D4 is a national provider of e-discovery, digital investigations, information management and security solutions to law firms and corporations. D4 has been implementing predictive coding workflows since 2009. Equivio’s Zoom® predictive coding suite is at the core of D4’s predictive coding workflow. Each of the cases described in this paper were completed using Zoom. Over the past three years, D4 has rigorously tracked data from its predictive coding cases and has constantly refined its predictive coding workflow. The goal of this paper is to share insights from D4’s experiences, including a close look at four specific cases.

These cases include:

• Case 1: “The Document Dump” (A large volume, incoming production)

• Case 2: “A Merger at Risk-When Speed Matters” (A large volume, limited time, second request)

• Case 3: “High Cost/Low Merits” (Potentially high discovery costs and low merits)

• Case 4: “The Pressure Cooker” (A discovery scope expansion with no change in production deadline)

These case studies not only tell the story of cost savings, but also the strategic value of getting to key data faster

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