
Law is a diverse field with many categories, each dealing with distinct issues and serving specific purposes. The three major types of law are Case law or Common law, Statutory law, and Regulatory law. These three broad categories encompass various fields of law, such as Civil Rights law, Environmental law, Real Estate law, Tax law, Criminal law, Employment law, Family law, and more. Each type of law has its own unique focus, ranging from protecting individual rights and liberties to safeguarding the environment and resolving criminal matters. Lawyers specialising in these fields advocate for their clients, ensure compliance with relevant laws, and navigate the complex legal landscape to achieve favourable outcomes.
| Characteristics | Values |
|---|---|
| Created by a judicial body | Case law or Common law |
| Created by a legislative body | Statutory law |
| Related and enforced by an administrative body | Regulatory law |
| Deals with the rights and prosecution of people charged with a crime | Criminal law |
| Addresses the legal rights of workers and employers, mediating disputes | Employment law |
| Guides businesses in their dealings with other businesses, government agencies, and individuals | Business and Corporate law |
| Encompasses domestic issues relating to the division and growth of families, such as divorce, adoption, child custody | Family law |
| Provides guidance on issues surrounding the right to own and use property | Real estate law |
| Assists financially struggling businesses and individuals with debt relief | Bankruptcy law |
| Focuses on the legal and regulatory issues relating to natural resources | Environmental and natural resources law |
| Focuses on the legal issues and policies relating to immigrants | Immigration law |
| Focuses on the protection of discoveries, creations, and identifying marks for inventors, authors, and businesses | Intellectual property law |
| Focuses on the legal implications of increased travel across borders for business, tourism, and permanent residence | International law |
| Focuses on the rights of individuals to receive equal treatment and prohibits discrimination | Civil rights law |
| Governed by statutes, rather than by case law | Civil law |
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What You'll Learn

Civil law
Overall, civil law promotes cooperation, order, and predictability, with a focus on individual freedom and the clear expression of rights and duties. It provides a dynamic and adaptable framework that allows for the interpretation and evolution of laws to meet the changing needs of society.
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Common law
One of the key advantages of common law is its flexibility. Unlike civil law systems, common law allows courts to address situations not originally predicted by lawmakers without the need for legislative intervention. This enables the legal system to adapt to new trends and changes in society. For example, in a "case of first impression" with no clear legislative guidance, judges are empowered to resolve the issue and establish new precedents.
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Regulatory law
One of the key aspects of regulatory law is ensuring that administrative agencies do not exceed their authority and overstep into the legislative branch's domain. The Supreme Court plays a crucial role in this regard, reviewing agency actions and determining whether their rules, regulations, or policies require legislative approval. This process is known as the Chevron doctrine, which has been contested by conservative jurists for allegedly granting too much power to administrative agencies.
Public interest groups can also influence regulatory law by achieving their goals through administrative decisions, bypassing legislative delays. For instance, President Biden's executive order on gun reform demonstrated how the executive branch can address public health issues like firearm misuse. However, regulatory laws are often challenged by conservative jurists.
In summary, regulatory law is an essential aspect of modern governance, ensuring that administrative agencies operate within their delegated authority and providing a framework for the implementation of laws through regulations. It plays a critical role in balancing the powers of the legislative and executive branches and addressing societal issues through administrative decisions.
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Criminal law
Two key concepts in criminal prosecution are “mens rea” and “actus reus”. Mens rea, Latin for “guilty mind”, refers to the offender’s mental state or intent. To convict an accomplice, the prosecutor must prove that the accomplice acted in support of the perpetrator and had the requisite mental state while doing so. The evidentiary standard in criminal law is proof beyond a reasonable doubt. This means that the prosecution must prove that the defendant is guilty beyond any reasonable doubt, and there is no other possible explanation for the evidence. This standard of proof is designed to protect the rights of the accused and ensure that innocent people are not convicted.
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Civil rights law
The Civil Rights Act of 1964 is a landmark piece of civil rights and labor law legislation in the United States. Proposed by President John F. Kennedy in 1963, it was passed by Congress and signed into law by President Lyndon B. Johnson on July 2, 1964. This act prohibited discrimination in public places, mandated the integration of schools and other public facilities, and made employment discrimination illegal. It was considered the most sweeping civil rights legislation since Reconstruction and "remains one of the most significant legislative achievements in American history."
The Civil Rights Act of 1964 built upon previous civil rights legislation, such as the Civil Rights Act of 1875, which was struck down by the Supreme Court in 1883, and the Civil Rights Act of 1957, which was the first federal civil rights legislation since 1875. The 1964 Act addressed voting rights, public accommodations, school desegregation, and nondiscrimination in federally assisted programs, among other issues. It empowered the Attorney General to initiate lawsuits against state governments with segregated school systems and prohibited discriminatory practices in employment and public accommodations.
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Frequently asked questions
The three major categories of law are case law or common law, statutory law, and regulatory law.
Public law concerns the state, while private law concerns the interests of citizens.
Some specialisations within public law include administrative law, constitutional law, and criminal law.
Some examples of specialisations within private law include family law, employment law, and contract law.
Some less traditional categories of law include animal law, health law, and immigration law.





























