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A new independent study by Forrester Consulting has revealed how Lexis+ AI is transforming in-house legal departments in the US by reducing reliance on outside counsel, cutting administrative workload and enhancing legal team satisfaction. For GCs and legal operations leaders in the UK, the findings point to a clear opportunity to drive efficiency, retain talent and deliver strategic value.

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So what did Forrester find, and how can legal teams apply the insights?

Lexis+ AI delivered measurable value and faster legal outcomes

��ǰ�������ٱ��’s Total Economic Impact™ of Lexis+ AI, commissioned by ��˾����ҹ���� in June 2025, modelled the experiences of large in-house teams using generative AI to support legal research, document analysis and internal legal advice. The study showed that a composite organisation representative of interviewed customers with experience using and developing Lexis+ AI helped legal departments:

• Cut work referred to outside counsel by up to 13%

• Reduce the time spent on legal inquiries by 25%

• Save 50% of paralegal time on routine document tasks

• Improve employee experience and increase internal capacity

“The answer isn’t work harder or work longer; it’s work more efficiently and smarter. We feel that Lexis+ AI, in addition to some other efficiency measures that we put in place, has allowed us to take on that additional intake.” — AVP of Staff Counsel Operations, US insurer

Reduce outside counsel spend while increasing internal matter volume

Legal teams using Lexis+ AI took on more work internally without adding headcount, particularly in areas like legal queries, contract review and early-stage litigation. This reduced external legal spend and helped internal teams build closer engagement with business stakeholders.

One privacy counsel interviewed said their team now uses Lexis+ AI for rapid legal answers and summaries on emerging legislation, saving both time and cost.

“Every question we ask Lexis+ AI would have otherwise have gone to outside counsel. If you do one or two tasks [with Lexis+ AI], it might [pay] for your whole year of [Lexis+ AI access].” — VP of Legal Operations, US real estate group

Faster internal advice for business stakeholders

With Lexis+ AI, lawyers can research and respond to business requests faster, delivering high-quality, contextual answers in significantly less time. One senior legal ops leader reported reducing internal turnaround time on legal advice from days to hours by using AI to accelerate memo drafting and issue spotting.

“Attorneys are getting to an answer more quickly than they did in the previous world. Even if they must go back and double-check information, they still getting to the answer faster.” — Senior Legal Operations Manager of legal and compliance, US insurer

Unlock capacity and improve work quality

Paralegals benefited from substantial time savings on tasks like document summarisation and contract comparisons. One team reduced admin time by half, enabling paralegals to shift focus to higher-value responsibilities and reduce backlog.

The result: greater capacity without additional cost, and better quality outputs through early issue detection and improved document clarity.

“When you don’t have to spend so much time summarising the documents, you are freed up to spend more time on other parts of the deal. You might catch something, or you might think about something that you wouldn’t have had the bandwidth to do if you were bogged down manually summarising things.” — VP of Legal Operations, US real estate group

Support legal team wellbeing and retention

By removing bottlenecks in research and admin, Lexis+ AI helped legal teams reclaim time for strategic projects or reduce after-hours strain. This directly improved work-life balance and created new opportunities for professional growth, especially for junior staff.

The study also found that legal departments using Lexis+ AI were better positioned to onboard new hires and train junior lawyers more effectively.

Find out how Lexis+ AI could work in your in-house legal department

“[Lexis+ AI] allows our attorneys to get there sooner and with a higher level of confidence that what they’ve put together is comprehensive.” — AVP of Staff Counsel Operations, US insurer

Secure AI designed for legal teams

Lexis+ AI operates within the secure ��˾����ҹ���� ecosystem, ensuring confidential and privileged data is protected by commercial-grade security, siloed sessions and GDPR-aligned EU data centres. It allows legal leaders to meet enterprise AI adoption targets without compromising on compliance or content quality.

A strategic investment for in-house legal transformation

For legal departments under pressure to reduce costs, increase responsiveness and lead on innovation, Lexis+ AI offers a proven, low-risk way to enhance legal delivery.

• Improve matter handling without expanding the team

• Reduce spend on repeatable outside counsel work

• Enable lawyers to spend more time on strategic tasks

• Accelerate AI adoption safely and securely

...Lexis+ AI offers a secure, scalable way to boost performance and profitability without increasing headcount.