{"argument_date":"2013-12-02T00:00:00Z","arguments":[{"argument_date":"2013-12-02T00:00:00Z","heading":"What happened at the argument","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2013","official_transcript_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","paragraphs":["BG Group argues the treaty creates a standing offer to arbitrate.","Argentina argues this is a contract formation issue for courts.","questions"],"reargument":false,"sequence":1,"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 10, lines 31-39","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 10, lines 31-39"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 11, lines 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13-19","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 61, lines 13-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 61, lines 49-1","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 61, lines 49-1"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 13-19","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 8, lines 13-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 23-29","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 8, lines 23-29"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 45-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 8, lines 45-15"}]}],"caption":"BG Group plc v. Republic of Argentina","case_history":[{"changed_at":"2026-08-29T20:06:24.191367Z","explanation":"An official oral-argument transcript was verified.","status":"argued"},{"changed_at":"2026-08-29T20:06:24.208625Z","explanation":"An official oral-argument transcript was verified.","status":"argued"}],"case_status":"argued","dek":"BG Group and Argentina dispute who decides if a treaty precondition exists.","dek_sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 27, lines 37-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 27, lines 37-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 19-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 19-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 13-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 38, lines 13-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 53, lines 11-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 53, lines 11-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 56, lines 39-42","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 56, lines 39-42"}],"dispositions":[],"latest_court_document_date":"2013-12-02T00:00:00Z","maturity":"official_transcript","official_detail_url":"https://www.supremecourt.gov/oral_arguments/argument_transcript/2013","official_disposition_urls":[],"official_docket_url":"https://www.supremecourt.gov/docket/docketfiles/html/public/12-138.html","primary_docket":"12-138","revisions":[{"correction_note":"Rewritten to the concise citizen-facing editorial standard.","created_at":"2026-08-30T21:16:40.701161Z","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 who decides if a treaty precondition exists."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 27, lines 37-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 27, lines 37-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 19-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 19-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 13-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 38, lines 13-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 53, lines 11-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 53, lines 11-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 56, lines 39-42","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 56, lines 39-42"}]},{"heading":"How the case got here","paragraphs":["The Supreme Court heard oral argument in this case on December 2, 2013."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 7-17","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 7-17"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 54, lines 29-35","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 54, lines 29-35"}]},{"heading":"What each side wants","paragraphs":["BG Group wants an arbitrator to decide the precondition.","Argentina wants a court to decide the precondition."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 27, lines 37-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 27, lines 37-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 19-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 19-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 13-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 38, lines 13-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 53, lines 11-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 53, lines 11-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 56, lines 39-42","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 56, lines 39-42"}]},{"heading":"What each side says","paragraphs":["BG Group argues the treaty creates a standing offer to arbitrate.","Argentina argues this is a contract formation issue for courts."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 27, lines 37-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 27, lines 37-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 19-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 19-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 13-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 38, lines 13-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 53, lines 11-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 53, lines 11-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 56, lines 39-42","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 56, lines 39-42"}]},{"heading":"What the justices asked","paragraphs":["Justice Sotomayor asked if consent determines the decision-maker.","Justice Alito asked if U.S. law applies to the arbitration."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 10, lines 31-39","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 10, lines 31-39"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 11, lines 29-3","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 11, lines 29-3"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 21-37","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 12, lines 21-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 21-35","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 13, lines 21-35"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 15, lines 9-35","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 15, lines 9-35"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 45-1","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 45-1"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 4, lines 17-45","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 4, lines 17-45"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 4, lines 49-5","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 4, lines 49-5"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 5, lines 17-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 5, lines 17-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 54, lines 29-35","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 54, lines 29-35"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 54, lines 45-47","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 54, lines 45-47"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 55, lines 19-25","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 55, lines 19-25"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 55, lines 39-45","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 55, lines 39-45"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 58, lines 44-48","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 58, lines 44-48"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 60, lines 11-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 60, lines 11-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 61, lines 13-19","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 61, lines 13-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 61, lines 49-1","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 61, lines 49-1"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 13-19","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 8, lines 13-19"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 23-29","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 8, lines 23-29"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 8, lines 45-15","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 8, lines 45-15"}]},{"heading":"Why it matters","paragraphs":["This dispute defines the boundary between courts and arbitrators. It shapes how investors enforce treaty rights. It impacts global investment stability."],"sources":[{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 27, lines 37-21","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 27, lines 37-21"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 3, lines 19-43","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 3, lines 19-43"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 38, lines 13-23","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 38, lines 13-23"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 53, lines 11-27","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 53, lines 11-27"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 56, lines 39-42","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 56, lines 39-42"}]},{"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 10, lines 31-39","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 10, lines 31-39"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 11, lines 29-3","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 11, lines 29-3"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 12, lines 21-37","official_url":"https://www.supremecourt.gov/oral_arguments/argument_transcripts/2013/12-138_8l9c.pdf","page_label":"file page 12, lines 21-37"},{"evidence_type":"Transcript","label":"Official Supreme Court Transcript — file page 13, lines 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