Law · Year 12

Active learning ideas

Strict Liability

Strict liability offences are an exception to the general rule that a crime requires both actus reus and mens rea. In these cases, the prosecution only needs to prove the actus reus; the defendant's state of mind or lack of fault is irrelevant. This topic explores how courts identify these offences, often using the Gammon criteria to determine if Parliament intended the crime to be one of strict liability.

• National Curriculum Attainment Targets
• AQA A-Level Law 3.3.1.1 Strict liability
• OCR H415/01 3.1 Strict liability

• 20–45 min
• Pairs → Whole Class
• 3 activities

Activity 01

• Formal Debate
• 45 min · Whole Class

Formal Debate: Fairness vs Public Safety

Debate the motion: This house believes that strict liability is an affront to justice. Students must use examples from food safety, pollution, and traffic law to argue for or against the necessity of these 'no-fault' crimes.

What is a strict liability offence?

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Activity 02

• Inquiry Circle
• 40 min · Small Groups

Inquiry Circle: The Gammon Test

Provide groups with three 'mystery' statutes. Using the Gammon criteria (e.g., is it a 'quasi-crime'? is it of social concern?), students must argue whether a judge should interpret each as a strict liability offence.

How do courts determine if an offence is one of strict liability?

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Activity 03

• Think-Pair-Share
• 20 min · Pairs

Think-Pair-Share: The Pharmacist's Dilemma

Students read the facts of R v Larsonneur or Pharmaceutical Society v Storkwain. They discuss in pairs whether it is 'right' to convict someone who did everything they could to follow the law, then share with the class.

What are the social and regulatory justifications for strict liability?

• Understand
• Apply
• Analyze
• Self-Awareness
• Relationship Skills

A few notes on teaching this unit

---

Watch Out for These Misconceptions

• Strict liability means there is no defense at all.

  While you don't need mens rea, you still need a voluntary actus reus. If the act was involuntary (e.g., a reflex), there may still be no liability. A 'voluntary act' check helps students see the limit of strict liability.

• All minor crimes are strict liability.

  Many minor crimes still require recklessness or intent. Courts start with a 'presumption of mens rea' unless the statute clearly indicates otherwise. Analyzing case law like Sweet v Parsley helps students understand this starting point.

---

Methods used in this brief

• Formal Debate
• Inquiry Circle
• Think-Pair-Share