| holding | case | year |
| Established the Supreme Court's power to strike down acts of United States Congress that were in conflict with the Constitution. | |
| The court stated the doctrine of implied powers, from the Necessary and Proper Clause at Article I, section 8. To fulfill its goal, the federal government may use any means the con | |
| The power to regulate interstate navigation is granted to Congress by the Commerce Clause of the Constitution. | |
| Blacks, whether free or slaves, cannot be U.S. citizens. Consequently, they cannot sue in federal courts. Also, slavery cannot be outlawed in the western territories before they ac | |
| Segregated facilities for blacks and whites are constitutional under the doctrine of separate but equal, which held for close to 60 years. | |
| Established the idea that 'clear and present danger' in certain speech is not protected by the First Amendment. Schenck's attempts to obstruct recruitment processes were perceived | |
| Established the “fighting words doctrine” that some words are not protected under the First Amendment because they are tantamount to violent actions. | |
| American citizens of Japanese descent can be interned and deprived of basic constitutional rights; first application of the strict scrutiny test. | |
| Government reimbursing transportation costs to and from Catholic schools does not violate the Establishment Clause of the First Amendment; however, a wall of separation must be ere | |
| segregated schools in the several states are unconstitutional in violation of the 14th Amendment. Found that 'The 'separate but equal' doctrine adopted in Plessy v. Ferguson, 163 U | |
| Evidence obtained by searches and seizures in violation of the United States Constitution is inadmissible in a criminal trial in a state court. | |
| Government-directed prayer in public schools, even if it is denominationally neutral and non-mandatory, violates the Establishment Clause of the First Amendment. | |
| Anyone charged with a serious criminal offense has the right to an attorney and the state must provide one if they are unable to afford legal counsel | |
| Public officials, to prove they were libelled, must show not only that a statement is false, but also that it has been published with malicious intent. | |
| Interstate commerce, and hence the Federal Civil Rights Act of 1964 (prohibiting discrimination against blacks) applies to places of public accommodation patronized by interstate t | |
| A person in police custody has the right to speak to an attorney. | |
| Married people are entitled to use contraception and making it a crime to sell to them same is unconstitutional. (A later case, Eisenstadt v. Baird, extended this to unmarried adul | |
| Police must advise criminal suspects of their rights under the Constitution to remain silent, to consult with a lawyer and to have one appointed if he is an indigent. The interroga | |
| Evidence obtained by wiretapping a public phonebooth without a warrant is not admissible in court, just as if a private phone line had been eavesdropped. | |
| Laws that prohibit marriage between races (anti-miscegenation statutes) are unconstitutional. | |
| Mere advocacy of the use of force, or of violation of law (in this case, by a Ku Klux Klan leader) is protected by the 1st Amendment free speech clause. Only inciting others to tak | |
| One should not be convicted for wearing a jacket in a courtroom emblazoned with the phrase '**** the Draft' (in the Vietnam War context), as this is communication, protected by the | |
| To be obscene, a work must fail several tests to determine its value to society, essentially having 'no redeeming social value' to be so declared. | |