Liu v. United States Citizenship & Immigration Services
Liu v. United States Citizenship & Immigration Services is a federal federal tax / statutory actions lawsuit filed on 12/30/2025 in the District Court, District of Columbia. The case is currently open in the federal court system.
- Court
- District Court, District of Columbia (D.D.C.)
Official Court Website → - Assigned judge
- Beryl A. Howell · 1,042 cases in index
- Docket number
- 1:25-cv-04546
- Cause
- 28:1361 Petition for Writ of Mandamus
28 U.S.C. § 1361 - Nature of suit
- 890 Other Statutory Actions
Federal statutory claims not covered by a more specific category. - Jurisdiction
- U.S. Government Defendant
- Jury demand
- None
- Date filed
- 12/30/2025
20,957 Federal Tax / Statutory Actions cases in this court are indexed here.
Parties
- plaintiff · Liu · 450 cases
- defendant · United States Citizenship and Immigration Services · 420 cases
Part of a Larger Litigation Pattern
This is one of 421 Federal Tax / Statutory Actions cases in our index naming United States Citizenship and Immigration Services — a possible mass-tort or coordinated-litigation cluster.
About Federal Tax / Statutory Actions Lawsuits
This group covers federal tax disputes and other statutory actions, including IRS-related suits and claims arising under various federal regulatory statutes.
Frequently Asked Questions
What is Liu v. United States Citizenship & Immigration Services?
Liu v. United States Citizenship & Immigration Services is a federal federal tax / statutory actions lawsuit filed on 12/30/2025 in the District Court, District of Columbia. The case is currently open in the federal court system. This group covers federal tax disputes and other statutory actions, including IRS-related suits and claims arising under various federal regulatory statutes.
What type of case is this?
It is classified as “Federal Tax / Statutory Actions” under the federal nature-of-suit system. This group covers federal tax disputes and other statutory actions, including IRS-related suits and claims arising under various federal regulatory statutes.
What court is the case in?
The case is in the District Court, District of Columbia, docket number 1:25-cv-04546.
When was the case filed?
Liu v. United States Citizenship & Immigration Services was filed on 12/30/2025. The case is currently open.
What law is the case brought under?
The docket lists the cause as 28 U.S.C. § 1361.
Other Cases Involving These Parties
Related Federal Tax / Statutory Actions Cases
Source: public U.S. federal court record (docket 72090680).