{"argument_date":"2004-03-03T00:00:00Z","arguments":[{"argument_date":"2004-03-03T00:00:00Z","heading":"What happened at the argument","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2003","official_transcript_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","paragraphs":["Mr. Boyce argued that Atlas' post-filing citizenship change should not create retroactive jurisdiction.","Mr. Greenberg argued that the trial court had jurisdiction because diversity existed at trial.","chief_justice_rehnquist"],"reargument":false,"sequence":1,"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 4-12","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 4-12"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 49, lines 40-42","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 49, lines 40-42"}]}],"caption":"Grupo Dataflux v. Atlas Global Group","case_history":[{"changed_at":"2026-08-29T20:06:30.519137Z","explanation":"An official oral-argument transcript was verified.","status":"argued"}],"case_status":"argued","dek":"The dispute centers on whether a party's later change in citizenship cures a prior lack of complete diversity.","dek_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"}],"dispositions":[],"latest_court_document_date":"2004-03-03T00:00:00Z","maturity":"official_transcript","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2003","official_disposition_urls":[],"official_docket_url":"https://www.supremecourt.gov/docket/docketfiles/html/public/02-1689.html","primary_docket":"02-1689","revisions":[{"correction_note":"Rewritten to the concise citizen-facing editorial standard.","created_at":"2026-08-31T15:52:19.796772Z","maturity":"official_transcript","revision_number":1},{"correction_note":"Migrated to the dated official Court activity contract without model use.","created_at":"2026-09-05T03:22:24Z","maturity":"official_transcript","revision_number":2}],"schema_version":"1.1","sections":[{"heading":"What this case is about","paragraphs":["This case tests the timing of diversity jurisdiction. One side argues jurisdiction exists if diversity is present at trial. The other side argues jurisdiction must exist at filing."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"}]},{"heading":"How the case got here","paragraphs":["The Supreme Court heard oral argument in this case on March 3, 2004."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 4-12","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 4-12"}]},{"heading":"What each side wants","paragraphs":["Atlas wants the Court to affirm the Fifth Circuit judgment.","Atlas wants the Court to hold that the trial court had jurisdiction at trial."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"}]},{"heading":"What each side says","paragraphs":["Atlas argues that a post-filing citizenship change cures the lack of complete diversity.","Dataflux argues that a post-filing citizenship change cannot create retroactive diversity jurisdiction."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"}]},{"heading":"What the justices asked","paragraphs":["Chief Justice Rehnquist asked if the case was submitted."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 49, lines 40-42","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 49, lines 40-42"}]},{"heading":"Why it matters","paragraphs":["This case defines when federal courts gain diversity jurisdiction. It determines whether parties can cure jurisdictional defects after filing. It affects access to federal courts for diverse parties."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"}]},{"heading":"What happens next","paragraphs":["This article currently covers the argument record. Use the official docket link for later case activity."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 4-12","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 4-12"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 49, lines 40-42","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 49, lines 40-42"}]}],"slug":"2003-02-1689-grupo-dataflux-v-atlas-global-group","term":"2003","title":"Does a post-filing citizenship change create retroactive diversity jurisdiction?","title_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 25, lines 2-33","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 25, lines 2-33"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 14-38","official_url":"https://www.supremecourt.gov/pdfs/transcripts/2003/02-1689.pdf","page_label":"file page 3, lines 14-38"}],"topics":[],"undated_disposition_date_fallback":null,"updated_at":"2026-09-05T03:22:24Z"}