Legal research

Lexis+ AI / Protégé review

LexisNexis' AI layer over its research platform, with conversational search, summarisation and drafting linked to its citator.

★★★★☆ 4.5 / 5

Best for	Research
Pricing	Paid (enterprise)
Platforms	Web, Word
Confidentiality	Enterprise vendor (LexisNexis); data agreements available.

What it is

LexisNexis' AI layer over its research platform, with conversational search, summarisation and drafting linked to its citator.

Who it's for

Firms already relying on LexisNexis that want citation-checked answers and drafting in one place.

Key features

Conversational research over primary law
Summaries with references back to sources
Drafting in Word
Citator-integrated checking
Enterprise governance

Pros

Links back to primary sources
Citator integration
Enterprise controls
Familiar to Lexis users

Cons

Cost
Platform lock-in
Rollout takes time

Pricing

Plan	Price	What you get
Lexis+ AI	Enterprise	Research assistant across the platform.
Protégé	Enterprise	Guided workflows and drafting.
Enterprise	Custom	SSO, audit, firm libraries.

Indicative; enterprise prices on request. Confirm on the vendor's own page.

Confidentiality & privilege

Enterprise agreements and admin controls; suitable for confidential work within contract limits. Treat the tier rules in the harness as your guardrail.

Our verdict

Best when you already rely on Lexis and want the citations to travel with the answer. The citator link is the differentiator.

Alternatives: CoCounsel, vLex Vincent.

Whatever tool you choose, verify the output

Our free handbook shows you how to check every citation before it leaves your firm.

Get the free handbook