In a high-stakes regulatory investigation, outside counsel was tasked with producing a 200,000-entry privilege log that required speed, precision, and defensibility. Lighthouse delivered a tailored solution by combining GenAI with expert human iteration, ensuring specificity and consistency without manual drafting. Instead of relying on one-size-fits-all templates, Lighthouse customized outputs across document type, legal hook, and subject matter, refining them through prompt engineering and feedback. The result was over 200K accurate entries, 100+ document types condensed to 9, 80+ legal hooks refined to 8, and 120K unique subject lines, enabling the client to meet deadlines under pressure with major time and cost savings.

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