Key Concepts of Case Law and Judicial Decision Making

Case law originates from common law legal systems through judicial decisions.
Judges must provide reasoning for their decisions, which underlies legal principles.
Judicial decisions continually contribute to the evolving body of common law.

Fundamental characteristics of common law include consistency and predictability.
Judges adhere to precedent to ensure that similar cases yield similar outcomes (stare decisis).

Precedent and Stare Decisis:
- Precedent requires courts to follow established decisions of higher courts in similar cases.
- Stare decisis means to stand by previous rulings and not disturb settled law.
Court Hierarchy:
- Understanding court hierarchy is critical for applying precedents.
Reasoning by Analogy:
- Analogizing involves comparing cases to establish similarities and differences.
- Significant similarities pertain to legal issues and key facts.
Distinguishing Cases:
- Recognizing differences that disqualify cases from being precedents.

Binding Authority:
- Derived from decisions of higher courts within the same jurisdiction (precedent).
Persuasive Authority:
- Non-binding cases from other jurisdictions that may influence but do not establish binding precedent.

Courts are not bound to follow their own previous decisions but usually do so for consistency.

Typical Judgment Components:
- Facts, Issues, Decision, Reasons, and Ratio.
Ratio Decidendi:
- The legal rule derived from a case; it is crucial for establishing precedents.
Dicta:
- Remarks or comments made by judges that are not essential to the decision, thus not precedential.

Legislation is the primary source of law, overriding common law when there are conflicts.
Parliamentary sovereignty allows for the creation and alteration of laws, constrained by constitutional limits.

Courts may clarify or interpret ambiguous legislative texts, leading to further case law development.
A judge's goal is to discern and apply legislative intent objectively.