How a Negligence Lawyer Proves What ‘Should Have Been Done’

When someone’s been hurt due to someone else’s carelessness, a negligence lawyer steps in to ask the key question: Could this have been prevented?

At its heart, a negligence claim is about showing that someone failed to take reasonable care when they should have. But proving that in court isn’t as simple as saying, “They should’ve known better.” 

Let’s walk through how our Sidhu Personal Injury Lawyers Edmonton team approaches these cases. It takes a detailed legal strategy: defining duties, identifying breaches, and explaining what a responsible person should have done under the same circumstances.

Key Takeaways:

  • A negligence claim begins by proving the defendant owed a legal duty to avoid causing harm, using tests like foreseeability, proximity, and established legal relationships.
  • Lawyers must demonstrate that the defendant failed to meet the standard of care using benchmarks like risk severity, cost of prevention, and professional norms.
  • Courts may reject claims based on public policy concerns, even with foreseeability and proximity. 

Establishing a Duty of Care as The First Legal Process Hurdle

Before anything else, a negligence lawyer must prove that the defendant owed the plaintiff a duty of care. This means showing that the relationship between them was close enough that the defendant had a legal responsibility to avoid causing foreseeable harm.

The foundational case, Donoghue v. Stevenson (1932), introduced the “neighbour principle.” It states that anyone who can reasonably foresee harm to another through their actions (or inactions) owes them a duty of care.

Proving Duty in Modern Courts: Four Contemporary Approaches

  1. Reasonable Foreseeability: Was it foreseeable that the defendant’s conduct could cause harm to the plaintiff?
  2. Proximity: Is there sufficient closeness in relationship, causation, or context?
  3. Analogy to Established Duties: Is this case similar to others where duties were recognized (e.g., doctor-patient, driver-pedestrian)?
  4. Public Policy Considerations: Would recognizing a duty here align with broader societal interests?

Edmonton injury lawyers blend these to construct a compelling foundation for their case. In Canadian courts, the Anns/Cooper test (relationship + policy) is often the go-to method.

negligence lawyer
10 Red Flags to Watch for When Hiring an Accident Lawyer in Edmonton

Sidhu Personal Injury Lawyers Edmonton knows how to prove negligence. We build strong, court-ready cases backed by precedent and strategy.

Breach of the Standard of Care: Defining the “Should”

Once a duty of care is established, the focus shifts to whether the defendant breached that duty. It involves articulating a standard of care and proving that the defendant fell below it. In essence, lawyers argue, this is what a reasonable person would have done, and here’s why the defendant failed.

What Determines Standard of Care

Courts evaluate the standard of care by comparing the defendant’s behaviour with that of a reasonable person in similar circumstances. There are five core benchmarks that lawyers use:

Probability of Harm

Was the risk significant enough that precaution was required?

Seriousness of Potential Injury

The more severe the likely harm, the greater the obligation to avoid it.

Cost and Difficulty of Avoiding Risk 

If avoiding harm were easy and inexpensive, failing to act would be more culpable.

Value of the Defendant’s Activity 

If the defendant’s activity has low social utility, courts scrutinize risky conduct more harshly.

Compliance with Standards

Did the defendant comply with accepted professional or industry standards?

Lawyers use expert witnesses, industry codes, safety manuals, and prior rulings to convincingly benchmark these standards.

Proximity: When Closeness Imposes Legal Responsibility

While foreseeability is necessary, proximity also matters. It can be physical, relational, causal, or circumstantial. Courts have considered proximity to mean “nearness, hearness, or dearness.” In other words, it’s about whether the defendant was situationally and relationally close enough to the plaintiff that a duty arose.

  • Proximity-as-principle: A general moral framework about relationships and responsibility.
  • Rule-based proximity: Using pre-established categories like doctor-patient or employer-employee to determine obligations.

The key for a lawyer is to demonstrate that proximity exists and matters in complex or novel claims like third-party injuries or economic losses.

Our Lawyer’s Toolbox: Analogies, Categories, and Precedent

Legal reasoning proceeds incrementally. Courts are cautious about recognizing new categories of duty unless supported by strong analogies. Incrementalism is now the influential method in Canada. Negligence lawyers must show:

  • How the case resembles established precedents
  • How it fits within accepted categories
  • Why does it deserve recognition as a logical extension of current duty frameworks

Sidhu Personal Injury Lawyers compares well-documented cases (e.g., doctor-patient, employer-contractor, or product manufacturer-consumer) to argue that the defendant’s conduct should meet the same legal expectations.

When Policy Becomes the Deciding Factor in Legal Malpractice Claims

Even when foreseeability and proximity are proven, a case can fail if policy suggests that no duty should exist. Courts may decline to impose liability for fear of opening floodgates, causing economic disruption, or interfering with public services. 

For instance, Albertan courts consider factors such as whether the issue is better left to the legislature (institutional competence), recognizing a duty could lead to an overwhelming amount of litigation (floodgate concerns), and imposing liability might discourage socially beneficial behaviour (chilling effects).

Our negligence lawyers proactively address these concerns, sometimes even arguing that public policy demands accountability.

Practical Example: What “Should Have Been Done”

Suppose a construction site supervisor failed to secure exposed wiring. A child trespasses and suffers an electric shock. Sidhu Personal Injury Lawyers may argue:

  • The defendant owed a duty of care. Children are a foreseeable trespasser class in such environments (Donoghue v Stevenson, Zaluzna).
  • They breached the standard of care. Reasonable precautions, such as warning signs or secured enclosures, weren’t in place (Bolton v Stone).
  • Proximity exists. Control over the hazard, foreseeable harm, and assumed responsibility are all present.
  • Policy supports liability. Holding commercial property managers accountable improves public safety without crippling the industry.

This structured legal reasoning is what builds a powerful claim and civil action. It’s compelling when the damages suffered include serious physical harm, emotional trauma, or long-term financial impact like lost income.

Trust Our Legal Professionals to Prove “What Should Have Been Done”

Proving what should have been done in a negligence case is about structured legal reasoning rooted in decades of jurisprudence, categories, and moral responsibility. Sidhu Personal Injury Lawyers Edmonton brings technical knowledge and extensive experience to help clients navigate this process.

Facing the aftermath of motor vehicle accidents, workplace injuries, or professional service failures, you can rely on our team to build a strong case for settlement or trial. Need help proving negligence? Call Sidhu Personal Injury Lawyers Edmonton for a free consultation and to explore your rights to compensation.

Frequently Asked Questions

Yes. Negligence doesn’t require a criminal or regulatory violation. If a reasonable person had acted differently under similar circumstances, a lawyer could still build a strong case based on breach of the standard of care.

No. A negligence lawyer can also help in cases involving economic losses, pain and suffering, or property damage. As long as a duty of care existed and it was breached in a way that caused measurable harm, you can always make a claim.

Yes. When health care professionals, engineers, accountants, etc., fail to meet the standards of their profession, they can be held liable for professional and medical negligence. Our specialized negligence lawyer uses expert testimony and industry guidelines to show how the standard was breached.

Share this: