Practice Advisory
Issue area
Removal Defense
USCIS Benefits
Audience
Attorney
Published:
Aug. 18, 2025
Naturalization remains the best defense against immigration enforcement for many LPRs. However, some red flag issues that could cause an LPR to be denied naturalization and even detained and deported. Thorough screening is crucial to make sure that an LPR is able to make an informed decision about whether to pursue naturalization. This practice advisory summarizes the most common reasons why USCIS may deny an N400, provides guidance for ways to screen and avoid an N-400 denial and removal proceedings, and discusses immigration relief options in immigration court.