About D4

D4, LLC is a national leader in providing litigation support and eDiscovery services to law firms and corporate law departments. D4 covers the spectrum of the Electronic Discovery Reference Model (EDRM), from identification and preservation of data through forensic and targeted onsite data collection; from data analytics and defensible search methodology through hosted review and production services. D4 assists attorneys in litigation response planning, strategies for negotiation of scope and meet-and-confer, computer forensics, expert testimony, and approaches to cost reduction in litigation support projects and in corporate law department operations.

Founded in 1997 and through its combination and rebranding with Doculegal, D4 has grown to a national presence. With nearly 100 staff, D4 offers full-service locations in Rochester, Buffalo, Tampa, Lincoln, Omaha, New York City, Grand Rapids, and San Jose. D4 fields consultants and project managers from Los Angeles, Colorado, Rhode Island, Michigan, and Washington DC. State-of-the-art data center operations in Rochester are complemented by electronic discovery and litigation support paper document services throughout the United States. In 2010, D4 was recognized in the “Top Five” of the “Rochester Top 100”, honoring the fastest growing companies in Western New York.

In 2010, D4 merged with layerONE Media of Rochester, NY. layerONE media was founded in 2008 as a full-service provider of electronic media services. The merger of the two companies allows D4 to provide a broader range of electronic document management services to customers. layerONE’s offerings include: CD, DVD, and USB production, media packaging, mailing list management, letter shop services and variable print mailings.

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Latest Press Release

D4 expands Relativity Hosting into Canada

ROCHESTER, NY – February 17, 2012 –D4, a national leader for litigation support and eDiscovery services, announced today that they will now be offering Relativity in both the US and Canada. Law firm and corporate clients will now be able to host their documents in the US or in Canada through a common platform with [...]
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Latest Industry Insight

Applying Predictive Coding to Reduce Costs and Increase Quality in Document Review

By Tom Groom, Vice President Discovery Engineering, D4 LLC

The application of Predictive Coding can significantly reduce costs, dramatically reduce review time and increase quality for document review. Yes—cheaper, faster and better, all three. Computerized technology has greatly impacted the efficiencies of document review over the years.