
Unlike the other 49 states in the US, Louisiana does not follow the common law tradition. Instead, it follows a civil law system, derived from the French and Spanish Napoleonic Code. Louisiana's civil law system is code-based, with judges interpreting and applying the code rules to the cases they preside over. While Louisiana's criminal law largely rests on common law, its civil law differs in how it is codified, interpreted, and practised.
| Characteristics | Values |
|---|---|
| Louisiana's criminal law | Follows common law |
| Louisiana's private law | Follows civil law |
| Basis of private law | French, Spanish codes, and Roman law |
| Louisiana's administrative law | Similar to federal government and other states |
| Louisiana's procedural law | Similar to other U.S. states |
| Louisiana's legal system | Hybrid, with civil law and common law influences |
| Louisiana's constitution | Does not contain a right to a trial by jury in civil cases |
| Louisiana's appellate courts | Broader discretion to review findings of fact by juries in civil cases |
| Louisiana's damages | Differently apportioned from common law jurisdictions |
| Louisiana's commercial law | Does not adopt Articles 2 and 2A of the UCC |
| Louisiana's civil procedure law | Complies with U.S. Federal Rules of Civil Procedure |
| Louisiana's legal framework | Based on French law, with an emphasis on legislative statutes |
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What You'll Learn

Louisiana's legal system is a hybrid
Louisiana's legal system is unique in the United States. Unlike the other 49 states, which follow the common law system, Louisiana's legal system is a hybrid, with civil law at its core and some common law influences.
Louisiana's civil law tradition can be traced back to its French and Spanish colonial history and the Napoleonic Code. The first Louisiana civil code, Digeste de la Loi Civile, was written in French and enacted in 1808. This code was problematic because it did not repeal prior Spanish law, which remained in effect unless contradicted by the new code. In response, a new, fuller code was drafted in French and English, the Civil Code of 1825, which formally repealed prior existing law. The similarities between the Louisiana Civil Code and the Napoleonic Code are due to their shared roots in French and Spanish legal systems.
Louisiana's civil law system is code-based, with judges interpreting and applying codified rules to specific cases. While a judge's decision may impact future cases, their interpretation of the law is generally limited to the specific case they are deciding. In contrast, the common law system used in other states is based on judicial interpretation and precedent. Louisiana judges do consider precedent in their decisions, but it is not binding, and they have more flexibility in interpreting the law.
Louisiana's legal system stands apart from other states in several ways. For example, Louisiana's constitution does not contain a right to a trial by jury in civil cases, and appellate courts have broader discretion in reviewing findings of fact by juries in civil cases. Louisiana's private law, including areas such as property law, contractual law, and family law, is strongly influenced by Roman law. Louisiana's criminal law, on the other hand, largely follows common law, with similar procedural law to other states.
Overall, Louisiana's legal system is a hybrid, blending civil law traditions with common law influences. This unique blend reflects the state's diverse historical influences and has resulted in a legal system that differs from the rest of the United States.
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Louisiana's criminal law is based on common law
Louisiana's legal system is unique in the United States, differing from the other 49 states. While the remaining states follow the common law system, Louisiana's legal system is based on civil law, derived from the French and Spanish Napoleonic Code. This is due to Louisiana's unique history, having once been owned by France and Spain.
Louisiana's criminal law, however, does largely rest on common law. This means that criminal cases in the state follow the more commonly used common law method. Criminal law refers to cases that are usually prosecuted by the state for crimes that have been committed. The consequences of criminal law include jail time, fines, and other forms of punishment. Louisiana's criminal law differs from its civil law in that it is based on the judicial interpretation of laws, which is a key feature of common law.
In contrast, Louisiana's civil law is a code-based system, where legislators address specific legal areas through statutes or codified rules. When a judge hears a civil case, they interpret the code rules and apply them to the case at hand. This interpretation of the law is a key aspect of Louisiana's civil law system, which favours this over a more objective or traditional view of the law. While civil law has its own respect for established precedent, the doctrine of jurisprudence constante, it is considered a secondary source of law and is not binding.
Louisiana's legal system is therefore a hybrid, with its criminal law based on common law and its civil law based on the Napoleonic Code, with some common law influences. Louisiana's private law, for example, has a civil law character, based on French and Spanish codes, with some common law influences. Louisiana's administrative law is generally similar to that of the federal government and other states, and its procedural law is in line with other states, which is based on the U.S. Federal Rules of Civil Procedure.
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Louisiana's civil law is derived from the French Napoleonic Code
Louisiana is the only state in the United States that follows civil law, while the other 49 states follow common law. Louisiana's civil law is derived from the French Napoleonic Code, which was established by Napoleon Bonaparte. This code was adopted from France and guides the legal system in the state. Louisiana's civil code, the Digeste de la Loi Civile, was written in French and subsequently translated into English as The Digest of the Civil Laws now in Force in the Territory of Orleans, commonly known as the Digest of 1808. It was enacted on March 31, 1808, and was based on French and Spanish codes, ultimately stemming from Roman law.
The Napoleonic Code, also known as the Civil Code, originated in two countries with civil law systems: Spain and France. Due to Louisiana's colonial history, the state's legal system is influenced by both Spanish and French law. The term "codified" refers to the civil legal system in Louisiana, which is a compilation of laws and legislation. Louisiana's civil law tradition does not include the right to a trial by jury in civil cases, and appellate courts have broader discretion in reviewing findings of fact by juries in civil cases.
The Louisiana Civil Code consists of 3,556 individual code articles and is based on a judge's interpretation of the codified statutes. While precedent can guide a judge's decision, they have more discretion to interpret the law itself, which can lead to different applications of the same law in similar cases. Louisiana law also uses different terminology than other states, such as referring to "Succession and Donations" instead of "Trust and Estates."
Louisiana's criminal law largely rests on common law, and its administrative and procedural laws are generally similar to those of other states. Overall, Louisiana's legal system is a hybrid, influenced by both civil law and common law traditions.
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Louisiana judges interpret the code rules and apply them to cases
Louisiana is the only state in the US that does not follow common law for private law matters. Instead, it follows civil law, which is based on French and Spanish codes and ultimately Roman law, with some common law influences. The first Louisiana civil code, Digeste de la Loi Civile, was written in French and enacted on March 31, 1808. It was translated into English as The Digest of the Civil Laws now in Force in the Territory of Orleans, or the Digest of 1808. However, this code proved problematic as the Louisiana Supreme Court later found that the previous Spanish law had not been repealed and was still in effect insofar as it did not contradict the Digest.
In response, the General Assembly tasked Justice Derbigny and attorneys Moreau-Lislet and Livingston with drafting a new, fuller code in both French and English, which formally repealed prior law. This code, the Civil Code of 1825, was enacted on April 12, 1824. Despite efforts to ensure consistency between the two versions, some clauses were found only in one or the other. Today, the differences between the original French and English translations are primarily of historical interest.
Under Louisiana's civil law system, judges interpret the code rules and apply them to the cases before them. This means that a judge's decision in one case does not create a binding precedent for future cases, as it would in a common law system. Instead, Louisiana judges have more flexibility to interpret the law based on the specific facts and circumstances of each case.
While Louisiana's civil code has evolved over time, it still retains some influences from its French and Spanish origins. For example, Louisiana's private law is still based on civil law, while its criminal law largely rests on common law. Additionally, Louisiana's administrative law is generally similar to that of the federal government and other states, and its procedural law is in line with that of other U.S. states. However, Louisiana has not adopted certain provisions of the Uniform Commercial Code (UCC) that conflict with its civil law traditions.
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Louisiana's civil law is different from common law in other states
Louisiana is the only state in the US whose private legal system is based on civil law, rather than the traditional American common law. Louisiana's civil law is derived from the French and Spanish Napoleonic Code, which was influenced by Roman law. This is in contrast to the other 49 states, which follow a common law system derived from English law.
One key difference between Louisiana's civil law and common law in other states is the role of judicial interpretation. In Louisiana, judges make decisions based on the Civil Code, interpreting and applying the code rules to the specific case before them. While previous court decisions can inform their reasoning, Louisiana judges are not strictly bound by precedent. In contrast, common law in other states relies heavily on precedent, with judges interpreting and applying the law based on previous rulings by other judges.
Another difference lies in the codification of the law. Civil law in Louisiana is a codified system, with an emphasis on legislative statutes. This means that the law is written down and easily accessible to the public. In contrast, common law in other states is not comprehensively codified, and judicial decisions may rely more on interpretation and previous case law.
Louisiana's civil law also differs from common law in other areas, such as property law and estate law. For example, in Louisiana, parents cannot disinherit their children without "good cause," even after the children reach the age of 24. Additionally, Louisiana's constitution does not contain a right to a trial by jury in civil cases, and appellate courts have broader discretion in reviewing findings of fact by juries.
While Louisiana's civil law differs significantly from common law in other states, it is important to note that Louisiana's legal system has evolved and is now considered a hybrid, with some common law influences. In practice, there may be more similarities than differences between Louisiana and other states, especially in areas such as personal injury law.
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Frequently asked questions
No, Louisiana follows civil law, which is derived from the Napoleonic Code.
Common law relies on precedent, also known as case law. In common law, statutes are not comprehensively codified, and judicial decisions are based on the interpretation of the law by previous judges. In civil law, everything is codified, and there is no judge-made law.
Louisiana's civil law is derived from the French Napoleonic Code, which combines legal systems from France and Spain, both of which once owned Louisiana.
Louisiana's legal system is considered a mixed jurisdiction, with some common law influences. Louisiana's criminal law, administrative law, and procedural law are generally similar to those of other U.S. states, which follow common law.






































