Foundational Principles of the U.S. Legal Framework
Posted on Dec 6, 2025 in Law
Foundational Legal Concepts
- Attorney-Client Privilege: Clients’ communications are kept private when seeking legal advice.
- Confidentiality: Client information cannot be revealed.
- Definition of Law: Rules established by the government, enforceable by punishment.
- Legal System Definition: Institutions, procedures, and rules that establish and enforce norms.
- Legal Morality: Just because something is legal does not mean it is morally correct.
- Justice: Fair and impartial treatment to all individuals under the law.
- Compliance: Making individuals or organizations follow laws and regulations.
Sources and Types of Law
Civil and Common Law Systems
- Civil Law: Based on codified statutes made by legislatures.
- Common Law: Judge-made law that follows precedent (stare decisis).
- Common Law is Decentralized: Interprets law after actions occur.
- U.S. Legal System: Combination of Common Law and Civil Law.
- Mixed Legal System: A combination of two or more legal systems.
Other Legal Traditions
- Customary Law: Based on traditions and cultural practices (community consensus).
- Natural Law: Based on universal moral principles (Unjust laws = untrue laws).
- Positive Law: Man-made rules valid regardless of morality (Law as it is).
- Religious Law: Based on religious texts and traditions.
- Universal Law Code: Most societies prohibit murder, theft, child harm, and demand promises to be kept.
Constitutional Structure and Powers
Federalism and Government Limits
- Federalism: Division of power between state and national governments.
- Limited Government: Government power is restricted under the Constitution.
- Rule of Law: No one is above the law.
- Majority Rule with Minority Rights: Decisions are made by majority vote, but minority rights remain protected.
State and Federal Application
- State Police Power: States regulate health, safety, and welfare (reserved powers).
- Supremacy Clause (Article VI): Federal law is supreme over state law when constitutional.
- Full Faith and Credit Clause: States must respect acts, records, and judicial proceedings of other states.
- Local Law Uses: Counties and municipalities.
- National Law Uses: Federal law applies.
- State Law Uses: State sovereignty governs.
- Special Jurisdictions: Tribal or military-based areas.
Constitutional Reach and Rights
Due Process and Equality
- Due Process: Fair procedures before loss of life, liberty, or property (5th and 14th Amendments).
- Equal Protection: Similarly situated people must be treated alike under the law (14th Amendment).
- Habeas Corpus: A right allowing a person to challenge unlawful detention before a court.
Jurisdiction Over Citizens Abroad
- Constitutional Reach for Citizens Abroad: Protected under U.S. jurisdiction (Reid v. Covert).
- Constitutional Reach for Non-Citizens: Entitled to Due Process (Reno v. Flores).
- Constitutional Reach in Incorporated Territories: Full constitutional protections apply.
- Constitutional Reach in Unincorporated Territories: Only fundamental rights apply (Insular Cases).
- Constitutional Reach – Guantanamo Bay: Habeas Corpus rights apply (Boumediene v. Bush, 2008).
Judicial and Executive Functions
Judicial Powers
- Independent Judiciary: Court decisions are made independently and without bias.
- Judicial Lawmaking: Judicial review, precedent, and overturning precedent.
- Judicial Review: Courts determine constitutionality of laws (Marbury v. Madison established this power).
- Function of Precedent: Courts must follow prior rulings in similar cases but can be overturned by higher courts.
Executive and Prosecutorial Roles
- Executive Lawmaking: President and agencies propose bills, negotiate treaties, issue executive orders, and create regulations.
- Executive Order: Presidential directive based on constitutional authority.
- Take Care Clause: President must faithfully execute laws passed by Congress.
- Federal Prosecutors: U.S. Attorneys appointed by the president.
- Prosecutorial Discretion: Authority to decide whether to bring a case to trial or dismiss it.
- Judicial Limits of Prosecutorial Discretion: Courts cannot force prosecutors to bring charges.
Prosecutorial Misconduct and Related Doctrines
- Prosecutorial Misconduct: Presenting false evidence, hiding exculpatory evidence, or charging in bad faith.
- Anti-Commandeering Doctrine: Federal government cannot force states to carry out federal programs.
- Extradition: Jurisdiction hands over an offender to another jurisdiction for prosecution.
- Buried Bodies Case: The attorney did not reveal the locations of two murdered bodies; legally protected under privilege.
Criminal Jurisdiction Principles
- Criminal Jurisdiction – National: Offender’s citizenship is outside the U.S.; case involves national interest.
- Criminal Jurisdiction – Objective Territorial: A crime affects another state, granting that state jurisdiction.
- Criminal Jurisdiction – Passive Personality: U.S. jurisdiction applies when the victim is a U.S. citizen.
- Criminal Jurisdiction – Protective: U.S. gains jurisdiction for threats to national security.
- Criminal Jurisdiction – Universality: Piracy, genocide, crimes against humanity allow international involvement.
Transactional Law and Litigation
- Transactional Law: Private law related to business (contracts, drafts, etc.).
- Litigation: Lawsuits and trials.
Key Case Summaries
Constitutional Reach and Federal Power Cases
Commerce Clause and Civil Rights Cases