In the District of Delaware, unless the parties agree otherwise, ESI discovery is guided by the Default Standard for Discovery. The Court published the Default Standard over a decade ago, and at this point quite a bit of case law has developed interpreting its various provisions.
Among other things, the Default Standard requires each party to identify "[t]he 10 custodians most likely to have discoverable information" in a case. These custodians' files will ultimately be searched as part of the document production process.
One common question is: what if we have less than 10 custodians with discoverable information? The answer to that is typically "disclose what you have," but I had not seen a case setting a standard for when a party can disclose less than 10 custodians—until this week.
In Attentive Mobile Inc. v. 317 Labs, Inc., C.A. No. 22-1163-CJB (D. Del.), Judge Burke addressed a discovery dispute where the defendant identified just four custodians. He denied a motion to compel the identification of more custodians based on an argument that the four custodians had a "majority" of the non-duplicative ...