Legal document review · Production

Luminance's Legal-Grade AI cuts Trench Group's contract review time to less than one third

The problem

Trench Group faced a vast volume of contracts requiring lengthy, standardized reviews, with each review taking an average of 150 minutes — straining the legal team and slowing business decisions.

Workflow diagram · grounded in source
1
Contract arrives for review
trigger
“Faced with a vast volume of contracts in need of review, Trench Group decided to automate this lengthy but highly standardized process”
2
AI first-pass review
ai_action
“Luminance is able to do the first-pass review, highlighting areas of risk or deviations from organizational standards and suggesting acceptable alternatives which can be inserted with a single click”
3
Route by contract complexity
routing
“Sales and Operations can handle day-to-day contracts without waiting on the legal department, with Legal only receiving the escalations for more high-risk or nuanced agreements that require their expertise”
4
User reviews flagged areas
human_review
“empowers users to complete reviews far more quickly, able to ignore points already addressed by Luminance to focus on the highlighted areas which are flagged as risky or non-standard”
5
Contracts stored in repository
integration
“All contracts processed through Luminance are now housed in a centralized, searchable repository”
6
Metadata extraction and Q&A
output
“metadata can be extracted instantly to understand obligations, renewals, or risks. This single, organized source of truth gives the business full visibility and confidence in their data. Business leaders can ask a question and receive an…”
Reported outcome

Contract review time fell from 150 minutes to about 30 minutes; the wider business now handles 80% of contracts without legal involvement; and a tariff review project completed in under 2 hours would have taken 2.5 weeks manually.

Reported metrics
Average contract review timefrom 150 minutes to about 30 minutes
Review time reduction factorless than one third of what it was before
Contracts handled by wider business80%
Tariff review project time<2 hours vs. 2.5 weeks without Luminance
Reported stack
Luminance
Source
https://www.luminance.com/customers/how-luminances-legal-grade-ai-is-transforming-trench-groups-contract-activity/
Read source ↗

Frequently asked questions

What did this team achieve with this AI workflow?

Contract review time fell from 150 minutes to about 30 minutes; the wider business now handles 80% of contracts without legal involvement; and a tariff review project completed in under 2 hours would have taken 2.5 we…

What tools did this team use?

Luminance.

What results were reported?

Average contract review time: from 150 minutes to about 30 minutes; Review time reduction factor: less than one third of what it was before; Contracts handled by wider business: 80%; Tariff review project time: <2 hours vs. 2.5 weeks without Luminance (source-reported, not independently verified).

How is this legal document review AI workflow structured?

Contract arrives for review → AI first-pass review → Route by contract complexity → User reviews flagged areas → Contracts stored in repository → Metadata extraction and Q&A.

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