What happens when an employer challenges a workplace injury claim?

A Dispute Over Returning to Work After an Injury

Return to work is where many accepted claims become contentious. A modified-duties offer must genuinely respect your medical limitations — a job that exists on paper but not in practice, or one that exceeds your restrictions, can be refused. Refusing without medical support, however, can end your benefits.

Claiming for a Psychological Injury at Work

Psychological injuries can be compensable in Quebec, but the bar is higher than for physical injury: you generally must show the workplace events were objectively traumatic or abnormal rather than ordinary workplace stress or a difficult manager. Harassment claims may also proceed as a separate labour standards complaint on a different deadline.

Claiming for an Occupational Disease

Occupational disease claims — repetitive strain, hearing loss, respiratory conditions, certain cancers — are harder than single-incident injuries because there is no event to point to. Some conditions benefit from a presumption where you worked in a listed occupation; otherwise you must establish exposure and a medical link.

Contesting a CNESST Decision at the Tribunal administratif du travail

Contesting runs in a strict order: the CNESST's own review stage first, then the Tribunal administratif du travail. The TAT hears the matter fresh with evidence and witnesses, and its decision is final — the only further route is judicial review in the Cour supérieure on limited grounds.

Your CNESST Claim Was Denied

A CNESST refusal is contestable, and the deadline is stated on the decision letter — it is short and strictly applied. Most refusals rest on one of three grounds: the injury is not accepted as work-related, it is treated as a pre-existing or personal condition, or the medical evidence is considered insufficient. The answer to each is targeted medical documentation, not a longer letter.