A Fortune 500 electronics company faced a demanding HSR Second Request with 3.3M documents, including costly CJK language materials. Partnering with Cleary Gottlieb, Lighthouse deployed proprietary AI and advanced TAR to manage shifting DOJ requirements and achieve responsive classification with unprecedented precision. The AI-driven workflow cut the review set by over 500K documents—40% fewer than legacy tools—reducing translation costs by $1M. Privilege AI further removed 200K documents, saving $1.2M and 8K review hours, while uncovering privileged materials missed by term searches. The approach ensured compliance, faster turnaround, risk reduction, and millions in savings.

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