Amendments to the Federal Rules of Civil Procedure, which became effective on December 1, 2015, foster more cost-effective discovery through cooperation, proportionality, early and active case management, and considerations of electronically stored information (ESI).

This package of materials was transmitted to Congress on April 29, 2015, concerning amendments to the Federal Rules of Practice and Procedure to become effective on December 1, 2015.

The Judicial Conference Advisory Committee on Civil Rules asked the Federal Judicial Center to study the operation of Rules 16 and 26(f) in the district courts. This report summarizes findings of part of that study.