Mastr Adjustable Rate Mortgages Trust v. UBS Real Estate Secs. Inc., No. 12 Civ. 7322(HB)(JCF), 2013 WL 5651290 (S.D.N.Y. Oct.15, 2013)

Key Insight: Where review of sample of unproduced documents revealed possibility that more responsive documents had been missed than had been produced, court ordered producing party to re-review at-issue custodians? files and to confer with requesting party regarding expansion of search terms; court rejected producing party?s arguments that its initial review was ??on par with and likely more accurate than typical document reviews,? citing cases and studies finding that human reviewers are disconcertingly error-prone? reasoning in part that producing party ?can, and has, utilized review technologies that can, if used properly, be expected to identify more than a mere half of the potentially responsive documents.?

Nature of Case: Breach of contract, declaratory judgment

Electronic Data Involved: ESI