Main Denial Review Guide
Federal Court Review After N-336
The principal guide to district-court review after USCIS maintains a naturalization denial following administrative review.
Review federal court after N-336 → Judicial Review • Naturalization Denials • N-400 Delay
Federal Court Review of Naturalization Cases
Federal law provides two important district-court routes in naturalization cases: de novo judicial review after USCIS denies naturalization and the applicant completes the N-336 process, and a separate remedy when USCIS fails to decide a qualifying N-400 within the statutory period after the naturalization examination.
The two remedies arise under different statutes, require different procedural histories, and give the district court different roles. Determining which route applies should come before deciding whether federal litigation is appropriate.
8 U.S.C. § 1421(c) 8 U.S.C. § 1447(b) De Novo Review N-336 Denial 120-Day Delay Mandamus
Federal Naturalization Jurisdiction
Federal Court Can Play Two Very Different Roles
The first question is whether USCIS has already denied naturalization or whether the N-400 remains pending without a decision after the examination.
8 U.S.C. § 1421(c)
USCIS Denied Naturalization
After an applicant receives a naturalization denial and exhausts the available administrative review through the N-336 process, § 1421(c) permits judicial review in the United States district court for the district in which the applicant resides.
The statute requires de novo review. The district court makes its own findings of fact and conclusions of law concerning the naturalization application.
Review federal court after N-336 → 8 U.S.C. § 1447(b)
USCIS Has Not Decided the N-400
If USCIS fails to make a determination before the end of the 120-day period after the examination conducted under 8 U.S.C. § 1446, § 1447(b) permits the applicant to apply to the appropriate United States district court for a hearing on the matter.
The court may determine the naturalization matter itself or remand the application to USCIS with appropriate instructions.
Review the 120-day lawsuit → Federal Court Guides
Naturalization Litigation & Judicial Review
These guides address the federal-court issues that arise after an N-336 denial and when an N-400 remains undecided after the naturalization examination.
After an N-400 and N-336 Denial
Statutory Authority
8 U.S.C. § 1421(c)
The federal statute governing judicial review of qualifying naturalization denials after the administrative process.
Review § 1421(c) → Standard of Review
De Novo Review of a Naturalization Denial
Why judicial review under § 1421(c) differs from ordinary deferential review of many federal agency decisions.
Review the de novo standard → After Administrative Review
What Happens After an N-336 Denial?
Federal court options after USCIS maintains the N-400 denial following an N-336 hearing.
Review post-N-336 options → Evidence
Evidence in Federal Court
The factual record and evidence relevant to proving naturalization eligibility during de novo judicial review.
Review federal court evidence → Hearing
Naturalization Hearing or Trial in Federal Court
How the possibility of a de novo hearing differs from ordinary administrative-record review.
Review federal court hearings → Delayed N-400 Cases
Main Delay Guide
N-400 Delay After Interview: 120-Day Federal Court Action
The principal guide for an N-400 that remains undecided beyond the statutory period following the naturalization examination.
Review the 120-day lawsuit → Statutory Authority
8 U.S.C. § 1447(b)
Federal district-court jurisdiction when USCIS has not made a qualifying naturalization determination within the statutory period after examination.
Review § 1447(b) → Remedy Comparison
§ 1447(b) vs. Mandamus
Why a statutory § 1447(b) naturalization action should not be confused with a general mandamus lawsuit addressing agency delay.
Compare the remedies → Alternative Delay Remedy
Mandamus for a Delayed N-400
The role and limitations of mandamus when addressing naturalization delay outside the specific circumstances governed by § 1447(b).
Review mandamus → Court Disposition
Federal Court Remand to USCIS
How a district court may return a naturalization matter to USCIS with instructions rather than determining the application itself.
Review remand to USCIS → Do Not Confuse the Two Remedies
Denial Review and Delay Litigation Are Different Cases
Issue
§ 1421(c)
§ 1447(b)
Case Status
Naturalization has been denied and administrative review has been
exhausted.
The N-400 remains pending without a determination after the
qualifying statutory period.
Main Statute
8 U.S.C. § 1421(c)
8 U.S.C. § 1447(b)
Administrative Stage
The N-336 administrative remedy ordinarily must be completed
before judicial review.
The issue is USCIS's failure to make a determination within the
statutory period following examination.
Court's Role
De novo judicial review of the naturalization application.
The court may determine the naturalization matter or remand it to
USCIS with appropriate instructions.
Central Question
Is the applicant legally entitled to naturalization despite the
USCIS denial?
Has USCIS failed to make a timely determination under the specific
naturalization delay statute?
Review After Denial
Section 1421(c) Requires De Novo Judicial Review
Judicial review of a qualifying naturalization denial is unusual because Congress expressly directs the district court to review the application de novo.
The court makes its own findings of fact and conclusions of law. At the petitioner's request, the statute also permits the court to conduct a hearing de novo on the naturalization application.
DE NOVO Independent Review
The USCIS Decision Is Not the Final Merits Determination
The district court does not merely ask whether USCIS acted reasonably. Section 1421(c) expressly assigns the court the task of making its own findings of fact and conclusions of law on the naturalization application.
Learn more about de novo naturalization review → Administrative Exhaustion
An N-400 Denial Normally Goes Through N-336 Before Federal Court
Current federal regulations provide that a USCIS naturalization denial is not subject to judicial review until the applicant has exhausted the administrative remedies available under INA § 336.
01
N-400 Denial
USCIS issues a written decision stating the basis for denying naturalization.
02
N-336 Request
The applicant seeks administrative review of the denial through the naturalization hearing process.
03
Administrative Decision
USCIS either grants relief or maintains the denial following administrative review.
04
Federal Court
A qualifying final denial may then be reviewed de novo in federal district court.
Preparing for Litigation
A Naturalization Lawsuit Begins With the Underlying Record
Federal court does not eliminate the need to establish naturalization eligibility. The procedural record, disputed facts, prior immigration history, and evidence should be analyzed before suit is filed.
N-400 Application
Review the application, amendments, supporting evidence, and statements made during the naturalization process.
Interview Record
Examination testimony, N-652 notices, follow-up questions, and other interview evidence may define the factual dispute.
Denial Decision
Identify each factual finding and legal conclusion relied upon by USCIS.
N-336 Record
Review the hearing request, legal arguments, documentary evidence, testimony, and final administrative determination.
Prior Immigration File
Earlier visa, adjustment, marriage, asylum, petition, or other immigration records may become central to the dispute.
Eligibility Evidence
Evidence should directly address the naturalization requirement USCIS disputed.
8 U.S.C. § 1447(b)
Federal Court When USCIS Has Not Decided the N-400
Section 1447(b) addresses delay rather than review of an actual naturalization denial.
If USCIS fails to make a determination before the end of the 120-day period after the examination conducted under 8 U.S.C. § 1446, the applicant may apply to the United States district court for the district in which the applicant resides for a hearing on the matter.
120 Days After Examination
The Examination Date Is Critical
The exact procedural history should be reviewed before filing. Section 1447(b) is a specific statutory naturalization remedy, not simply a mechanism for asking a judge to tell USCIS to process a case faster.
Review the 120-day N-400 lawsuit → Court Authority Under § 1447(b)
The District Court Has Two Express Statutory Options
I
Determine the Matter
Section 1447(b) authorizes the district court to determine the naturalization matter itself when the statutory requirements for jurisdiction are satisfied.
II
Remand to USCIS
The court may instead remand the naturalization application to USCIS with appropriate instructions concerning further adjudication.
Delay Remedies
Section 1447(b) and Mandamus Are Not the Same Remedy
Applicants sometimes use the terms “mandamus” and “federal lawsuit” interchangeably when discussing immigration delay. In naturalization cases, that can obscure an important distinction.
Section 1447(b) is a specific naturalization statute triggered by the circumstances described in that provision. Mandamus is a different federal remedy with different legal requirements. The procedural posture of the N-400 should therefore be identified before deciding which theory, if any, applies.
Issues That May Reach Federal Court
Naturalization Litigation Can Involve Many Types of Disputes
Good Moral Character
Whether a statutory bar applies, how conduct was characterized, and whether USCIS correctly applied the governing GMC provisions.
Criminal History
The immigration effect of a conviction, disposition, sentence, criminal statute, or alleged underlying conduct.
Lawful Permanent Residence
Whether the applicant was lawfully admitted for permanent residence and whether an older immigration benefit was valid.
Fraud or Misrepresentation
What was actually represented, whether a statement was material, and whether USCIS accurately interpreted the historical record.
Continuous Residence
Travel dates, length of absences, U.S. ties, and application of the statutory residence rules.
Marriage-Based Eligibility
Marital union, separation, divorce, I-751 history, or the validity of the underlying marriage-based immigration record.
False Testimony or Statements
The meaning, context, intent, materiality, and legal effect of statements attributed to the applicant.
Constitutional or Security Issues
Organizational membership, constitutional attachment, statutory exceptions, or security-related findings.
USCIS Delay
Whether a pending N-400 satisfies the statutory requirements for federal district-court jurisdiction under § 1447(b).
Before Filing Federal Court
Federal Litigation Should Begin With Both a Procedural and Merits Review
The existence of a federal-court remedy does not necessarily mean that filing immediately is the best strategy. Jurisdiction, procedural prerequisites, underlying eligibility, evidence, and possible immigration consequences should be evaluated together.
01
Determine whether the case involves a final naturalization denial or an unresolved N-400 delay.
02
Identify the statute that would provide federal-court jurisdiction.
03
Confirm that the statutory and regulatory prerequisites for the particular remedy have been satisfied.
04
For denial review, confirm that the required N-336 administrative process has been exhausted.
05
Identify precisely which naturalization requirement USCIS disputes.
06
Evaluate the evidence necessary to establish eligibility for naturalization.
07
Review the complete immigration history for issues that may become relevant once the matter is litigated.
08
Determine the proper United States district court and confirm any applicable filing deadline.
Related Naturalization Remedies
Review the Administrative Case Before Federal Litigation
Primary Legal Authorities
Federal Court & Naturalization Resources
Federal Naturalization Litigation
Is Your Naturalization Case Ready for Federal Court?
A federal-court case review can determine whether the matter involves a qualifying N-336 denial or post-examination delay, identify the statutory basis for jurisdiction, examine the administrative and immigration record, and evaluate the evidence necessary to establish naturalization eligibility.