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The Supreme Court of the United States stands as the pinnacle of the American judicial system, wielding extraordinary power to shape the nation’s laws, protect constitutional rights, and influence the course of society. Established pursuant to Article III, Section 1 of the Constitution in 1789, the Supreme Court currently consists of nine justices who serve as the final arbiters of legal disputes that reach the highest level of judicial review. Understanding how this institution functions, how justices make their decisions, and the profound impact of landmark rulings provides essential insight into the American legal framework and democratic governance.
What Is the Supreme Court and Its Constitutional Foundation?
The Supreme Court represents the judicial branch of the United States government, serving as the highest court in the federal judiciary. It has original jurisdiction over a small range of cases, such as suits between two or more states, and those involving ambassadors, and it also has ultimate appellate jurisdiction over all federal court and state court cases that involve a point of constitutional or statutory law. This dual jurisdiction allows the Court to hear certain cases directly while also serving as the final court of appeal for disputes that have worked their way through lower courts.
Currently, there are nine justices on the Court, and before taking office, each justice must be appointed by the President and confirmed by the Senate, with justices holding office during good behavior, typically for life. This lifetime appointment is designed to insulate justices from political pressure and allow them to make decisions based on legal principles rather than electoral considerations. The Court’s composition has not always been fixed at nine members—the Constitution places the power to determine the number of justices in the hands of Congress, with the first Judiciary Act of 1789 setting the number at six, fluctuating from a low of five to a high of ten over the years, until the Judiciary Act of 1869 fixed the number at nine.
The Court’s authority extends beyond simply deciding individual cases. The Court has the power of judicial review, the ability to invalidate a statute for violating a provision of the Constitution or an executive act for being unlawful, though it may act only within the context of a case in an area of law over which it has jurisdiction. This power of judicial review, though not explicitly stated in the Constitution, was established through landmark precedent and remains one of the Court’s most significant functions.
The Power of Judicial Review: Marbury v. Madison
One of the most foundational concepts in American constitutional law is judicial review—the Supreme Court’s authority to determine whether laws passed by Congress or actions taken by the executive branch comply with the Constitution. This power was not explicitly granted in the Constitution but was established through one of the most important cases in American legal history.
With the Marbury v. Madison decision, the Court ruled that Congress does not have the power to pass laws that override the Constitution, giving the judicial branch the power to determine whether Congress’s actions were constitutional or not, with much of the Court’s influence over policy derived from this decision and the power of judicial review. Chief Justice John Marshall’s opinion in this 1803 case fundamentally transformed the role of the Supreme Court, establishing it as a co-equal branch of government with the authority to check the powers of both Congress and the President.
The principle articulated in Marbury v. Madison remains central to the Court’s function today. Every time the Supreme Court strikes down a law as unconstitutional or upholds a challenged statute, it exercises the power of judicial review established more than two centuries ago. This authority makes the Court a crucial guardian of constitutional rights and a check on potential governmental overreach.
How Cases Reach the Supreme Court
The Supreme Court does not hear every case that parties wish to bring before it. In fact, the vast majority of requests for Supreme Court review are denied. Most of the cases the Supreme Court hears are appeals from lower courts, and the process of getting a case before the justices involves several specific procedures.
The Petition for Certiorari
There is no absolute right to have the Court hear an appeal, and someone who wants to appeal to the Court must file a petition for a writ of certiorari. The term “certiorari” comes from Latin, meaning “to be informed,” and represents a request for the Supreme Court to review a lower court’s decision.
The Court receives approximately 7,000-8,000 petitions for a writ of certiorari each term, but the Court grants and hears oral argument in about 80 cases. This means that less than 1-2% of petitions are actually accepted for full review. The justices are highly selective about which cases they choose to hear, focusing on those with the greatest legal significance or those that resolve conflicts between lower courts.
The Rule of Four
The decision to grant a writ of certiorari does not require a majority—only four of the nine justices must agree to grant a writ of certiorari. This “Rule of Four” ensures that a minority of justices can bring important cases before the full Court for consideration, even if a majority might initially be skeptical.
The Court may be more likely to grant a writ of certiorari if lower courts have reached clashing decisions on the issue, or if it has broad national significance. When federal appeals courts in different parts of the country reach contradictory conclusions on the same legal question, the Supreme Court often steps in to resolve the conflict and establish a uniform rule of law across the nation.
Types of Cases the Court Hears
While most Supreme Court cases arrive through the certiorari process, the Court also has original jurisdiction over certain types of disputes. Cases which fall under the court’s original jurisdiction go straight to the court, without having a trial or an appeal in a lower court first, and these traditionally involve such things as disputes between two or more states over matters like boundaries or water rights, or between states and the federal government.
The Court’s discretionary control over its docket is a relatively modern development. Before 1925, many categories of cases carried an automatic right of appeal to the Supreme Court, meaning the justices did not have discretion over what cases they heard, but that changed with Chief Justice William Howard Taft, whose efforts led to the passage of the Judiciary Act of 1925, which solidified the cert process as the main pathway for Supreme Court review. This change allowed the Court to focus its limited time and resources on the most important legal questions facing the nation.
The Supreme Court Decision-Making Process
Once the Supreme Court agrees to hear a case, it follows a carefully structured process that includes written briefs, oral arguments, private conferences, and the drafting of opinions. Understanding each stage of this process reveals how nine individuals with different judicial philosophies work together to resolve some of the nation’s most challenging legal questions.
Written Briefs and Legal Arguments
If the justices decide to accept a case, the case is placed on the docket, and according to the Supreme Court’s rules, the petitioner has a certain amount of time to write a brief, not to exceed 50 pages, putting forth his/her legal case concerning the issue on which the Court granted review, after which the respondent is given a certain amount of time to file a respondent’s brief, also not to exceed 50 pages.
These briefs represent the core legal arguments that each side presents to the Court. They cite relevant precedents, constitutional provisions, statutory language, and policy considerations that support their position. The quality of these briefs can significantly influence how justices think about the case before oral arguments even begin.
People or entities that are not parties in the case can also submit briefs, called amicus curiae briefs, or amicus briefs for short, with “amicus curiae” meaning “friend of the court” in Latin, and at least in theory, the purpose of these briefs is to assist the Court in deciding the case, with high-profile cases sometimes having a very large number of amicus briefs—in Dobbs, for example, there were more than 140 amicus briefs. These friend-of-the-court briefs allow interested organizations, legal scholars, government entities, and advocacy groups to share their perspectives on how the Court should rule.
Oral Arguments Before the Court
When the Court is sitting, public sessions begin promptly at 10 a.m., with the justices generally hearing two oral arguments in the morning, with occasional afternoon sessions scheduled as necessary, and public sessions are typically held on Mondays, Tuesdays, and Wednesdays.
The justices then read the briefs in the case, and the Supreme Court holds oral argument, which is when the lawyers on each side get to state their case and the justices get to ask questions, with these arguments usually lasting under two hours. During oral arguments, justices frequently interrupt attorneys with pointed questions, hypothetical scenarios, and challenges to their reasoning. These exchanges provide insight into the justices’ thinking and allow them to test the strength of each side’s arguments.
Oral arguments serve multiple purposes. They allow justices to clarify points that may have been unclear in the written briefs, explore the practical implications of different legal rules, and signal to their colleagues which aspects of the case they find most important. For attorneys, oral argument represents a crucial opportunity to persuade the Court, though the outcome is often heavily influenced by the written briefs and the justices’ prior research.
The Justices’ Conference
When oral arguments are concluded, the justices have to decide the case at what is known as the Justices’ Conference, and when Court is in session, there are two conferences scheduled per week—one on Wednesday afternoon and one on Friday afternoon. These conferences are among the most secretive aspects of Supreme Court operations.
According to Supreme Court protocol, only the justices are allowed in the Conference room at this time—no police, law clerks, secretaries, etc.—and the Chief Justice calls the session to order and, as a sign of the collegial nature of the institution, all the justices shake hands. This tradition of shaking hands before conference emphasizes that despite their disagreements on legal issues, the justices maintain respect for one another as colleagues.
According to Supreme Court protocol, all justices have an opportunity to state their views on the case and raise any questions or concerns they may have, with each justice speaking without interruptions from the others, as the Chief Justice makes the first statement, then each justice speaks in descending order of seniority, ending with the most junior justice. This structured discussion ensures that every justice’s voice is heard and that senior justices do not dominate the conversation.
Once the statements have ended, the Chief Justice votes first, and the Associate Justices vote in descending order of seniority, with the votes counted, and then a justice selected to write the opinion of the Court. Each justice has a single vote in deciding the cases argued before the court, and when in the majority, the chief justice decides who writes the opinion of the court; otherwise, the most senior justice in the majority assigns the task.
Writing and Circulating Opinions
Once the majority opinion draft is ready, the authoring justice circulates it to the full Court, and at that point, any other justice can decide to “join” the opinion, can request changes to the opinion before joining, or can decide to write a separate opinion. This circulation process can lead to significant revisions as the opinion author works to maintain a majority coalition.
After the majority opinion circulates, any dissent will circulate as well, and sometimes the dissenting justice waits to read the majority opinion before writing, but sometimes he or she may have the draft ready to go as soon as the majority opinion draft circulates in the hopes of persuading other justices to change their minds. In rare cases, a persuasive dissent can actually flip votes and transform what was initially a dissent into the majority opinion.
In some cases—often the most closely watched cases—one or more justices might write a dissenting opinion, explaining why they disagree with the majority and why they would decide the case differently, and one or more justices might write a concurring opinion—often agreeing with the majority on who should win the case, but offering some additional thoughts on how to think about the constitutional issue in the case. These separate opinions can be influential in shaping future legal developments, as today’s dissent may become tomorrow’s majority view.
What Makes a Decision “Landmark”?
Not all Supreme Court decisions carry equal weight or significance. While the Court decides dozens of cases each term, only a handful are remembered as truly transformative. Landmark decisions are those rulings that fundamentally reshape American law, establish new constitutional principles, protect fundamental rights, or overturn long-standing precedents.
Landmark court decisions change the interpretation of existing law in the United States, and such a decision may settle the law in more than one way, including distinguishing a new principle that refines an existing principle, thus departing from prior practice without violating the rule of stare decisis, or establishing a test or a measurable standard that can be applied by courts in future decisions.
Several factors contribute to a decision achieving landmark status. The case may resolve a fundamental question about constitutional rights, such as freedom of speech, equal protection, or due process. It may establish a new legal framework that lower courts will apply for decades to come. Or it may overturn a previous Supreme Court decision that had become widely viewed as unjust or inconsistent with constitutional values.
Landmark Supreme Court cases have shaped history and have an impact on law-abiding citizens today. These decisions extend far beyond the courtroom, influencing social movements, political debates, and the daily lives of millions of Americans. Understanding these landmark cases provides essential context for comprehending how American society has evolved and how constitutional principles are applied to contemporary challenges.
Landmark Decisions on Civil Rights and Equality
Some of the Supreme Court’s most consequential decisions have addressed questions of civil rights, racial equality, and discrimination. These cases have helped define what equality means under the Constitution and have driven profound social change.
Brown v. Board of Education (1954)
Brown v. Board of Education (1954) is one of the most famous and impactful Supreme Court cases in American history, as in a unanimous decision, the Court declared that state laws establishing separate public schools for Black and white students were unconstitutional. This decision represented a watershed moment in American civil rights history.
The Brown decision is heralded as a landmark decision in Supreme Court history, overturning Plessy v. Ferguson (1896) which had created the “separate but equal” doctrine. In Plessy v. Ferguson (1896), the Supreme Court sanctioned segregation by upholding the doctrine of “separate but equal,” but the National Association for the Advancement of Colored People disagreed with this ruling, challenging the constitutionality of segregation in the Topeka, Kansas, school system, and in 1954, the Court reversed its Plessy decision, declaring that “separate schools are inherently unequal”.
The Brown decision did not immediately end school segregation—implementation faced massive resistance in many parts of the country. However, it established the constitutional principle that state-sponsored racial segregation violated the Equal Protection Clause of the Fourteenth Amendment, providing the legal foundation for the broader civil rights movement of the 1950s and 1960s.
Loving v. Virginia (1967)
Another landmark civil rights case addressed laws prohibiting interracial marriage. In Loving v. Virginia, the Supreme Court unanimously struck down Virginia’s ban on interracial marriage, holding that such laws violated both the Equal Protection Clause and the Due Process Clause of the Fourteenth Amendment. The decision invalidated similar laws in 16 states and established that the right to marry is a fundamental liberty that cannot be restricted based on race.
Obergefell v. Hodges (2015)
In 2015, the Supreme Court extended marriage equality to same-sex couples in Obergefell v. Hodges. The Court held that the Fourteenth Amendment requires states to license marriages between two people of the same sex and to recognize such marriages performed in other states. This decision represented the culmination of decades of advocacy for LGBTQ+ rights and fundamentally changed the legal landscape regarding marriage in America.
Landmark Decisions on Criminal Justice and Rights of the Accused
The Supreme Court has issued numerous landmark decisions defining the rights of individuals accused of crimes, establishing procedural protections that balance law enforcement needs with constitutional liberties.
Miranda v. Arizona (1966)
In Miranda v. Arizona in 1966, the Supreme Court considered four separate cases where defendants confessed to crimes after they were arrested and interrogated by police without being informed of their right to have an attorney present, with the named petitioner being Ernesto Miranda, who was arrested by Phoenix police and charged with kidnapping and rape, and Miranda was not informed of his right to counsel, and after a two-hour interrogation, he signed a confession admitting to the crimes.
In a 5–4 decision, Chief Justice Earl Warren agreed that the interrogation had violated the Fifth Amendment’s protection against self-incrimination. The Court found that the Fifth and Sixth Amendments require police to inform individuals in custody that they have a right to remain silent and to be assisted by an attorney.
The Miranda decision led to the now-familiar “Miranda warnings” that police must provide before custodial interrogation: “You have the right to remain silent. Anything you say can and will be used against you in a court of law. You have the right to an attorney. If you cannot afford an attorney, one will be provided for you.” These warnings have become deeply embedded in American legal culture and represent a crucial protection against coerced confessions.
Gideon v. Wainwright (1963)
The Court addressed whether the Constitution requires that any individual charged with a felony, but unable to pay for a lawyer, be guaranteed the free assistance of legal counsel, and according to a unanimous Supreme Court, the answer was yes, as the Court held that the Sixth Amendment right to assistance of counsel applies to criminal state trials and that “lawyers in criminal court are necessities, not luxuries”.
Along with the right to assistance for state criminal defendants, the Gideon decision had the effect of expanding public defender systems across the country. This decision ensured that poverty would not prevent defendants from receiving adequate legal representation, fundamentally changing the criminal justice system and protecting the rights of indigent defendants.
Mapp v. Ohio (1961)
In Mapp v. Ohio, the Supreme Court established the “exclusionary rule,” holding that evidence obtained through illegal searches and seizures cannot be used in state criminal prosecutions. This decision extended Fourth Amendment protections against unreasonable searches and seizures to state courts, creating a powerful deterrent against police misconduct and protecting privacy rights.
Landmark Decisions on Free Speech and First Amendment Rights
The First Amendment’s protections for freedom of speech, press, religion, and assembly have been the subject of numerous landmark Supreme Court decisions that have defined the scope and limits of these fundamental freedoms.
Tinker v. Des Moines (1969)
To protest the Vietnam War, Mary Beth Tinker and her brother wore black armbands to school, and fearing a disruption, the administration prohibited wearing such armbands, but the Tinkers were removed from school when they failed to comply, and the Supreme Court ruled that their actions were protected by the First Amendment. The Court’s famous declaration that students do not “shed their constitutional rights to freedom of speech or expression at the schoolhouse gate” established important protections for student speech.
Texas v. Johnson (1989)
To protest the policies of the Reagan administration, Gregory Lee Johnson burned an American flag outside of the Dallas City Hall, and he was arrested for this act, but argued that it was symbolic speech, and the Supreme Court agreed, ruling that symbolic speech is constitutionally protected even when it is offensive. This controversial decision affirmed that the First Amendment protects even deeply offensive forms of political expression.
Schenck v. United States (1919)
The Court addressed whether certain speech, including sending antiwar pamphlets to drafted men, made in wartime and deemed in violation of the Espionage Act, was protected by the First Amendment, ruling no, and although the defendant would have been able to state his views during ordinary times, the Court held that in certain circumstances, like the nation being at war, justify such limits on the First Amendment, with the Schenck decision best known for creating the “clear and present danger” test meaning that speech could be restricted if it presented a clear and present danger.
While the “clear and present danger” test has since been modified by subsequent decisions, Schenck established the principle that First Amendment protections are not absolute and that speech can be restricted in certain limited circumstances when it poses genuine dangers to public safety or national security.
Landmark Decisions on Federal Power and Commerce
The Supreme Court has played a crucial role in defining the balance of power between federal and state governments, particularly regarding Congress’s authority to regulate interstate commerce.
McCulloch v. Maryland (1819)
The Court determined that United States laws trump state laws and consequently, a state could not tax the national bank, and the McCulloch decision established two important principles for constitutional law that continue today: implied powers and federal supremacy. This early decision established that the federal government possesses powers beyond those explicitly enumerated in the Constitution and that federal law takes precedence over conflicting state laws.
Gibbons v. Ogden (1824)
The Court held that it is the role of the federal government to regulate commerce and that state governments cannot develop their own commerce-regulating laws, and the Court created a wide definition for “commerce,” reasoning that the term encompassed more than just selling and buying, with the impact of Gibbons still felt today as it gives the federal government a much-broader base to regulate economic transactions. This expansive interpretation of the Commerce Clause has provided the constitutional foundation for much of modern federal regulation.
Landmark Decisions on Reproductive Rights
Few areas of constitutional law have generated as much controversy and public debate as reproductive rights, with the Supreme Court’s decisions in this area profoundly affecting millions of Americans.
Roe v. Wade (1973)
The Court concluded that laws restricting abortion violate the Constitution’s right to privacy, and held that, under the Fourteenth Amendment Due Process Clause, states may only restrict abortions toward the end of a pregnancy, in order to protect the life of the woman or the fetus. For nearly five decades, Roe v. Wade established a constitutional right to abortion and created a framework balancing women’s privacy rights with state interests in protecting potential life.
Dobbs v. Jackson Women’s Health Organization (2022)
The issue began when Mississippi’s sole abortion provider challenged the constitutionality of a 2018 state law banning almost all abortions after 15 weeks of pregnancy, with lower courts siding with the health clinic, finding that the law contradicted Supreme Court precedent established in Roe and Planned Parenthood v. Casey, but in Dobbs v. Jackson Women’s Health Organization, the Supreme Court chose to overturn those landmark decisions.
The Court held that the Constitution does not guarantee a right to abortion, as this right isn’t explicitly mentioned in the text, nor is it sufficiently “deeply rooted in the Nation’s history and tradition” to be considered an implied right under the Due Process Clause. This decision represented one of the most significant reversals of precedent in Supreme Court history, returning the regulation of abortion to individual states and creating a patchwork of different abortion laws across the country.
Landmark Decisions on Voting Rights and Political Participation
The Supreme Court has issued numerous decisions affecting voting rights, campaign finance, and political participation, shaping how American democracy functions.
Buckley v. Valeo (1976)
In a decision with a far-reaching impact on the campaign finance system, the Court struck down limits on campaign spending, with its rationale resting on a fundamental premise: money spent in the political process is a form of speech, and consequently, it ruled that curbing expenditures amounted to restricting political speech itself, with the decision greenlighting unlimited campaign spending so long as there wasn’t a compelling government interest justifying a restriction.
The Court did, however, uphold the limits on contributions to political campaigns, ruling that they were necessary for countering “the reality or appearance of improper influence” that large donors could have on candidates. This distinction between contributions and expenditures has shaped campaign finance law for decades, allowing unlimited spending by candidates and independent groups while maintaining some restrictions on direct contributions to campaigns.
Landmark Decisions on Gun Rights
District of Columbia v. Heller (2008)
In 2008, the Supreme Court issued a landmark 2nd Amendment ruling in the case of District of Columbia v. Heller, with the ruling striking down several of Washington D.C.’s strict gun laws, which included a near ban on the possession of handguns by private citizens, as in Heller, the Court ruled for the first time that the Constitution protects American citizens’ right to possess firearms in the home for self-defense and protection.
Before Heller, many legal scholars endorsed a narrower interpretation of the Second Amendment, focused on the right to organize militias rather than to protect one’s home and/or personal property. The Heller decision fundamentally changed Second Amendment jurisprudence by establishing an individual right to bear arms separate from militia service.
The ruling does not prevent all gun control legislation, however, as it simply requires more ingenuity from lawmakers, and though outright handgun bans are no longer considered constitutional, other regulations on handgun ownership may still be enacted, and rather than banning private handgun ownership, cities have instead passed strict background check requirements or mandatory waiting periods, with lawmakers getting more creative, responding to the Court by devising other policy solutions to address violent crime and gun violence.
The Role of Precedent and Stare Decisis
One of the fundamental principles guiding Supreme Court decision-making is stare decisis, a Latin phrase meaning “to stand by things decided.” This doctrine holds that courts should generally follow precedent established in earlier cases, providing stability and predictability to the legal system.
However, the Supreme Court is not absolutely bound by its prior decisions. As of 2020, the court had overruled its own precedents in an estimated 232 cases since 1810. The Court may overturn precedent when it concludes that a prior decision was wrongly decided, has proven unworkable in practice, or is inconsistent with subsequent legal developments.
The tension between respecting precedent and correcting past errors creates ongoing debates within the Court. Some justices emphasize the importance of stability and predictability, arguing that precedent should be overturned only in exceptional circumstances. Others argue that the Court has a duty to correct constitutional errors, even if doing so requires overturning long-standing precedents.
The Impact of Landmark Decisions on American Society
Landmark Supreme Court decisions establish legal precedents that shape policy creation and implementation. The effects of these decisions extend far beyond the parties directly involved in the cases, influencing legislation, executive actions, lower court decisions, and the daily lives of millions of Americans.
When the Supreme Court issues a landmark decision, it often triggers a cascade of consequences. Legislatures may need to revise statutes to comply with the new constitutional standard. Government agencies may need to change their regulations and enforcement practices. Lower courts must apply the new precedent to pending cases. And individuals and organizations adjust their behavior based on the newly clarified legal rules.
Some landmark decisions face significant resistance and take years or even decades to be fully implemented. The Brown v. Board of Education decision, for example, declared school segregation unconstitutional in 1954, but many schools remained segregated for years afterward, requiring additional court orders, federal legislation, and enforcement actions to achieve meaningful integration.
Other decisions generate immediate compliance but spark ongoing political and social debates. The Obergefell decision legalizing same-sex marriage nationwide took effect immediately, but debates continue about religious liberty, adoption rights, and other issues related to LGBTQ+ equality.
Checks and Balances: Limiting Supreme Court Power
While the Supreme Court wields significant power through judicial review and its role as the final interpreter of the Constitution, the Court operates within a system of checks and balances that limits its authority.
Congress can increase the number of justices, giving the president power to influence future decisions by appointments, and Congress can pass legislation that restricts the jurisdiction of the Supreme Court and other federal courts over certain topics and cases, as suggested by language in Section 2 of Article Three, where the appellate jurisdiction is granted “with such Exceptions, and under such Regulations as the Congress shall make”.
Additionally, constitutional amendments can overturn Supreme Court decisions. When the Court interprets the Constitution in a way that Congress and the states find unacceptable, they can amend the Constitution itself to establish a different rule. This has happened several times in American history, such as when the Fourteenth Amendment overturned the Dred Scott decision’s holding that African Americans could not be citizens.
The Court also depends on the executive branch to enforce its decisions. As Alexander Hamilton noted in Federalist No. 78, the judiciary has “no influence over either the sword or the purse” and must rely on the executive branch to implement its rulings. This dependence creates another check on judicial power.
The Supreme Court’s Term and Schedule
Each term consists of alternating periods of approximately two weeks known as “sittings” and “recesses,” with justices hearing cases and delivering rulings during sittings, while they discuss cases and write opinions during recesses. This structured schedule allows justices to balance the demands of hearing oral arguments with the intensive work of researching, writing, and refining their opinions.
Oral arguments typically conclude in April and for the remainder of the term the Court releases orders and opinions, with the Court typically recessing at the end of June, but the work of the justices is unceasing, as during the summer they continue to analyze new petitions for review, consider motions and applications, and must make preparations for cases scheduled for fall argument.
The Court’s annual cycle creates predictable patterns in when major decisions are announced. The most controversial and closely watched cases are often decided in June, as the justices work to complete their opinions before the summer recess. This timing means that landmark decisions frequently arrive in clusters at the end of the term, generating intense media coverage and public attention.
The Role of Law Clerks in Supreme Court Decision-Making
Each Supreme Court justice employs several law clerks—typically recent law school graduates who performed exceptionally well academically. These clerks play important roles in the Court’s work, though the extent of their influence varies among justices.
Before going into the Conference, the justices frequently discuss the relevant cases with their law clerks, seeking to get different perspectives on the case, and at the end of these sessions, sometimes the justices have a fairly good idea of how they will vote in the case; other times, they are still uncommitted. Law clerks research legal issues, review petitions for certiorari, draft bench memoranda summarizing cases before oral argument, and often prepare initial drafts of opinions.
Each justice determines how he or she will vote to accept or reject each certiorari petition, usually calling for a law clerk’s memorandum analyzing the petition, with eight of the justices making use of a “cert pool” system. In the cert pool, law clerks from participating justices’ chambers work together to review petitions and prepare memoranda that are shared among the participating justices, allowing for more efficient processing of the thousands of petitions filed each term.
Public Perception and Legitimacy of the Supreme Court
The Supreme Court’s power ultimately depends on public acceptance of its legitimacy and willingness to comply with its decisions. Unlike the elected branches of government, the Court cannot claim a direct democratic mandate, making public confidence in its impartiality particularly important.
Recent years have seen increased scrutiny of the Court’s role and legitimacy. FiveThirtyEight found the number of unanimous decisions dropped from the 20-year average of nearly 50% to nearly 30% in 2021 while party-line rulings increased from a 60-year average just above zero to a record high 21%, with Ryan Williams pointing to the party-line votes for confirmations of justices as evidence that the court is of partisan importance to the Senate.
A 2024 AP-NORC poll showed 7 in 10 respondents believed the court decides cases to “fit their own ideologies” as opposed to “acting as an independent check on other branches of government by being fair and impartial”. These perceptions raise important questions about how the Court can maintain its legitimacy and public confidence in an era of intense political polarization.
The Future of Landmark Supreme Court Decisions
The Supreme Court continues to face new constitutional questions that will shape American law and society for generations to come. Emerging technologies raise novel questions about privacy, free speech, and government surveillance. Evolving social attitudes create new debates about equality and individual rights. And ongoing political conflicts generate disputes about the proper balance of power between federal and state governments.
Future landmark decisions may address issues such as artificial intelligence and algorithmic decision-making, climate change and environmental regulation, the scope of executive power in emergencies, voting rights and election administration, religious liberty in an increasingly diverse society, and the application of constitutional principles to digital communications and social media platforms.
As these issues reach the Supreme Court, the justices will continue the institution’s long tradition of interpreting the Constitution’s enduring principles in light of contemporary circumstances. The decisions they make will become part of the ongoing dialogue about what the Constitution means and how its protections apply to new challenges unforeseen by the Framers.
Understanding the Supreme Court’s Role in American Democracy
The Supreme Court occupies a unique position in American government as an unelected body with the power to invalidate actions by democratically elected officials. This counter-majoritarian role creates inherent tensions but also serves crucial functions in protecting constitutional rights and maintaining the rule of law.
By serving as the final interpreter of the Constitution, the Court protects minority rights against majority tyranny, ensures that government actions comply with constitutional limits, resolves conflicts between different levels of government and between different branches, and provides stability and predictability through the development of consistent legal principles.
Understanding how the Supreme Court makes landmark decisions—from the initial petition for certiorari through oral arguments, private conferences, opinion drafting, and final publication—reveals the careful deliberative process behind rulings that shape American law and society. While individual decisions may be controversial and justices may disagree sharply about constitutional interpretation, the institution itself remains a cornerstone of American constitutional democracy.
For citizens seeking to understand American government and law, knowledge of the Supreme Court’s role and landmark decisions is essential. These decisions affect fundamental rights, shape public policy, and reflect ongoing debates about constitutional values. By studying landmark cases and understanding the Court’s decision-making process, Americans can better participate in democratic discourse about the Constitution’s meaning and engage with the legal issues that affect their lives.
The Supreme Court’s landmark decisions represent more than just legal rulings—they embody the nation’s evolving understanding of constitutional principles, reflect changing social values, and demonstrate how a document written more than two centuries ago continues to guide American democracy. As new challenges emerge and society continues to evolve, the Court will undoubtedly issue new landmark decisions that future generations will study as pivotal moments in American legal and social history.
For those interested in learning more about Supreme Court procedures and landmark cases, valuable resources include the official Supreme Court website, the U.S. Courts educational resources on Supreme Court landmarks, SCOTUSblog for current Supreme Court news and analysis, the National Constitution Center for constitutional education, and the Oyez Project for audio recordings and transcripts of oral arguments.