Stare decisis
Encyclopedia
Stare decisis is a legal principle by which judges are obliged to respect the precedent
Precedent
In common law legal systems, a precedent or authority is a principle or rule established in a legal case that a court or other judicial body may apply when deciding subsequent cases with similar issues or facts...

s established by prior decisions. The words originate from the phrasing of the principle in the Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

 maxim Stare decisis et non quieta movere: "to stand by decisions and not disturb the undisturbed." In a legal context, this is understood to mean that courts should generally abide by precedents and not disturb settled matters.

Principle

The principle of stare decisis can be divided into two components.
The first is the rule that a decision made by a superior court is binding precedent
Binding precedent
In law, a binding precedent is a precedent which must be followed by all lower courts under common law legal systems. In English law it is usually created by the decision of a higher court, such as the Supreme Court of the United Kingdom, which took over the judicial functions of the House of...

 (also known as mandatory authority) which an inferior court cannot change. The second is the principle that a court should not overturn its own precedents unless there is a strong reason to do so and should be guided by principles from lateral and inferior courts. The second principle, regarding persuasive precedent
Persuasive precedent
Persuasive precedent is precedent or other legal writing that is related to the case at hand but is not a binding precedent on the court under common law legal systems such as English law. However, persuasive authority may guide the judge in making the decision in the instant case...

, is an advisory one which courts can and do ignore occasionally.

Verticality

Generally, a common law court system has trial court
Trial court
A trial court or court of first instance is a court in which trials take place. Such courts are said to have original jurisdiction.- In the United States :...

s, intermediate appellate court
Appellate court
An appellate court, commonly called an appeals court or court of appeals or appeal court , is any court of law that is empowered to hear an appeal of a trial court or other lower tribunal...

s and a supreme court
Supreme court
A supreme court is the highest court within the hierarchy of many legal jurisdictions. Other descriptions for such courts include court of last resort, instance court, judgment court, high court, or apex court...

. The inferior courts conduct almost all trial proceedings. The inferior courts are bound to obey precedents established by the appellate court for their jurisdiction, and all supreme court precedent.

The Supreme Court of California
Supreme Court of California
The Supreme Court of California is the highest state court in California. It is headquartered in San Francisco and regularly holds sessions in Los Angeles and Sacramento. Its decisions are binding on all other California state courts.-Composition:...

's explanation of this principle is that
Appellate courts are only bound to obey supreme court decisions.

The application of the doctrine of stare decisis from a superior court to an inferior court is sometimes called vertical stare decisis.

However, in federal systems the division between federal and local law may result in complex interactions. For example, state courts in the United States are not considered inferior to federal courts but rather constitute a parallel court system. While state courts must follow decisions of the United States Supreme Court on issues of federal law, federal courts must follow decisions of the courts of each state on issues of that state's law
Erie doctrine
In United States law, the Erie doctrine is a fundamental legal doctrine of civil procedure mandating that a federal court in diversity jurisdiction must apply state substantive law....

. If there is no decision on point from the highest court of a state, the federal courts must attempt to predict how the state courts would resolve the issue, by looking at decisions from state appellate courts at all levels. Decisions of the lower federal courts (i.e. the federal circuit courts and district courts) are not binding on any state courts, meaning that interpretations of certain federal statutes can and occasionally have diverged depending upon whether the forum is state or federal. In practice, however, judges in one system will almost always choose to follow relevant case law in the other system to prevent divergent results and to minimize forum shopping
Forum shopping
Forum shopping is the informal name given to the practice adopted by some litigants to get their legal case heard in the court thought most likely to provide a favorable judgment...

.

Horizontality

The idea that a judge is bound by (or at least should respect) decisions of earlier judges of similar or coordinate level is called horizontal stare decisis.

In the United States federal court system, the intermediate appellate courts are divided into "circuits". Each panel of judges on the court of appeals
United States court of appeals
The United States courts of appeals are the intermediate appellate courts of the United States federal court system...

 for a circuit is bound to obey the prior appellate decisions of the same circuit. Precedents of a United States court of appeals may be overruled only by the court en banc, that is, a session of all the active appellate judges of the circuit, or by the United States Supreme Court.

When a court binds itself, this application of the doctrine of precedent is sometimes called horizontal stare decisis. The State of New York has a similar appellate structure as it is divided into four appellate departments
New York Supreme Court, Appellate Division
The Supreme Court of the State of New York, Appellate Division is the intermediate appellate court in New York State. The Appellate Division is composed of four departments .*The First Department covers the Bronx The Supreme Court of the State of New York, Appellate Division is the intermediate...

 supervised by the final New York State Court of Appeals
Court of Appeals
A court of appeals is an appellate court generally.Court of Appeals may refer to:*Military Court of Appeals *Corte d'Assise d'Appello *Philippine Court of Appeals*High Court of Appeals of Turkey*United States courts of appeals...

. Decisions of one appellate department are not binding upon another, and in some cases the departments differ considerably on interpretations of law.

Development

Early English common law
Common law
Common law is law developed by judges through decisions of courts and similar tribunals rather than through legislative statutes or executive branch action...

 did not have or require the stare decisis doctrine for a range of legal and technological reasons:
  • During the formative period of the common law, the royal courts constituted only one among many fora in which in the English could settle their disputes. The royal courts operated alongside and in competition with ecclesiastic, manorial, urban, mercantile, and local courts.
  • Royal courts were not organised into a hierarchy, instead different royal courts (exchequer, common pleas, king’s bench, and chancery) were in competition with each other.
  • Substantial law on almost all matters was neither legislated nor codified, eliminating the need for courts to interpret legislation.
  • Common law's main distinctive features and focus were not substantial law, which was customary law, but procedural.
  • The practice of citing previous cases was not to find binding legal rules but as evidence of custom.
  • Customary law was not a rational and consistent body of rules and does not require a system of binding precedents.
  • before the printing press, the state of the written records of cases rendered the stare decisis doctrine utterly impracticable.


These features changed over time, opening the door to the doctrine of stare decisis:

U.S. legal system

In the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, which uses a common law
Common law
Common law is law developed by judges through decisions of courts and similar tribunals rather than through legislative statutes or executive branch action...

 system in its state courts and to a lesser extent in its federal courts, the Ninth Circuit Court of Appeals
United States Court of Appeals for the Ninth Circuit
The United States Court of Appeals for the Ninth Circuit is a U.S. federal court with appellate jurisdiction over the district courts in the following districts:* District of Alaska* District of Arizona...

 has stated:
In other words, stare decisis applies to the holding of a case, rather than to obiter dicta ("things said by the way"). As the United States Supreme Court has put it: "dicta may be followed if sufficiently persuasive but are not binding."

In the United States Supreme Court, the principle of stare decisis is most flexible in constitutional cases:
For example, in the years 1946–1992, the U.S. Supreme Court reversed itself in about 130 cases. The U.S. Supreme Court has further explained as follows:
The United States Supreme Court has stated that where a court gives multiple reasons for a given result, each alternative reason that is "explicitly" labeled by the court as an "independent" ground for the decision is not treated as "simply a dictum."

English legal system

The doctrine of binding precedent or stare decisis is basic to the English legal system, and to the legal systems that derived from it such as those of Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

, Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

, New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

, Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

, Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

, Malaysia and South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

. A precedent is a statement made of the law by a Judge in deciding a case. The doctrine states that within the hierarchy of the English courts a decision by a superior court will be binding on inferior courts. This means that when judges try cases they must check to see if similar cases have been tried by a court previously. If there was a precedent set by an equal or superior court, then a judge should obey that precedent. If there is a precedent set by an inferior court, a judge does not have to follow it, but may consider it. The Supreme Court (previously the House of Lords) however does not have to obey its own precedents.

Only the statements of law are binding. This is known as the reason for the decision or ratio decidendi
Ratio decidendi
Ratio decidendi is a Latin phrase meaning "the reason" or "the rationale for the decision." The ratio decidendi is "[t]he point in a case which determines the judgment" or "the principle which the case establishes."...

. All other reasons are "by the way" or obiter dictum
Obiter dictum
Obiter dictum is Latin for a statement "said in passing". An obiter dictum is a remark or observation made by a judge that, although included in the body of the court's opinion, does not form a necessary part of the court's decision...

. See Rondel v. Worsley [1969] 1 AC 191. A precedent does not bind a court if it finds there was a lack of care in the original “Per Incuriam”. For example, if a statutory provision or precedent had not been brought to the previous court's attention before its decision, the precedent would not be binding. Also, if a court finds a material difference between cases then it can choose not to be bound by the precedent. Persuasive precedents are those that have been set by courts lower in the hierarchy. They may be persuasive, but are not binding. Most importantly, precedents can be overruled by a subsequent decision by a superior court or by an Act of Parliament.

Last resort and strict stare decisis in Scotland

The British House of Lords
Judicial functions of the House of Lords
The House of Lords, in addition to having a legislative function, historically also had a judicial function. It functioned as a court of first instance for the trials of peers, for impeachment cases, and as a court of last resort within the United Kingdom. In the latter case the House's...

, as the court of last appeal outside Scotland before the creation of the UK Supreme Court, was not strictly bound to always follow its own decisions until the case London Street Tramways v London County Council [1898] AC 375. After this case, once the Lords had given a ruling on a point of law, the matter was closed unless and until Parliament made a change by statute. This is the most strict form of the doctrine of stare decisis (one not applied, previously, in common law jurisdictions, where there was somewhat greater flexibility for a court of last resort to review its own precedents).

This situation changed, however, after the issuance of the Practice Statement
Practice Statement
Practice Statement [1966] 3 All ER 77, was a statement made in the House of Lords by Lord Gardiner, L.C., on July 26, 1966 on behalf of himself and the Lords of Appeal in ordinary....

 of 1966. It enabled the House of Lords to adapt English law to meet changing social conditions. In R v G & R 2003, the House of Lords overruled its decision in Caldwell 1981, which had allowed the Lords to establish mens rea
Mens rea
Mens rea is Latin for "guilty mind". In criminal law, it is viewed as one of the necessary elements of a crime. The standard common law test of criminal liability is usually expressed in the Latin phrase, actus non facit reum nisi mens sit rea, which means "the act does not make a person guilty...

 ("guilty mind") by measuring a defendant's conduct against that of a "reasonable person," regardless of the defendant's actual state of mind.

However, the Practice Statement has been seldom applied by the House of Lords, usually only as a last resort. As of 2005, the House of Lords has rejected its past decisions no more than 20 times. They are reluctant to use it because they fear to introduce uncertainty into the law. In particular, the Practice Statement stated that the Lords would be especially reluctant to overrule themselves in criminal cases because of the importance of certainty of that law. The first case involving criminal law to be overruled with the Practice Statement was Anderton v Ryan (1985), which was overruled by R v Shivpuri (1986), two decades after the Practice Statement. Remarkably, the precedent overruled had been made only a year before, but it had been criticised by several academic lawyers. As a result, Lord Bridge stated he was "undeterred by the consideration that the decision in Anderton v Ryan was so recent. The Practice Statement is an effective abandonment of our pretention to infallibility. If a serious error embodied in a decision of this House has distorted the law, the sooner it is corrected the better." Still, the House of Lords has remained reluctant to overrule itself in some cases; in R v Kansal (2002), the majority of House members adopted the opinion that R v Lambert had been wrongly decided and agreed to depart from their earlier decision.

Interpretation

Judges in the U.K use three primary rules for interpreting the law.
The normal aids that a judge has include access to all previous cases in which a precedent has been set, and a good English dictionary.

Under the literal rule, the judge should do what the actual legislation states rather than trying to do what the judge thinks that it means. The judge should use the plain everyday ordinary meaning of the words, even if this produces an unjust or undesirable outcome. A good example of problems with this method is R v Maginnis (1987) in which several judges found several different dictionary meanings of the word "supply". Another example might be Fisher v Bell, where it was held that a shopkeeper who placed an illegal item in a shop window with a price tag did not make an offer to sell it, because of the specific meaning of "offer for sale" in contract law. As a result of this case, Parliament amended the statute concerned to end this discrepancy.

The golden rule
Golden rule (law)
In law, the Golden rule, or British rule, is a form of statutory construction traditionally applied by English courts. The other two are the “plain meaning rule” and the “mischief rule.”...

 is used when use of the literal rule would obviously create an absurd result. The court must find genuine difficulties before it declines to use the literal rule. There are two ways in which the Golden Rule can be applied: the narrow method, and the broad method. Under the narrow method, when there are apparently two contradictory meanings to a word used in a legislative provision or it is ambiguous, the least absurd is to be used. For example, in Adler v George (1964), the defendant was found guilty under the Official Secrets Act of 1920. The court chose not to accept the wording literally. Under the broad method, the court may reinterpret the law at will when it is clear that there is only one way to read the statute. This occurred in Re Sigsworth (1935) where a man who murdered his mother was forbidden from inheriting her estate, despite a statute to the contrary.

The mischief rule
Mischief rule
The mischief rule is one of three rules of statutory construction traditionally applied by English courts. The other two are the “plain meaning rule” and the “golden rule.”...

 is the most flexible of the interpretation methods. Stemming from Heydon's Case
Heydon's Case
Heydon's Case , Pasch 26 Eliz, plea began 20 Eliz Rot 140, is a landmark case. The case is considered a landmark because it was the first case to use what would come to be called the mischief rule for the interpretation of statutes...

(1584), it allows the court to enforce what the statute is intended to remedy rather than what the words actually say. For example, in Corkery v Carpenter (1950), a man was found guilty of being drunk in charge of a carriage, although in fact he only had a bicycle.

In the United States, the courts have stated consistently that the text of the statute is read as it is written, using the ordinary meaning of the words of the statute.
  • "[I]n interpreting a statute a court should always turn to one cardinal canon before all others. ... [C]ourts must presume that a legislature says in a statute what it means and means in a statute what it says there." Connecticut Nat'l Bank v. Germain, 112 S. Ct. 1146, 1149
    Case citation
    Case citation is the system used in many countries to identify the decisions in past court cases, either in special series of books called reporters or law reports, or in a 'neutral' form which will identify a decision wherever it was reported...

     (1992). Indeed, "[w]hen the words of a statute are unambiguous, then, this first canon is also the last: 'judicial inquiry is complete.' "
  • "A fundamental rule of statutory construction requires that every part of a statute be presumed to have some effect, and not be treated as meaningless unless absolutely necessary." Raven Coal Corp. v. Absher, 153 Va. 332
    Case citation
    Case citation is the system used in many countries to identify the decisions in past court cases, either in special series of books called reporters or law reports, or in a 'neutral' form which will identify a decision wherever it was reported...

    , 149 S.E. 541 (1929).
  • "In assessing statutory language, unless words have acquired a peculiar meaning, by virtue of statutory definition or judicial construction, they are to be construed in accordance with their common usage." Muller v. BP Exploration (Alaska) Inc., 923 P.2d 783, 787–88 (Alaska 1996);

Practical application

Although inferior courts are bound in theory by superior court precedent, in practice judges may sometimes attempt to evade precedents by distinguishing them on spurious grounds. The appeal of a decision that does not obey precedent might not occur, however, as the expense of an appeal may prevent the losing party from doing so. Thus the inferior court decision may remain in effect even though it does not obey the superior court decision, as the only way a decision can enter the appeal process is by application of one of the parties bound by it.

Judicial resistance

Occasionally, the application of prior case law results in court decisions in which the judge explicitly states personal disagreement with the judgment he or she has rendered, but that he or she is required to do so by binding precedent
Binding precedent
In law, a binding precedent is a precedent which must be followed by all lower courts under common law legal systems. In English law it is usually created by the decision of a higher court, such as the Supreme Court of the United Kingdom, which took over the judicial functions of the House of...

. That is, the issue being judged was already decided by a higher court. Note that inferior courts cannot evade binding precedent of superior courts, but a court can depart from its own prior decisions.

Structural considerations

In the United States, stare decisis can interact in counterintuitive ways with the federal and state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 court systems. On an issue of federal law, a state court is not bound by an interpretation of federal law at the district or circuit level, but is bound by an interpretation by the United States Supreme Court. On an interpretation of state law, whether common law
Common law
Common law is law developed by judges through decisions of courts and similar tribunals rather than through legislative statutes or executive branch action...

 or statutory law
Statutory law
Statutory law or statute law is written law set down by a legislature or by a legislator .Statutes may originate with national, state legislatures or local municipalities...

, the federal courts are bound by the interpretation of a state court of last resort, and are required normally to defer to the precedents of intermediate state courts as well.

Courts may choose to obey precedents of international jurisdictions, but this is not an application of the doctrine of stare decisis, because foreign decisions are not binding. Rather, a foreign decision that is obeyed on the basis of the soundness of its reasoning will be called persuasive authority — indicating that its effect is limited to the persuasiveness of the reasons it provides.

Civil law systems

Stare decisis is not usually a doctrine used in civil law
Civil law (legal system)
Civil law is a legal system inspired by Roman law and whose primary feature is that laws are codified into collections, as compared to common law systems that gives great precedential weight to common law on the principle that it is unfair to treat similar facts differently on different...

 systems, because it violates the principle that only the legislature may make law. However, the civil law system does have jurisprudence constante
Jurisprudence constante
Jurisprudence constante is a legal doctrine according to which a long series of previous decisions applying a particular rule of law is very important and may be determinative in subsequent cases...

, which is similar to Stare decisis and dictates that the Court's decision condone a cohesive and predictable result. In theory, inferior courts are generally not bound to precedents established by superior courts. In practice, the need for predictability means that inferior courts generally defer to precedents by superior courts. In a sense, the most superior courts in civil law jurisdictions, such as the Cour de cassation
Court of Cassation (France)
The French Supreme Court of Judicature is France's court of last resort having jurisdiction over all matters triable in the judicial stream but only scope of review to determine a miscarriage of justice or certify a question of law based solely on points of law...

and the Conseil d'État in France are recognized as being bodies of a quasi-legislative nature.

The doctrine of jurisprudence constante also influences how court decisions are structured. In general, court decisions of common law jurisdictions are extremely wordy and go into great detail as to the how the decision was reached. This occurs to justify a court decision on the basis of previous case law as well as to make it easier to use the decision as a precedent for future cases.

By contrast, court decisions in some civil law jurisdictions (most prominently France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

) tend to be extremely brief, mentioning only the relevant legislation and not going into great detail about how a decision was reached. This is the result of the theoretical view that the court is only interpreting the view of the legislature and that detailed exposition is unnecessary. Because of this, much more of the exposition of the law is done by academic jurists which provide the explanations that in common law nations would be provided by the judges themselves.

In other civil law jurisdictions, such as the German-speaking countries, court opinions tend to be much longer than in France, and courts will frequently cite previous cases and academic writing. However, some courts (such as German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 courts) have less emphasis on the particular facts of the case than common law courts, but have more emphasis on the discussion of various doctrinal arguments and on finding what the correct interpretation of the law is.

Originalism

Originalism
Originalism
In the context of United States constitutional interpretation, originalism is a principle of interpretation that tries to discover the original meaning or intent of the constitution. It is based on the principle that the judiciary is not supposed to create, amend or repeal laws but only to uphold...

 — the doctrine that holds that the meaning of a written text must be applied — is in tension with stare decisis, but is not necessarily opposed irrevocably. As noted above, "Stare decisis is not usually a doctrine used in civil law
Civil law (legal system)
Civil law is a legal system inspired by Roman law and whose primary feature is that laws are codified into collections, as compared to common law systems that gives great precedential weight to common law on the principle that it is unfair to treat similar facts differently on different...

 systems, because it violates the principle that only the legislature may make law"; Justice Antonin Scalia
Antonin Scalia
Antonin Gregory Scalia is an American jurist who serves as an Associate Justice of the Supreme Court of the United States. As the longest-serving justice on the Court, Scalia is the Senior Associate Justice...

 argues in A Matter of Interpretation that America is a civil law nation, not a common law nation. By principle, originalists are generally unwilling to defer to precedent when precedent seems to come into conflict with the Constitution. However, there is still room within an originalist paradigm for stare decisis; whenever the plain meaning
Plain Meaning Rule
The Plain meaning rule, also known as the literal rule, is one of three rules of statutory construction traditionally applied by English courts...

 of the text has alternative constructions, past precedent is generally considered a valid guide, with the qualifier being that it cannot change what the text actually says.

Some originalists may be even more extreme. In his confirmation hearings, Justice Clarence Thomas
Clarence Thomas
Clarence Thomas is an Associate Justice of the Supreme Court of the United States. Succeeding Thurgood Marshall, Thomas is the second African American to serve on the Court....

 answered a question from Senator Strom Thurmond
Strom Thurmond
James Strom Thurmond was an American politician who served as a United States Senator. He also ran for the Presidency of the United States in 1948 as the segregationist States Rights Democratic Party candidate, receiving 2.4% of the popular vote and 39 electoral votes...

, qualifying his willingness to change precedent in this way:
Possibly he has changed his mind, or there are a very large body of cases which merit "the additional step" of ignoring the doctrine; according to Scalia, "Clarence Thomas
Clarence Thomas
Clarence Thomas is an Associate Justice of the Supreme Court of the United States. Succeeding Thurgood Marshall, Thomas is the second African American to serve on the Court....

 doesn't believe in stare decisis, period. If a constitutional line of authority is wrong, he would say, let’s get it right."

Professor Caleb Nelson, a former clerk for Justice Thomas and law professor at the University of Virginia, has elaborated on the role of stare decisis in originalist jurisprudence:
In the United States, the judicial oath prescribes fidelity to the Constitution
United States Constitution
The Constitution of the United States is the supreme law of the United States of America. It is the framework for the organization of the United States government and for the relationship of the federal government with the states, citizens, and all people within the United States.The first three...

, rather than to the U.S. Reports
United States Reports
The United States Reports are the official record of the rulings, orders, case tables, and other proceedings of the Supreme Court of the United States. Opinions of the court in each case, prepended with a headnote prepared by the Reporter of Decisions, and any concurring or dissenting opinions are...

; when the two are demonstrably in conflict, the former may prevail over the latter.

Super stare decisis

During 1976, Richard Posner
Richard Posner
Richard Allen Posner is an American jurist, legal theorist, and economist who is currently a judge on the United States Court of Appeals for the Seventh Circuit in Chicago and a Senior Lecturer at the University of Chicago Law School...

 and William Landes invented the term "super-precedent," in an article they wrote about testing theories of precedent by counting citations. Posner and Landes used this term to describe the influential effect of a decision cited.

While Posner and Landes' idea did not become popular, the term "super-precedent" has subsequently become synonymous with a different idea: the difficulty of overturning a decision. During 1992, Rutgers professor Earl Maltz criticized the Supreme Court's decision in Planned Parenthood v. Casey
Planned Parenthood v. Casey
Planned Parenthood of Southeastern Pennsylvania v. Casey, 505 U.S. 833 was a case decided by the Supreme Court of the United States in which the constitutionality of several Pennsylvania state regulations regarding abortion were challenged...

for endorsing the idea that if one side can control the Court on an issue of major national importance (as in Roe v. Wade
Roe v. Wade
Roe v. Wade, , was a controversial landmark decision by the United States Supreme Court on the issue of abortion. The Court decided that a right to privacy under the due process clause in the Fourteenth Amendment to the United States Constitution extends to a woman's decision to have an abortion,...

), then that side can protect its position from being reversed "by a kind of super-stare decisis." The controversial idea that some decisions are virtually immune from being overturned, regardless of whether they were decided correctly in the first place, is the idea to which the term "super stare decisis" now usually refers.

The concept of super-stare decisis (or “super-precedent”) was mentioned during the interrogations of Chief Justice John Roberts and Justice Samuel Alito
Samuel Alito
Samuel Anthony Alito, Jr. is an Associate Justice of the U.S. Supreme Court. He was nominated by President George W. Bush and has served on the court since January 31, 2006....

 before the Senate Judiciary Committee. Prior to the commencement of the Roberts hearings, the chair of that committee, Senator Arlen Specter
Arlen Specter
Arlen Specter is a former United States Senator from Pennsylvania. Specter is a Democrat, but was a Republican from 1965 until switching to the Democratic Party in 2009...

 of Pennsylvania, wrote an op/ed in the New York Times referring to Roe as a "super-precedent." He revisited this concept during the hearings, but neither Roberts nor Alito endorsed the term or the concept.

Lastly, super-stare decisis may be considered as one extreme of a range of precedential power.

Pros and cons

There is much discussion about the virtue or irrationality of using case law
Case law
In law, case law is the set of reported judicial decisions of selected appellate courts and other courts of first instance which make new interpretations of the law and, therefore, can be cited as precedents in a process known as stare decisis...

 in the context of stare decisis. Supporters of the system, such as minimalists
Minimalism (judicial)
Judicial minimalism refers to a philosophy in United States constitutional law which promotes itself as a politically moderate viewpoint.-Summary and complaints against "judicial extremism":Largely associated with Cass R...

, argue that obeying precedent makes decisions "predictable." For example, a business person can be reasonably assured of predicting a decision where the facts of his or her case are sufficiently similar to a case decided previously. This parallels the arguments against retroactive (ex post facto) laws banned by the U.S. Constitution. However, critics argue that stare decisis is an application of the argument from authority
Argument from authority
Argument from authority is a special type of inductive argument which often takes the form of a statistical syllogism....

 logical fallacy and can result in the preservation and propagation of cases decided wrongly. Another argument often used against the system is that it is undemocratic
Democracy
Democracy is generally defined as a form of government in which all adult citizens have an equal say in the decisions that affect their lives. Ideally, this includes equal participation in the proposal, development and passage of legislation into law...

 as it allows unelected judges to make law (irrelevant as judges can be and, in some jurisdictions, are elected.)
A counter-argument (in favor of the concept of stare decisis) is that if the legislature
Legislature
A legislature is a kind of deliberative assembly with the power to pass, amend, and repeal laws. The law created by a legislature is called legislation or statutory law. In addition to enacting laws, legislatures usually have exclusive authority to raise or lower taxes and adopt the budget and...

 wishes to alter the case law (other than constitutional interpretations) by statute
Statute
A statute is a formal written enactment of a legislative authority that governs a state, city, or county. Typically, statutes command or prohibit something, or declare policy. The word is often used to distinguish law made by legislative bodies from case law, decided by courts, and regulations...

, the legislature is empowered to do so. Critics sometimes accuse particular judges of applying the doctrine selectively, invoking it to support precedents which the judge supported anyway, but ignoring it in order to change precedents with which the judge disagreed.

Regarding constitutional interpretations, there is concern that over-reliance on the doctrine of stare decisis can be subversive. An erroneous precedent may at first be only slightly inconsistent with the Constitution, and then this error in interpretation can be propagated and increased by further precedents until a result is obtained that is greatly different from the original understanding of the Constitution. Stare decisis is not mandated by the Constitution, and if it causes unconstitutional results then the historical evidence of original understanding can be re-examined. In this opinion, predictable fidelity to the Constitution is more important than fidelity to unconstitutional precedents. See also the living tree doctrine
Living tree doctrine
In Canadian law, the living tree doctrine is a doctrine of constitutional interpretation that says that a constitution is organic and must be read in a broad and progressive manner so as to adapt it to the changing times....

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