LexisNexis Enhances Lexis+ with Protégé Platform by Integrating Anthropic Cowork Legal Plugin

NEW YORK, FEBRUARY 24 , 202 6 - LexisNexis ® Legal & Pro fessional today announced the integration of Anthropic ' s legal plugin ("Legal Plugin") into the Lexis+ ® with Pro tégé ™ platform (" Pro tégé ") . Th e company has been evaluating the Legal Plugin capabilities since before its market release. This integration enhances hundreds of existing AI and agentic AI legal workflow capabilities available via Pro tégé and is part of the company's pro cess to continuously evaluate and incorporate new technologies or capabilities that help customers achieve better outcomes in trusted LexisNexis solutions .

The integration enables Pro tégé users to automate finished, verifiable legal work pro duct in multiple ready-to-use formats with their work grounded accurately in the company's vast 200- billion document repository - with four million new documents added daily - of essential, unique, constantly updated, Shepardized , and linked legal content. The integration leverages the L egal P lugin all within the Pro tégé world-class, private, secure, and trusted technology environment.

T h e Legal Pl ugin integration into Pro tégé has been tested over the last few weeks by a limited group of customers in c ommercial p review as part of the company's pro cess to rapidly evaluate and incorporate new technologies and capabilities across multi ple models and plugins that add value for legal customers and their daily work .

Commenting on the Legal Plugin integration into Pro tégé , Nancy Kuhn, partner, Shulman Rogers, said, "I appreciate that Pro tégé automatically validates the legal citations. That feature is a huge timesaver. The end pro duct , after verification and editing, is also easy to format in Word so that it can be quickly finalized .. . With so many AI tools out there, it's helpful that Pro tégé minimizes the number of choices by integrating these experiences into one solution."

In a pro duct testing forum last week , a n Am L aw 1 00 third-year associate noted that the new Legal Plugin embedded in Pro tégé " wi ll take me from pro mpt to finished work pro duct much faster and better visually than I can do it. It's like going from driving a horse and buggy to driving a Maserati. I could not have imagined it being this powerful . "

"LexisNexis is delighted to integrate the Legal Plugin i nto Pro tégé to further automate authoritative legal work flows and deliver more value to customers," said Sean Fitzpatrick, CEO Global Legal, LexisNexis Legal & Pro fessional. " We are excited to put this in customers' hands, enabling new, interactive, and intuitive ways to generate ready-to-use , fully formatted legal work that we believe customers will not want to be without."

Within Pro tégé , the i ntegrated Legal Plugin enable s legal pro fessionals to :

• Automatically complete tasks like ' check a data pro te ction agreement ' against the LexisNexis repository of up - to - date, authoritative compliance regulations ; ' check a contract ' against a LexisNexis checklist ; or ' generate a research - style briefing ' on a specific legal question or topic .

• S ynchroni z e outputs across multiple documents, presentations, and spreadsheets to create a unified, formatted, and branded set of legal materials. Users can create final , fully formatted W ord documents , coupled with high - level client presentation s and detailed spreadsheet s, which ha ve received very favorable customer feedbac k .

• Soon, users will be able to accomplish even mor e . For example, LexisNexis is developing the ability for a user to enter " I want to generate a 50-state survey" in Pro tégé 's single conversational pro mpt box . From this single pro mpt, legal pro fessionals can automatically generate a coordinated set of deliverables, including a polished Word memo, a client -ready presentation, and a tracking spreadsheet that require s minimal editing and remain s consistent across formats.

Pro tégé will continue to integrate additional Anthropic skills as they are released to the market within the platform's easy-to-use pro mpt box.

LexisNexis is pro viding increasing support for customers in us ing and adopt ing Pro tégé including the Legal Plugin via a w hite g love s ervice that helps organizations unlock the full value of these pro ducts with expert guidance and practical support. Specialized teams help customers build custom workflows, migrate existing workflows, standardize workflows across organizations, and pro vide team training and onboarding.

Pro tégé brings together an advanced AI infrastructure developed specifically for legal work and the world's most comprehensive collection of citable legal authority to help pro fessionals complete higher-quality legal work faster while maintaining the rigor and control required for legal practice. This commercial preview reflects LexisNexis ' continued leadership in authoritative legal AI innovation.

Following the c ommercial p review , b road availability will be guided by customer feedback and development.

To learn more about Protégé: www.lexisnexis.com/ pro te ge and Lexis+ with Protégé: www.lexisnexis.com/ai .

About LexisNexis Legal & Professional

LexisNexis Legal & Professional provides AI-powered legal, regulatory, business information, analytics, and workflows that help customers increase their productivity, improve decision-making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis ® and Nexis ® services. LexisNexis Legal & Professional, which serves customers in more than 150 countries with 11,900 employees worldwide, is part of RELX, a global provider of information-based analytics and decision tools for professional and business customers.

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Media contact:
Anuj Baveja
[email protected]