Authority and currency
About this authority
- Publisher
- Supreme Court of the United States
- Standing
- Primary authority
- Version
- 221 U.S. 1 (1911)
- Relevant parts
- 221 U.S. 1; opinion and decree
- Currency
- current · checked Aug 7, 2026
The official reporter supports the procedural posture, holding, reasoning, and decree of the 1911 case. It will anchor a historical entry connecting monopoly, market power, the Sherman Act, and the institutional response to Standard Oil.
The opinion is not evidence that every large firm is a monopoly or that economic market power automatically proves a legal violation. Later doctrine must be checked before making any current legal claim.