Canada

Personal Injury

Slip and fall, medical malpractice, product liability, dog bites, defamation

25 questions

⚖️

Causation & Damages

(8)
Do I need expert medical evidence to prove I suffered a mental injury?
No, you do not need expert medical evidence to prove a mental injury in Canada. The Supreme Court of Canada ruled in Saadati v. Moorhead that a recognized psychiatric diagnosis is not required — credible lay evidence can be sufficient.
Can I recover damages if my emotional reaction to an event was unusual or extreme?
Yes, but only if your emotional reaction was reasonably foreseeable to a person of ordinary fortitude — unusually extreme or idiosyncratic reactions are generally not compensable.
Does the defendant have to compensate me for a pre-existing condition that was made worse?
Yes, the defendant must compensate you for the full extent of your worsened condition—even if you had a pre-existing vulnerability—under the 'thin skull rule' established by the Supreme Court of Canada.
Can I claim damages for mental distress or PTSD without a physical injury?
Yes, you can claim damages for mental distress or PTSD without a physical injury in Canada, but you must prove the mental injury is serious, prolonged, and rises above ordinary emotional upset.
Are my private insurance benefits deducted from the damages a court awards me?
No, private insurance benefits you receive are generally not deducted from court-awarded damages in Canada.
What is the but-for test for proving causation in a personal injury case?
The but-for test asks whether the injury would not have occurred 'but for' the defendant’s negligent act — if the harm would still have happened without the negligence, there is no legal causation.
How do I prove that the defendant's actions actually caused my injury?
You must prove causation using the 'but for' test: but for the defendant’s wrongful act, your injury would not have occurred. Courts also apply the 'thin skull rule', meaning the defendant takes you as they find you—even with pre-existing vulnerabilities.
Can I still recover damages if the injury only became apparent long after the event?
Yes, you may still recover damages in Canada even if the injury only became apparent long after the event, thanks to the 'discoverability principle' that delays the start of the limitation period until the injury is discovered or ought reasonably to have been discovered.