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Law Firm Saves Client $7.8M with Lighthouse

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Lighthouse Key Document Identification outperforms standard search terms and analytics delivering critical case insights, fast, even from vast document populations.

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The Challenge

In the span of a month two states and the FTC sued to block the proposed merger between two national retailers triggering their defense team’s need to prepare for litigation.

Counsel was faced with the herculean task of finding key information within 23 million documents across client and third-party data. They could either continue to leverage the industry standard approach of using general search terms and analytics, or they could use a more surgical approach with Lighthouse’s Key Document identification service.

Options

Comparison of legal document review methods: large attorney teams versus specialized data-driven experts.

Project Details

4 Workstreams:

  • Retailer #1 Thematic
  • Retailer #2 Thematic
  • Targeted divesture topics
  • Deponent preparation kits

Rolling Delivery:

  • Allowed case teams to start building strategy right away
  • Enabled iterative feedback and continual improvement

Small, Dispersed Team:

  • Provided 24 x 7 coverage
  • Powered nimble processes to meet shifting priorities and changing deposition schedules

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The Solution

The client and counsel opted for Lighthouse’s Key Document Identification after other methods proved to be more costly and inefficient—ultimately saving the client an estimated $7.8M.

Cost Comparison

Cost comparison table showing savings of about $7.8M between general search and Lighthouse key document methods.

How It Worked

The team immediately worked with the outside counsel team to understand the subject matter and then began the following:

  • Creating classifiers to target documents most related to the merger.
  • Creating linguistic models to target thematic topics of significant to the litigation.
  • Building deposition kits for 34 deponents.
  • Ad hoc information retrieval for targeted topics.

Benefits of this Approach

  • Small team – started with just four people scaling to a total of 11. Given Lighthouse’s methodology, a large-scale review was avoided. Rather, a brain trust with the right skills and technology could attack the data population.
  • Immediate Responses and Quick Turnarounds – the first delivery of documents was made in just one week and the most substantial effort was completed in six.
  • Concurrent effort – four different workstreams handled simultaneously.
  • Precise results – 6.5K of the most critical documents were delivered population.
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