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Reports & Studies
Below is a list of a number of past published studies conducted by the Research Division. Some Center reports are not published or made publicly available due to restrictions in place from the source of the research request. Most research reports can be downloaded and in some instances, a hardcopy publication can be requested. See also Manuals, Monographs, & Guides.
Displaying 341 - 346 of 346| Title |
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Appeals of Sua Sponte Remand Orders in Class Action Fairness Act (CAFA) Removals, 2014–2023 This study examines how often sua sponte remands were ordered in putative class actions removed to federal court on Class Action Fairness Act (CAFA) grounds and how often appeals of those sua sponte remand orders were sought. |
June 5, 2025 |
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Intervention in the Federal Courts of Appeals Prepared for the Advisory Committee on the Federal Rules of Appellate Procedure, this report examines motions to intervene on appeal. Intervention at the beginning of a case is studied in a two-year filing cohort, and intervention at the end of a case, such as after argument or judgment, is examined in a four-year termination cohort. |
July 14, 2025 |
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Review of Local Bankruptcy Rules, Orders, and Procedures Governing Redaction of Private Information in Federal Court Filings At the request of the Judicial Conference Committee on Court Administration and Case Management (CACM), the Federal Judicial Center reviewed the local court rules of bankruptcy courts to identify rules requiring redaction of specified private information from court filings. |
August 4, 2025 |
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Review of Local District and Appellate Rules Governing Redaction of Private Information in Federal Court Filings At the request of the Judicial Conference Committee on Court Administration and Case Management (CACM), the Federal Judicial Center reviewed the local court rules of the district and appellate courts to identify rules requiring redaction of specified private information from court filings. |
August 4, 2025 |
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Supplemental Analysis of Unredacted Social Security Numbers in Federal Court PACER Documents At the request of the Judicial Conference Committee on Court Administration and Case Management (CACM), the Federal Judicial Center completed a supplemental analysis of unredacted Social Security numbers (SSNs) identified in its 2024 study Unredacted Social Security Numbers in Federal Court PACER Documents. The purpose of this analysis was to determine whether unredacted personally identifiable information (PII) is more common in particular types of court filings and proceedings. |
August 4, 2025 |
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Unredacted Personally Identifiable Information in Federal Court PACER Documents Appellate Rule 25(a)(5), Bankruptcy Rule 9037, Civil Rule 5.2, and Criminal Rule 49.1 require parties and nonparties to redact certain personally identifiable information (PII) in documents they file with the federal courts, including Social Security numbers (SSNs), individual taxpayer identification numbers (ITINs), birthdates, minors’ names, financial account numbers, and, in criminal filings, home addresses.
Following its December 2022 meeting, CACM asked the Federal Judicial Center (Center) to conduct the following research:
Below are links to the Center’s final project report summarizing all research findings, along with previously completed reports and memorandums containing research findings as presented to the committee over the course of the project (see Attachments A-J). Click here for an overview of the Center’s research findings. |
May 21, 2026 |
