Marley v. Cannon’s Empirical Analysis
1980
Citation profile
24 state decisions
How this case has been cited
Cited by 24 later decisions — most recently December 2025
24 state decisions
Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.
Relationships
Relies on Myers v. Bethlehem Shipbuilding Corp. · McKart v. United States · Leedom v. Kyne · Prentis v. Atlantic Coast Line Co. · McGee v. United States
Most-quoted passages
The sentences later courts lift from this opinion, ranked by how many decisions quote each — the parts of the opinion doing the work. These counts are smaller than the citation total above because most of the 24 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“"generally, an officer or agency has, by implication and in addition to the powers expressly given by statute, such powers as are necessary for the due and efficient exercise of the powers expressly granted, or such as may be fairly implied from the statute granting the express powers. However, an agency created by statute may only exercise the powers granted by statute and cannot expand those powers by its own authority."”
8 later decisions quote this exact passage“an agency created by statute may only exercise the powers granted by statute and cannot expand those powers by its own authority.”
5 later decisions quote this exact passage“is a well settled rule of judicial administration to aid in the orderly administration of justice and to prevent transfer to the courts of duties imposed by law on administrative agencies.”
1 later decision quote this exact passage
How this case has been treated — in progress
Whether each later court followed, distinguished, criticized, or overruled this decision. The treatment classification (task #35) runs highest-cited cases first and lights up here as it reaches this one.