Zubulake v. UBS Warburg LLC (Zubulake I), 217 F.R.D. 309 (S.D.N.Y. 2003); Zubulake v. UBS Warburg LLC (Zubulake II), 230 F.R.D. 290 (S.D.N.Y. 2003); Zubulake v. UBS Warburg LLC (Zubulake III), 216 F.R.D. 280 (S.D.N.Y. 2003); Zubulake v. UBS Warburg LLC (Zubulake IV), 220 F.R.D. 212 (S.D.N.Y. 2003); Zubulake v. UBS Warburg LLC (Zubulake V), 229 F.R.D. 422 (S.D.N.Y. 2004) (S.D.N.Y., Scheindlin, J.)
Zubulake v. UBS Warburg is the foundational federal case series that ushered in the modern era of electronic discovery.
In civil discovery involving ESI, (1) when and under what circumstances should a court shift costs of producing data—particularly from backup tapes deemed not reasonably accessible—and (2) what are a party's and counsel's duties to preserve ESI once litigation is reasonably anticipated, and what sanctions are appropriate for spoliation?
E-Discovery Cost-Shifting and Accessibility (Zubulake I/II/III): - Default rule: The producing party bears the costs of discovery. Cost-shifting is the exception and is considered primarily for ESI that is not reasonably accessible (e.g., disaster-recovery backup tapes) due to undue burden or cost. - Accessibility distinction: Data on active systems is generally accessible; data on backup tapes or legacy systems is often not reasonably accessible. - Seven-factor cost-shifting test (reordered and refined from Rowe): (1) the extent to which the request is specifically tailored to discover relevant information; (2) the availability of such information from other sources; (3) the total cost of production compared to the amount in controversy; (4) the total cost of production compared to the parties' resources; (5) the relative ability of each party to control costs and its incentive to do so; (6) the importance of the issues at stake in the litigation; and (7) the relative benefits to the parties of obtaining the information. - Sampling: Courts may order restoration and search of a sample set of backup tapes to inform cost, burden, and likely yield before deciding on full restoration or cost-shifting. Preservation Duties and Litigation Hold (Zubulake IV): - Duty to preserve arises when a party reasonably anticipates litigation. From that point, parties must suspend routine deletion policies and preserve relevant information. - Scope: Parties must preserve unique, relevant ESI, focusing on "key players" and sources where responsive data is likely located. Not every backup tape must be preserved, but tapes that are the sole source of relevant information (e.g., those of key players) must be protected from rotation/overwriting. - Counsel's obligations: (1) issue a clear, written litigation hold; (2) communicate directly with key players and IT to identify and preserve relevant ESI; (3) monitor compliance, periodically follow up, and document preservation efforts. Spoliation and Sanctions (Zubulake V; Second Circuit standard): - To obtain an adverse inference for spoliation, the movant must show: (1) the party had a duty to preserve when evidence was destroyed; (2) the ESI was destroyed with a culpable state of mind (negligence, gross negligence, or willfulness); and (3) the destroyed evidence was relevant to the claims or defenses such that a reasonable trier of fact could find it would have been favorable to the movant. - Sanctions may include adverse inference instructions, cost-shifting, additional discovery, and other remedial measures proportionate to prejudice and culpability.
The court held that electronic discovery is subject to the same principles as traditional discovery and that cost-shifting is appropriate only for ESI that is not reasonably accessible. Applying a seven-factor test and after ordering sampling, the court required UBS to restore and produce emails from numerous backup tapes, allocating the lion's share of the restoration and production costs to UBS while shifting a modest portion to Zubulake for certain inaccessible data. In later opinions, the court held that UBS breached its duty to preserve ESI once litigation was reasonably anticipated and that counsel failed to institute and monitor an effective litigation hold. As a sanction for spoliation, the court issued an adverse inference instruction, permitted additional discovery, and awarded certain costs.
Zubulake is the seminal authority on e-discovery. It clarified that: (1) cost-shifting is exceptional and informed by a structured, proportionality-based analysis; (2) the duty to preserve ESI arises upon reasonable anticipation of litigation; (3) counsel must implement and monitor a written litigation hold; and (4) spoliation of ESI may warrant adverse inferences and other sanctions. The case influenced the 2006 FRCP amendments that explicitly addressed ESI (e.g., Rule 26(b)(2)(B) on not reasonably accessible ESI and Rule 34 production of ESI) and presaged the 2015 revision of Rule 37(e) on ESI spoliation. For law students, Zubulake provides a practical blueprint for managing e-discovery, balancing proportionality and fairness, and understanding counsel's ethical and procedural responsibilities.