working with.
Yes, in 2023 Thomson Reuters has announced its focus on further driving AI leadership by investing more than $100 million per year over the next few years on further integrating AI capabilities into our offerings. Included in this roadmap is the upcoming integration of CoCounsel with our flagship Westlaw and Practical Law content.
Through retrieval augmented generation (RAG), CoCounsel bases its answers on legal authorities, documents, and other verified datasets to minimise ‘hallucinations’ and similar errors. CoCounsel is intended to assist legal professionals, but it should not replace human expertise or due diligence in legal decision-making. Users are encouraged to verify any critical information and exercise professional judgement when utilising outputs.
Thomson Reuters maintains its reputation for providing reliable and trustworthy information through a variety of means, including a comprehensive information security management framework supported by a wide range of security policies, standards, and practices. Product security and compliance are paramount to Thomson Reuters offerings.
For product specific security requirements, connect with your dedicated Thomson Reuters representative or visit
https://www.thomsonreuters.com/en/trust-center.html for further assistance.
To understand how Thomson Reuters promote trustworthiness in our continuous design, development, and deployment of artificial intelligence (“AI”) and our use of data, visit https://www.thomsonreuters.com/en/artificial-intelligence/ai-principles.html.
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Experience it for yourself
Don’t get left behind – Stay ahead of the curve and transform your legal work for the future. Take advantage of the power of AI in your legal practice with CoCounsel today.
Have questions? Contact a representative