Thomson Reuters Integrates New Model Context Protocol with Anthropic
Written by Emily J. Thompson, Senior Investment Analyst
Updated: May 12 2026
0mins
Thomson Reuters announced a new Model Context Protocol integration with Anthropic that connects Claude directly to CoCounsel Legal. "Legal professionals can now move seamlessly between general-purpose AI and citation-grounded legal work, from either working environment. As MCP integrations proliferate across the legal market, Thomson Reuters is bringing something distinct: fiduciary-grade AI, our standard for accuracy, accountability and trust," the company stated.
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Analyst Views on TRI
Wall Street analysts forecast TRI stock price to rise
12 Analyst Rating
9 Buy
3 Hold
0 Sell
Strong Buy
Current: 84.490
Low
160.00
Averages
192.65
High
258.00
Current: 84.490
Low
160.00
Averages
192.65
High
258.00
About TRI
Thomson Reuters Corporation is a content and technology company. The Legal Professionals segment serves law firms and governments with research and workflow products powered by technologies, including generative artificial intelligence (AI). The Corporates segment serves corporations ranging from small businesses to multinational organizations with a full suite of content-driven products, powered by technologies, including generative AI. The Tax & Accounting Professionals segment serves tax, audit and accounting firms with research and workflow products powered by technologies, including generative AI. The Reuters News segment supplies business, financial and global news and data to media organizations, professionals and news consumers through Reuters News Agency, Reuters.com, Reuters Events, Thomson Reuters products and to financial firms exclusively via LSEG products. The Global Print segment provides legal and tax information and commercial printing services.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Thomson Reuters Introduces Fiduciary-Grade AI Standard
- Fiduciary-Grade AI Standard: Thomson Reuters has introduced the Fiduciary-Grade AI standard, aimed at providing higher accuracy and verifiability for high-stakes professional fields such as legal, tax, and compliance, ensuring AI systems' reliability in the face of professional liability.
- Professional Accountability Assurance: This standard emphasizes that AI systems must be built on authoritative content and reviewed by professionals to ensure the transparency and traceability of their outputs, thereby enhancing trust among professionals in AI applications.
- High-Risk Environment Applications: As AI is increasingly utilized in high-risk environments like legal decision-making and financial disclosures, Thomson Reuters' standard ensures that AI not only generates answers but also allows professionals to verify and stand behind these results, improving operational efficiency.
- Combining Technology and Trust: CEO Steve Hasker stated that effective AI application requires a foundation of professional standards and accountability, which is essential for deeper AI integration in professional work, ultimately fostering trust and transparency within the industry.
See More
Thomson Reuters Introduces Fiduciary-Grade AI Standard
- Fiduciary-Grade AI Standard Launch: Thomson Reuters has introduced a Fiduciary-Grade AI standard aimed at providing higher accuracy and verifiability for high-stakes fields such as law and finance, ensuring professionals can rely on AI outputs in critical decision-making, thereby enhancing industry trust.
- Establishment of Four Principles: The standard emphasizes that AI must be grounded in authoritative content, ensure data privacy and security, be designed and continuously refined by professionals, and provide transparent reasoning processes to guarantee the reliability and traceability of outputs, meeting the demands of high-precision work.
- Significant Industry Impact: As AI becomes more integrated into legal, tax, and compliance sectors, the Fiduciary-Grade AI standard will serve as an indispensable tool for professionals, enabling them to make more informed decisions in complex tasks, thus improving overall work efficiency and accuracy.
- Enhanced Trust and Transparency: Thomson Reuters' Fiduciary-Grade AI standard not only provides essential support for professionals but also strengthens customer trust in AI systems through real-time human support and reviewable reasoning processes, ensuring accountability and transparency in high-risk environments.
See More
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- Products and Services Overview: Thomson Reuters combines specialized software and deep insights to provide legal, tax, accounting, compliance, government, and media professionals with the content and technology needed for informed decision-making, promoting justice, truth, and transparency in the industry.
- Media and Investor Contacts: The company ensures smooth communication with the outside world through media contact Zoe Zanettos and Investor Relations Head Gary E. Bisbee, further enhancing brand image and market trust.
See More
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- Practice-Oriented Development: Unlike traditional legal tech development models, this tool was co-developed with direct involvement from Sterne Kessler's patent litigators, ensuring its practicality and effectiveness in meeting real-world legal practice needs.
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See More
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- New Technology Integration: Thomson Reuters' MCP integration with Anthropic connects Claude directly to CoCounsel Legal, allowing legal professionals to seamlessly switch between general-purpose AI and citation-based legal work, thereby enhancing efficiency and meeting the high standards of accuracy and verifiability required in the legal industry.
- Elevating Industry Standards: CoCounsel Legal processes 1.9 billion Westlaw and Practical Law documents, ensuring that legal work is not only fast but also meets industry standards, thereby enhancing trust among legal professionals operating in high-stakes environments and accelerating the adoption of legal AI.
- Deepening Strategic Partnership: The collaboration with Anthropic signifies Thomson Reuters' commitment to delivering trusted AI in high-risk professional settings, with the integrated system capable of adapting mid-workflow and selecting appropriate tools, thus improving the quality and efficiency of legal work.
- Global User Base: Currently, one million professionals across 107 countries and territories utilize CoCounsel, with Thomson Reuters leveraging 175 years of authoritative content and support from over 2,600 experts to ensure AI outputs reflect the standards of real professional work, further solidifying its leadership position in the legal AI market.
See More
Thomson Reuters Introduces Fiduciary-Grade AI Standard
- Fiduciary-Grade AI Standard: Thomson Reuters has introduced the Fiduciary-Grade AI standard, aimed at providing higher accuracy and verifiability for high-stakes professional fields such as legal, tax, and compliance, ensuring AI systems' reliability in the face of professional liability.
- Professional Accountability Assurance: This standard emphasizes that AI systems must be built on authoritative content and reviewed by professionals to ensure the transparency and traceability of their outputs, thereby enhancing trust among professionals in AI applications.
- High-Risk Environment Applications: As AI is increasingly utilized in high-risk environments like legal decision-making and financial disclosures, Thomson Reuters' standard ensures that AI not only generates answers but also allows professionals to verify and stand behind these results, improving operational efficiency.
- Combining Technology and Trust: CEO Steve Hasker stated that effective AI application requires a foundation of professional standards and accountability, which is essential for deeper AI integration in professional work, ultimately fostering trust and transparency within the industry.
See More
Thomson Reuters Introduces Fiduciary-Grade AI Standard
- Fiduciary-Grade AI Standard Launch: Thomson Reuters has introduced a Fiduciary-Grade AI standard aimed at providing higher accuracy and verifiability for high-stakes fields such as law and finance, ensuring professionals can rely on AI outputs in critical decision-making, thereby enhancing industry trust.
- Establishment of Four Principles: The standard emphasizes that AI must be grounded in authoritative content, ensure data privacy and security, be designed and continuously refined by professionals, and provide transparent reasoning processes to guarantee the reliability and traceability of outputs, meeting the demands of high-precision work.
- Significant Industry Impact: As AI becomes more integrated into legal, tax, and compliance sectors, the Fiduciary-Grade AI standard will serve as an indispensable tool for professionals, enabling them to make more informed decisions in complex tasks, thus improving overall work efficiency and accuracy.
- Enhanced Trust and Transparency: Thomson Reuters' Fiduciary-Grade AI standard not only provides essential support for professionals but also strengthens customer trust in AI systems through real-time human support and reviewable reasoning processes, ensuring accountability and transparency in high-risk environments.
See More
Thomson Reuters to Present at CIBC Conference
- Conference Schedule: Steve Assie, General Manager of Global Large Law Firms, and Erin Brown, Head of Finance at Thomson Reuters, will present at the CIBC Technology & Innovation Conference on May 21, 2026, at 11:40 a.m. EDT, showcasing the company's forward-looking information in the legal and finance sectors.
- Live Webcast Link: A live webcast link will be available on Thomson Reuters' Investor Relations website 24 hours prior to the session, ensuring that investors and the public can participate in real-time, enhancing transparency and information accessibility.
- Products and Services Overview: Thomson Reuters combines specialized software and deep insights to provide legal, tax, accounting, compliance, government, and media professionals with the content and technology needed for informed decision-making, promoting justice, truth, and transparency in the industry.
- Media and Investor Contacts: The company ensures smooth communication with the outside world through media contact Zoe Zanettos and Investor Relations Head Gary E. Bisbee, further enhancing brand image and market trust.
See More
Sterne Kessler and Thomson Reuters Launch AI Tool for Patent Eligibility Analysis
- Co-Development of AI Tool: Sterne Kessler and Thomson Reuters have launched the Patent Claim Eligibility Analyzer, designed to assist patent litigators in quickly conducting Section 101 patent eligibility analysis, thereby increasing the likelihood of winning cases.
- Efficiency Enhancement: The tool can complete patent eligibility analysis in minutes, significantly reducing the traditional process that takes days, enabling patent owners and defendants to quickly access critical information for decision-making.
- Practice-Oriented Development: Unlike traditional legal tech development models, this tool was co-developed with direct involvement from Sterne Kessler's patent litigators, ensuring its practicality and effectiveness in meeting real-world legal practice needs.
- Significant Market Potential: This tool not only enhances the efficiency of legal services but also provides a new growth avenue for Sterne Kessler and Thomson Reuters in the legal tech market, showcasing a successful case of integrating legal technology with practice.
See More
Thomson Reuters Partners with Anthropic to Launch Legal AI Assistant
- Legal AI Integration: Thomson Reuters (TRI) is implementing a Model Context Protocol (MCP) that connects Anthropic's Claude with its legal AI assistant CoCounsel, enabling legal professionals to seamlessly toggle between general-purpose AI and citation-grounded legal work, thereby enhancing efficiency in legal research and document analysis.
- Enhanced Functionality: The integration of Claude into CoCounsel Legal software allows lawyers to describe cases in plain language, with CoCounsel Legal automatically conducting relevant inquiries, drafting citation-inclusive legal documents, and ensuring compliance and accuracy in fiduciary-grade work products, thus improving the quality of legal services.
- Market Positioning: David Wong, Chief Product Officer of Thomson Reuters, stated that CoCounsel Legal aims to be the central system for legal work, connecting the tools lawyers use and built to the high standards required by their work, showcasing the company's strategic positioning in the legal tech sector.
- Industry Impact: By partnering with Anthropic, Thomson Reuters not only enhances the competitiveness of its legal AI products but also potentially leads the trend of AI application in the legal industry, driving the digital transformation of legal services.
See More
Thomson Reuters Launches CoCounsel Legal AI Integration
- New Technology Integration: Thomson Reuters' MCP integration with Anthropic connects Claude directly to CoCounsel Legal, allowing legal professionals to seamlessly switch between general-purpose AI and citation-based legal work, thereby enhancing efficiency and meeting the high standards of accuracy and verifiability required in the legal industry.
- Elevating Industry Standards: CoCounsel Legal processes 1.9 billion Westlaw and Practical Law documents, ensuring that legal work is not only fast but also meets industry standards, thereby enhancing trust among legal professionals operating in high-stakes environments and accelerating the adoption of legal AI.
- Deepening Strategic Partnership: The collaboration with Anthropic signifies Thomson Reuters' commitment to delivering trusted AI in high-risk professional settings, with the integrated system capable of adapting mid-workflow and selecting appropriate tools, thus improving the quality and efficiency of legal work.
- Global User Base: Currently, one million professionals across 107 countries and territories utilize CoCounsel, with Thomson Reuters leveraging 175 years of authoritative content and support from over 2,600 experts to ensure AI outputs reflect the standards of real professional work, further solidifying its leadership position in the legal AI market.
See More
