Legal
Knowledge & Search
LUMEN LEGAL
Answers buried in 10,000 contracts
A search assistant surfaces the right clause in seconds, with sources.
CLIENT
LUMEN LEGAL
INDUSTRY
Legal
SERVICES
Knowledge & Search
DURATION
7 weeks
Lumen Legal's real asset was its history: thousands of contracts and matters accumulated over years, holding the answer to almost any question a lawyer might ask. The trouble was that the answer was in there the way a single sentence is "in" a library: technically present, practically unreachable. Finding the right clause or precedent meant a senior lawyer remembering roughly where it lived and hunting, or a junior one spending billable hours searching and still never being sure they'd found everything. In law the danger isn't only the clause you find; it's the contradicting one you miss. Lumen needed a way to ask its own archive a question and get a trustworthy, sourced answer in seconds.
01
The challenge
The answers Lumen's team needed were spread across 10,000 contracts, and finding the right clause meant opening documents one by one. A single question could burn an afternoon, and the real risk was missing the one clause that mattered.
02
What we built
A search assistant that indexes the full contract library and answers plain-language questions in seconds, with every answer linked to its exact source clause.
Semantic indexing across the entire contract library.
Plain-language questions, precise clause-level answers.
Every answer cited back to its source document.
Permission-aware access, so people only see what they should.
The results
10K
contracts indexed
8 sec
average answer
90%
less time spent searching
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