May continues the momentum across CoCounsel Legal, with releases that bring more agentic capability, and further productivity, into a lawyer’s workflow. Together, these innovations demonstrate our commitment to agentic AI rooted in deep legal expertise, leveraging your data and workflows to elevate the way modern legal teams work.
Agentic AI, Grounded in Expertise
Earlier in April we announced the next generation of CoCounsel Legal which many customers are now using in Beta. Built on Anthropic Agent SDK, the next generation of CoCounsel Legal is a fully customizable agentic AI platform that allows law firms and legal departments to connect their own data, configure their own workflows, and build AI capabilities that reflect how their organization actually practices law, all grounded in Westlaw and Practical Law, with every citation traceable and every output built to withstand professional scrutiny.
We are excited to put the next generation of CoCounsel Legal in the hands of more customers as the year progresses!
Web Search
CoCounsel’s new Web Search feature brings agentic web search summaries and Q&A directly into the platform, helping users quickly find nonlegal background, client context, regulatory shifts, and industry trends without ever leaving their workflow. In the U.S., results from expert-vetted, Thomson Reuters-curated trusted sources are surfaced and prioritized first, so lawyers always know the weight of what they’re reading. For users in the UK, Australia, and Canada, every result includes direct source links for easy verification, keeping lawyers in control while eliminating the friction of tab-switching. Customers can move seamlessly from web research into drafting, litigation prep, due diligence, or transaction work — all in one place. Just type @web to get started.
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Patent Claim Eligibility Analyzer
Patent Claim Eligibility Analyzer is a first-of-its-kind customer co-development project with Sterne Kessler. The Patent Claim Eligibility Analyzer delivers structured, consistent results in approximately 3–4 minutes — replacing what previously required extensive, time-consuming manual prompting back and forth inside standard CoCounsel.
Read more here: Expertise Meets AI: Sterne Kessler and Thomson Reuters Set New Standard for Patent Law – Thomson Reuters Institute
Internal Investigation Workflow
The new CoCounsel Internal Investigations workflow is a guided, AI-powered experience that helps legal, compliance, and HR teams in the U.S. conduct investigations in a structured, consistent, and defensible manner. From an initial intake prompt, the workflow assesses the incident, analyzes supporting evidence such as emails, chat transcripts, and documents, identifies key facts, allegations, and potential policy violations, and generates a structured, editable preliminary investigation report. It accelerates time to insight, improves the consistency and defensibility of outputs, and reduces reliance on outside counsel for early-stage work.
Practical Law Deep Research in CoCounsel
Practical Law Deep Research is now available directly inside the CoCounsel web application for U.S. users. Lawyers can access the full Practical Law Deep Research capability — planning research steps, retrieving the most relevant guidance and templates, and producing a clear, supported research report — without leaving CoCounsel. Search & Summarize remains available on the Practical Law platform for users who prefer that experience.
Litigation Document Analyzer: Arguments and Counterarguments
Litigation Document Analyzer in Canada now uses generative AI to summarize the document, analyze the arguments presented, and generate plausible counterarguments. It also surfaces relevant case law to support those counterarguments, helping users anticipate opposing positions. With these new insights, users can make targeted improvements to their litigation documents and approach their matter feeling even more prepared.
Westlaw Deep Research in Supio
Joint subscribers of Supio and Westlaw Advantage in the US can now jumpstart legal research directly inside Supio. After asking a legal research question, attorneys receive a structured, citation-backed report grounded in Westlaw content and powered by agentic AI — carrying Thomson Reuters expertise directly into the workflow. Lawyers can go from case facts to relevant authority faster, validate positions earlier, and move forward with more confidence.
Capabilities Rooted in Your Own Knowledge and Workflows
Import Your Complex Playbook into CoCounsel for Microsoft Word
A firm’s playbook already exists, often spanning hundreds of pages developed over months of work. Now, U.S. customers no longer need to rebuild it from the ground up. Instead of recreating a playbook clause by clause through manual copy and paste, firms can import their existing playbook directly into CoCounsel for Microsoft Word.
By uploading their document, CoCounsel intelligently reads and structures the content—preserving preferred clauses, negotiation guidance, escalation pathways, scenario guidance, fallback clauses, and tabular content as-is. The result is the elimination of manual, error-prone work, allowing the firm’s institutional knowledge to be operational in minutes.
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Built for How You Work
DeepJudge Search Integration
Joint DeepJudge and CoCounsel Legal subscribers can now bring their firm’s full intelligence layer into the same workflow as CoCounsel Legal’s research, drafting, and analysis tools. Whether an attorney is on the CoCounsel website, in Westlaw, or in Practical Law, they can open DeepJudge’s native search inside the CoCounsel chat, locate the most relevant firm documents, and bring them straight into their workflow — while existing user permissions and ethical walls carry through unchanged. The result is less context switching, faster time to first draft, and higher-confidence outputs grounded in proven firm work product.
Concise Answers on Westlaw Advantage and Practical Law (UK)
Deep Research on Westlaw Advantage UK and Practical Law Premium UK will now have options for both concise and expanded responses. Concise answers give legal professionals more control over the depth of research they wish to conduct, opting for a shorter, more synthesized response when a quick answer is what’s needed. Expanded answers continue to deliver in-depth research reports for complex, multi-step questions. Users can choose the level of detail that fits the task and move forward with confidence, faster.
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Administrative Enhancements: Bulk Edit User Permissions and Side Navigation Redesign
System administrators can now select all users in the organization and apply permission changes in a single bulk edit action, instead of selecting users page by page. If a bulk update is not fully successful, the admin is notified of how many user updates failed. This reduces the manual effort required to manage permissions, helping admins roll out, adjust, or restrict access to CoCounsel capabilities more efficiently — especially in larger organizations. Alongside this, the CoCounsel Legal side navigation bar has been redesigned so core features remain front and center, while secondary options — including Region Settings, Admin, Support, and Plugins — are now organized under the account menu, making the most-used features even easier to find.
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Litify and Smokeball Document Connectors
Document connectors to Litify and Smokeball let joint customers bulk import matter files directly into CoCounsel Legal. With those documents available alongside trusted Westlaw and Practical Law guidance, lawyers can turn matter content into higher-quality work product faster — drafting motions, preparing for depositions, comparing versions, and building work product grounded in the actual matter record, instead of uploading files one by one.
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Explore These New CoCounsel Legal Features Today
Sign in to CoCounsel Legal today to enhance the speed and effectiveness of your research, drafting, and document review workflows. Or explore training options at the CoCounsel Legal Product Training site.
To learn more about CoCounsel Legal, visit our website: CoCounsel Legal
