Not necessarily. Nearly half the US Supreme Court's decisions each year are issued with no opinion, and go unnoticed by the press and public. Of the remaining approximately 70-80 cases in which the justices hear arguments and issue a full written opinion, all have at least one opinion (the opinion of the Court, or majority), but some also have a varying number of concurring and/or dissenting opinions, as well.
There are several other types of opinions the Supreme Court may issue. For more information, see Related Questions, below.
The majority decision in a case before the Supreme Court is called the "opinion of the Court." The opinion is preceded by a Syllabus that summarizes the case and opinion; the full opinion elaborates on the Court's reasoning and case law cited as precedents.For more information on US Supreme Court opinions, see Related Questions, below.
The opinion is the Supreme Court's decision on a case, usually accompanied by a written explanation that includes the reasoning and legal precedents used.
The dissenting opinion.
The written explanation for the US Supreme Court's decision is called an opinion.See Related Questions for an expanded explanation.
Majority opinion
Opinion
Majority opinion
Majority opinion
dissenting opinion
concurring opinion
In the Supreme Court, the written decision and legal reasoning for a case is called an Opinion.
Majority opinion - Also called the "Opinion of the Court," this is the official verdict in the case that represents the vote of the majority of justicesPlurality opinion - In a case where no opinion received majority support, a plurality is the opinion joined by the most justices