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{{short description|System of courts that interprets and applies the law}}
[[File:Melbourne Federal Court.JPG|thumb|right|333px|The Commonwealth Law Courts Building in [[Place:Melbourne|Melbourne]], the location of the Melbourne branches of the Federal Circuit Court of Australia, the Federal Court of Australia, the Family Court of Australia, as well as occasional High Court of Australia sittings]]

The '''judiciary''' (also known as the '''judicial system''', '''judicature''', '''judicial branch''', '''judiciative branch''', and '''court or judiciary system''') is the system of courts that interprets and applies [[Philosophy:Law|law]] in legal cases.

== Definition ==
The judiciary is the system of courts that interprets and applies the [[Philosophy:Law|law]] in the name of the [[Earth:State (polity)|state]]. The judiciary can also be thought of as the mechanism for the resolution of disputes. Under the doctrine of the [[Philosophy:Separation of powers|separation of powers]], the judiciary generally does not make statutory law (which is the responsibility of the [[Social:Legislature|legislature]]) or enforce law (which is the responsibility of the [[Social:Executive (government)|executive]]), but rather interprets law and applies it to the facts of each case. However, in some countries the judiciary does make common law.

In many jurisdictions the judicial branch has the power to change laws through the process of judicial review. Courts with judicial review power may annul the laws and rules of the state when it finds them incompatible with a higher norm, such as primary legislation, the provisions of the constitution, treaties or [[Finance:International law|international law]]. Judges constitute a critical force for interpretation and implementation of a constitution, thus in common law countries creating the body of constitutional law.

== History ==

This is a more general overview of the development of the judiciary and judicial systems over the course of history.

=== Roman judiciary ===

==== Archaic Roman Law (650–264 BC) ====
The most important part was ''Ius Civile'' (Latin for "civil law"). This consisted of ''Mos Maiorum'' (Latin for "way of the ancestors") and ''Leges'' (Latin for "laws"). ''Mos Maiorum'' was the rules of conduct based on social norms created over the years by predecessors. In 451–449 BC, the ''Mos Maiorum'' was written down in the Twelve Tables.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=67, 68|oclc=299718438|date=25 June 2009}}</ref><ref>{{Cite book|title=Historical Introduction to the Study of Roman Law|last=Jolowicz|first=H.F.|publisher=|year=1952|isbn=|location=Cambridge|pages=108}}</ref><ref>Crawford, M.H. 'Twelve Tables' in Simon Hornblower, Antony Spawforth, and Esther Eidinow (eds.) ''Oxford Classical Dictionary'' (4th ed.)</ref> ''Leges'' were rules set by the leaders, first the kings, later the popular assembly during the Republic. In these early years, the legal process consisted of two phases. The first phase, ''In Iure'', was the judicial process. One would go to the head of the judicial system (at first the priests as law was part of religion) who would look at the applicable rules to the case. Parties in the case could be assisted by jurists.<ref>{{Cite book|title=De Oratore|last=Cicero, Marcus Tullius|date=2011|publisher=Cambridge University Press|isbn=9780521593601|oclc=781329456}}</ref> Then the second phase would start, the ''Apud Iudicem''. The case would be put before the judges, which were normal Roman citizens in an uneven number. No experience was required as the applicable rules were already selected. They would merely have to judge the case.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=69–75, 92–93|oclc=299718438|date=25 June 2009}}</ref>

==== Pre-classical Roman Law (264–27 BC) ====
The most important change in this period was the shift from priest to praetor as the head of the judicial system. The praetor would also make an edict in which he would declare new laws or principles for the year he was elected. This edict is also known as praetorian law.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=85–86|oclc=299718438|date=25 June 2009}}</ref><ref>{{Cite book|title=History of Roman Legal Science|last=Schulz|first=Fritz|publisher=Oxford University|year=1953|isbn=|location=Oxford|pages=53}}</ref>

==== Principate (27 BC–284 AD) ====
The Principate is the first part of the Roman Empire, which started with the reign of Augustus. This time period is also known as the "classical era of Roman Law" In this era, the praetor's edict was now known as ''edictum perpetuum'', which were all the edicts collected in one edict by Hadrian. Also, a new judicial process came up: ''cognitio extraordinaria'' (Latin for "extraordinary process").<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=105–106|oclc=299718438|date=25 June 2009}}</ref><ref>{{Cite web|url=https://www.britannica.com/topic/Roman-legal-procedure#ref1109518|title=Roman Legal Procedure|last=The Editors of Encyclopaedia Britannica|date=3 May 2019|website=Britannica}}</ref> This came into being due to the largess of the empire. This process only had one phase, where the case was presented to a professional judge who was a representative of the emperor. Appeal was possible to the immediate superior.

During this time period, legal experts started to come up. They studied the law and were advisors to the emperor. They also were allowed to give legal advise on behalf of the emperor.<ref>{{Cite journal|last=|first=|date=2 November 2016|editor-last=du Plessis|editor-first=Paul J.|editor2-last=Ando|editor2-first=Clifford|editor3-last=Tuori|editor3-first=Kaius|title=The Oxford Handbook of Roman Law and Society|journal=Oxford Handbooks Online|volume=|pages=153|doi=10.1093/oxfordhb/9780198728689.001.0001|isbn=9780198728689}}</ref>
[[File:Corpus iuris ciuilis lugdvni 1607.jpg|thumb|''Corpus Iuris Civilis'', 1607]]

==== Dominate (284–565 AD) ====
This era is also known as the "post-classical era of roman law". The most important legal event during this era was the Codification by Justinianus: the Corpus Iuris Civilus.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=109–113|oclc=299718438|date=25 June 2009}}</ref> This contained all Roman Law. It was both a collection of the work of the legal experts and commentary on it, and a collection of new laws. The ''Corpus Iuris Civilus'' consisted of four parts:

# ''Institutiones'': This was an introduction and a summary of roman law.
# ''Digesta/Pandectae'': This was the collection of the edicts.
# ''Codex'': This contained all the laws of the emperors.
# ''Novellae'': This contained all new laws created.

=== Middle Ages ===

During the late Middle Ages, education started to grow. First education was limited to the monasteries and abbies, but expanded to cathedrals and schools in the city in the 11th century, eventually creating universities.<ref>{{Cite book|title=Worlds of Medieval Europe|last=Backman|first=C.R.|publisher=Oxford University Press|year=2014|isbn=|location=|pages=232–237, 247–252}}</ref> The universities had five faculties: arts, medicine, theology, canon law and ''Ius Civile'', or civil law. Canon law, or ecclesiastical law are laws created by the Pope, head of the Roman Catholic Church.  The last form was also called secular law, or Roman law. It was mainly based on the ''Corpus Iuris Civilis,'' which had been rediscovered in 1070. Roman law was mainly used for "worldly" affairs, while canon law was used for questions related to the church.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=248–252|oclc=299718438|date=25 June 2009}}</ref>

The period starting in the 11th century with the discovery of the ''Corpus Iuris Civilis'' is also called the [[Philosophy:Scholasticism|Scholastics]], which can be divided in the early and late scholastics. It is characterised with the renewed interest in the old texts.

==== Ius Civile ====
===== Early scholastics (1070–1263) =====
The rediscovery of the Digesta from the ''Corpus Iuris Civilis'' led the university of Bologna to start teaching Roman law.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=252–254|oclc=299718438|date=25 June 2009}}</ref> Professors at the university were asked to research the Roman laws and advise the Emperor and the Pope with regards to the old laws. This led to the [[Social:Glossator|Glossator]]s to start translating and recreating the ''Corpus Iuris Civilis'' and create literature around it:

*''Glossae'': translations of the old Roman laws
*''Summae'': summaries
*''Brocardica'': short sentences that made the old laws easier to remember, a sort of mnemonic
*''Quaestio Disputata'' (''sic et non''): a dialectic method of seeking the argument and refute it.<ref>{{Cite book|title=Introduction to Reformed Scholasticism|last=van Asselt, Willem J. |publisher=|others=Pleizier, Theo., Rouwendal, P. L. (Pieter Lourens), 1973–, Wisse, Maarten, 1973–|year=|isbn=9781601783196|location=Grand Rapids, Mich.|pages=}}</ref>

Accursius wrote the ''[[Religion:Glossa Ordinaria|Glossa Ordinaria]]'' in 1263, ending the early scholastics.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=254–257|oclc=299718438|date=25 June 2009}}</ref>

===== Late scholastics (1263–1453) =====
The successors of the Glossators were the [[Philosophy:Postglossator|Post-Glossators]] or Commentators. They looked at a subject in a logical and systematic way by writing comments with the texts, treatises and ''consilia'', which are advises given according to the old Roman law.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=257–261|oclc=299718438|date=25 June 2009}}</ref><ref>{{Cite journal|last=Skyrms|first=J.F.|date=1980|title=Commentators on The Roman Law|url=|journal=Books at Iowa|volume=no. 32|pages=3–14|via=https://doi.org/10.17077/0006-7474.1414}}</ref>

==== Canon Law ====
[[File:Graciano.jpg|thumb|203x203px|Gratian]]

===== Early Scholastics (1070–1234) =====
Canon law knows a few forms of laws: the ''canones'', decisions made by Councils, and the ''decreta'', decisions made by the Popes. The monk Gratian, one of the well-known [[Social:Decretist|decretist]]s, started to organise all of the church law, which is now known as the ''[[Social:Decretum Gratiani|Decretum Gratiani]]'', or simply as ''Decretum''. It forms the first part of the collection of six legal texts, which together became known as the ''Corpus Juris Canonici''. It was used by canonists of the Roman Catholic Church until Pentecost (19 May) 1918, when a revised ''Code of Canon Law'' (''Codex Iuris Canonici'') promulgated by Pope Benedict XV on 27 May 1917 obtained legal force.<ref>{{Cite journal|title=Benedict XV, Pope|doi = 10.1163/1877-5888_rpp_sim_01749}}</ref><ref>{{Cite book|title=Worlds of Medieval Europe|last=Backman|first=C.R.|publisher=Oxford University Press|year=2014|isbn=|location=|pages=237–241}}</ref><ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=261–265|oclc=299718438|date=25 June 2009}}</ref>

===== Late Scholastics (1234–1453) =====
The [[Social:Decretalist|Decretalist]]s, like the post-glossators for ''Ius Civile'', started to write treatises, comments and advises with the texts.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=265|oclc=299718438|date=25 June 2009}}</ref><ref>{{Cite book|title=The Eucharist in Medieval Canon Law|last=Izbicki|first=T.M.|publisher=Cambridge University Press|year=2015|isbn=9781107124417|location=|pages=xv}}</ref>

==== Ius Commune ====
Around the 15th century a process of reception and acculturation started with both laws. The final product was known as ''[[Social:Jus commune|Ius Commune]]''. It was a combination of canon law, which represented the common norms and principles, and Roman law, which were the actual rules and terms. It meant the creation of more legal texts and books and a more systematic way of going through the legal process.<ref>{{Cite book|title=Church and Roman law|last=Dębiński, Antoni|date=2010|publisher=Wydawnictwo KUL|isbn=9788377020128|location=Lublin|pages=82–96}}</ref> In the new legal process, appeal was possible. The process would be partially inquisitorial, where the judge would actively investigate all the evidence before him, but also partially adversarial, where both parties are responsible for finding the evidence to convince the judge.<ref>{{Cite book|title=European legal history: a cultural and political perspective|last=Lesaffer, Randall|publisher=|translator=Arriens, Jan |isbn=9780521877985|location=Cambridge, UK|pages=265–266, 269–274|oclc=299718438|date=25 June 2009}}</ref>

[[File:JMR-Memphis1.jpg|thumb|[[Lady Justice|Lady Justice]] (Latin: ''Justicia''), symbol of the judiciary.<ref>Hamilton, Marci.  ''[https://books.google.com/books?id=Ox4_vqFCjcEC&pg=PA296 God vs. the Gavel]'', p. 296 (Cambridge University Press 2005): "The symbol of the judicial system, seen in courtrooms throughout the United States, is blindfolded Lady Justice."</ref><ref>Fabri, Marco.  ''[https://books.google.com/books?id=AwwH0F8iC9QC&pg=PA137 The challenge of change for judicial systems]'', p, 137 (IOS Press 2000): "the judicial system is intended to be apolitical, its symbol being that of a blindfolded Lady Justice holding balanced scales."</ref> Statue at Shelby County Courthouse, Memphis, Tennessee]]
After the {{wipe|French Revolution}}, lawmakers stopped interpretation of law by judges, and the legislature was the only body permitted to interpret the law; this prohibition was later overturned by the Napoleonic Code.<ref>Cappelletti, Mauro et al.  ''[https://books.google.com/books?id=gC2sAAAAIAAJ&pg=PA150 The Italian Legal System]'', p. 150 (Stanford University Press 1967).</ref>

==Functions of the judiciary in different law systems==
In common law jurisdictions, courts interpret law; this includes constitutions, statutes, and regulations. They also make law (but in a limited sense, limited to the facts of particular cases) based upon prior case law in areas where the legislature has not made law. For instance, the tort of [[Social:Negligence|negligence]] is not derived from statute law in most common law jurisdictions. The term ''common law'' refers to this kind of law. Common law decisions set precedent for all courts to follow. This is sometimes called [[Social:Precedent|''stare decisis'']].

In civil law jurisdictions, courts interpret the law, but are prohibited from ''creating'' law, and thus do not issue rulings more general than the actual case to be judged. In other words, they do not set precedent. [[Social:Jurisprudence|Jurisprudence]] does not necessarily play a similar role to case law. Courts can decide if they follow jurisprudence in a given case or not.

Country-specific functions
In the United States court system, the Supreme Court is the final authority on the interpretation of the federal Constitution and all statutes and regulations created pursuant to it, as well as the constitutionality of the various state laws; in the US federal court system, federal cases are tried in trial courts, known as the US district courts, followed by appellate courts and then the Supreme Court. State courts, which try 98% of litigation,<ref name="ABACourtStructure">American Bar Association (2004). [http://public.findlaw.com/abaflg/flg-2-2a-4.html How the Legal System Works: The Structure of the Court System, State and Federal Courts] {{Webarchive|url=https://web.archive.org/web/20100716082358/http://public.findlaw.com/abaflg/flg-2-2a-4.html |date=16 July 2010 }}. In ''ABA Family Legal Guide''.</ref> may have different names and organization; trial courts may be called "courts of common plea", appellate courts "superior courts" or "commonwealth courts".<ref>[http://www.quickmba.com/law/sys/ The American Legal System] {{Webarchive|url=https://web.archive.org/web/20100213110318/http://www.quickmba.com/law/sys/ |date=13 February 2010 }}.</ref> The judicial system, whether state or federal, begins with a court of first instance, is appealed to an appellate court, and then ends at the court of last resort.<ref>Public Services Department. {{cite web |url=http://www.law.syr.edu/Pdfs/0Intro%20Court%20System.pdf |title=Introduction to the Courth system |publisher=Syracuse University College of Law |url-status=dead |archiveurl=https://web.archive.org/web/20110727230318/http://www.law.syr.edu/Pdfs/0Intro%20Court%20System.pdf |archivedate=27 July 2011 }}</ref>

In {{wipe|France}}, the final authority on the interpretation of the law is the Council of State for administrative cases, and the Court of Cassation for civil and criminal cases.

In the {{wipe|China}}, the final authority on the interpretation of the law is the National People's Congress.

Other countries such as {{wipe|Argentina}} have mixed systems that include lower courts, appeals courts, a cassation court (for criminal law) and a Supreme Court. In this system the Supreme Court is always the final authority, but criminal cases have four stages, one more than civil law does. On the court sits a total of nine justices. This number has been changed several times.

==Judicial systems by country==

{{hatnote |For judicial systems of individual countries other than Japan, Mexico, and the US (for which see below), and some US states, see "Judiciary of...".}}

=== Japan ===

{{wipe|Japan}}'s process for selecting judges is longer and more stringent than in various countries, like the {{wipe|United States}} and in Mexico.<ref>{{cite web|last1=Grider|first1=Alisa|title=How the Judicial System Works Around The World|url=https://chicagoinjurycenter.com/cook-county-court-system/|accessdate=23 May 2006|archive-url=https://web.archive.org/web/20141019070548/http://chicagoinjurycenter.com/cook-county-court-system/|archive-date=19 October 2014|url-status=live}}</ref> Assistant judges are appointed from those who have completed their training at the Legal Training and Research Institute located in Wako. Once appointed, assistant judges still may not qualify to sit alone until they have served for five years, and have been appointed by the Supreme Court of Japan. Judges require ten years of experience in practical affairs, as a public prosecutor or practicing attorney. In the Japanese judicial branch there is the Supreme Court, eight high courts, fifty district courts, fifty family courts, and 438 summary courts.<ref>{{cite web|last=Mosleh|first=Peter|title=Japan's Judiciary|url=http://smu.edu/ecenter/discourse/Mosleh.htm|publisher=Southern Methodist University|accessdate=20 April 2013|url-status=dead|archiveurl=https://web.archive.org/web/20130526105546/http://smu.edu/ecenter/discourse/Mosleh.htm|archivedate=26 May 2013}}</ref><ref>{{cite web|title=The Japanese Judicial System|url=http://www.kantei.go.jp/foreign/judiciary/0620system.html|accessdate=20 April 2013|archive-url=https://web.archive.org/web/20130116032711/http://www.kantei.go.jp/foreign/judiciary/0620system.html|archive-date=16 January 2013|url-status=live}}</ref>

=== Mexico ===
Justices of the Mexican Supreme Court are appointed by the President of Mexico, and then are approved by the Mexican Senate to serve for a life term. Other justices are appointed by the Supreme Court and serve for six years. Federal courts consist of the 21 magistrates of the Supreme Court, 32 circuit tribunals and 98 district courts. The Supreme Court of Mexico is located in [[Place:Mexico City|Mexico City]]. Supreme Court Judges must be of ages 35 to 65 and hold a law degree during the five years preceding their nomination.<ref>{{cite web|title=Mexico-Judicial Legislative|url=http://www.mongabay.com/history/mexico/mexico-judicial_legislative.html|accessdate=20 April 2013|archive-url=https://web.archive.org/web/20130619075912/http://www.mongabay.com/history/mexico/mexico-judicial_legislative.html|archive-date=19 June 2013|url-status=live}}</ref>

=== United States ===

 
United States Supreme Court justices are appointed by the President of the United States and approved by the United States Senate. The Supreme Court justices serve for a life term or until retirement. The Supreme Court is located in [[Place:Washington, D.C.|Washington, D.C.]] The United States federal court system consists of 94 federal judicial districts. The 94 districts are then divided up into twelve regional circuits. The United States has five different types of courts that are considered subordinate to the Supreme Court: United States bankruptcy courts, United States Court of Appeals for the Federal Circuit, United States Court of International Trade, United States courts of appeals, and United States district courts.<ref>{{cite web|title=The Judicial Branch|url=http://www.whitehouse.gov/our-government/judicial-branch|publisher=The White House|accessdate=20 April 2013|url-status=dead|archiveurl=https://web.archive.org/web/20130418044711/http://www.whitehouse.gov/our-government/judicial-branch|archivedate=18 April 2013}}</ref><ref>{{cite web|title=Federal Courts|url=http://www.uscourts.gov/FederalCourts.aspx|accessdate=20 April 2013|archive-url=https://web.archive.org/web/20130422070440/http://www.uscourts.gov/FederalCourts.aspx|archive-date=22 April 2013|url-status=live}}</ref>

Immigration courts are not part of the judicial branch; immigration judges are employees of the Executive Office for Immigration Review, part of the United States Department of Justice in the executive branch.

==See also==
* Bench (law)
* Supreme court
* [[Social:Political corruption|Political corruption]]
* [[Philosophy:Judicial independence|Judicial independence]]
* Judicial review
* [[Philosophy:Rule according to higher law|Rule according to higher law]]
* [[Philosophy:Rule of law|Rule of law]]

==Further reading==
{{ref begin}}
* Cardozo, Benjamin N. (1998). ''The Nature of the Judicial Process''. New Haven: Yale University Press.
* Feinberg, Kenneth, Jack Kress, Gary McDowell, and Warren E. Burger (1986). ''The High Cost and Effect of Litigation'', 3 vols.
* Frank, Jerome (1985). ''Law and the Modern Mind''. Birmingham, AL: Legal Classics Library.
* Levi, Edward H. (1949) ''An Introduction to Legal Reasoning''. Chicago: [[Organization:University of Chicago Press|University of Chicago Press]].
* Marshall, Thurgood (2001). ''Thurgood Marshall:  His Speeches, Writings, Arguments, Opinions and Reminiscences''. Chicago:  Lawrence Hill Books.
* McCloskey, Robert  G., and Sanford Levinson (2005). ''The American Supreme Court'', 4th ed. Chicago: University of Chicago Press.
* Miller, Arthur S. (1985). ''Politics, Democracy and the Supreme Court: Essays on the Future of Constitutional Theory''. Westport, CT: Greenwood Press.
* {{cite encyclopedia |last=Sandefur |first= Timothy|editor-first=Ronald |editor-last=Hamowy |encyclopedia=The Encyclopedia of Libertarianism |chapter= Judiciary |url= https://books.google.com/books?id=yxNgXs3TkJYC |doi=10.4135/9781412965811.n160 |year=2008 |publisher= SAGE; [[Organization:Cato Institute|Cato Institute]] |location= Thousand Oaks, CA |isbn= 978-1-4129-6580-4 |oclc=750831024| lccn = 2008009151 |pages= 265–67 |quote= |ref= }}
* Tribe, Laurence (1985). ''God Save This Honorable Court: How the Choice of Supreme Court Justices Shapes Our History''. New York: Random House.
* Zelermyer, William (1977). ''The Legal System in Operation''. St. Paul, MN: West Publishing.
{{ref end}}

==References==
{{Reflist}}

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[[Category:Forms of government| ]]

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