Nguyen v. INS, 2000 (June 16 2000) U.S. App. LEXIS 6860 5th Circuit. Legal Momentum filed an brief in support of a Petition of Certiorari to the United States Supreme Court (2000) in an equal protection clause challenge to a federal immigration law that treats foreign born out-of-wedlock children of citizen mothers differently from similarly situated children of citizen fathers for purposes of obtaining citizenship.