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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Workers’ Compensation (WSIB) Ontario » How Long Does It Take for WSIB to Approve a Claim in Ontario?

How Long Does It Take for WSIB to Approve a Claim in Ontario?

26 Mar 2026 4 min read No comments Workers’ Compensation (WSIB) Ontario
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In Ontario, the Workplace Safety and Insurance Board (WSIB) generally takes about 2 weeks to approve a straightforward injury claim. However, if your claim involves complex medical issues, psychological trauma, or occupational diseases, the approval process can easily take several months.

Getting injured at work is an incredibly stressful experience. On top of dealing with physical pain, you are likely worried about how you will pay your bills while recovering. In Ontario, the Workplace Safety and Insurance Board (WSIB) is the provincial agency responsible for providing wage replacement and medical benefits to injured workers.

Understanding the WSIB timeline is crucial for managing your finances and expectations. Whether you were injured on a construction site in Toronto, a manufacturing plant in Hamilton, or a retail store in Ottawa, the adjudication process follows the exact same provincial rules. Knowing what to expect can help you avoid unnecessary delays. 📍

Step-by-Step WSIB Process in Ontario

The speed at which your claim is approved depends heavily on how quickly you and your employer submit the required paperwork. Delays in filing forms are the number one reason injured workers wait longer for their money. Generally, the process unfolds through these critical steps.

Step 1: Report the Injury and Seek Medical Care

The moment you are injured, you must report it to your supervisor immediately. Do not wait. Next, seek medical attention at a local hospital or clinic. You must explicitly tell the doctor that your injury happened at work. The doctor will then fill out a Form 8 (Health Professional’s Report) and send it directly to the WSIB. 🏢

Step 2: Submit Your Form 6

As the injured worker, you are entirely responsible for filling out a Form 6 (Worker’s Report of Injury/Disease). You can submit this form online through the WSIB website. This document explains in your own words how the accident happened, what body parts were injured, and your current earnings. Filing this promptly is the best way to speed up your claim.

Step 3: Employer Submits Form 7

By law, your employer has exactly 3 days to report your workplace injury to the WSIB by submitting a Form 7 (Employer’s Report of Injury/Disease). If your employer refuses to file this form or tries to convince you to use your personal sick days instead, you should contact a WSIB lawyer or legal clinic immediately to protect your rights.

Step 4: WSIB Adjudication

Once the WSIB receives the Form 6, Form 7, and Form 8, an adjudicator is assigned to your case. They will review the evidence to confirm that the injury is truly work-related. If the details match across all three forms, the claim is usually approved quickly. If there are discrepancies, the adjudicator will call you or your employer for a more detailed investigation.

Type of WSIB ClaimAverage Approval Timeline
Simple Physical Injury (e.g., broken arm)10 to 14 days after all forms are received.
Chronic Pain or Repetitive Strain4 to 8 weeks, as more medical evidence is usually required.
Mental Stress / Occupational Disease3 to 6 months due to highly complex medical investigations.

How Much Does it Cost in Ontario?

Filing a claim with the WSIB is a free public service, but navigating the system can involve some indirect financial factors. If your claim is approved, WSIB typically pays for your medical treatments and provides Loss of Earnings (LOE) benefits, which is usually 85% of your net average earnings.

  • Filing Forms: $0 CAD. Submitting Forms 6, 7, and 8 costs absolutely nothing.
  • Medical Records: If WSIB requests older medical charts from your family doctor, your clinic might charge a small administrative fee (usually $30 to $100 CAD).
  • Law Firm Fees: If your claim is denied and you need to appeal to the Workplace Safety and Insurance Appeals Tribunal (WSIAT), hiring a lawyer typically operates on a contingency fee basis (usually taking 15% to 30% of any retroactive lump-sum settlement).

How Long Does the Process Take?

For a standard, uncontested claim where the worker, employer, and doctor agree on the facts, you can expect an initial decision letter within 2 weeks. However, if your employer disputes the claim, the investigation phase can delay your benefits by 4 to 8 weeks. If your claim is officially denied, the appeals process can easily drag on for 6 to 18 months. 📅

Frequently Asked Questions (FAQ)

Will WSIB give me back pay if my claim is delayed?

Yes. If your claim takes several weeks or months to be approved, WSIB generally issues a retroactive payment (back pay) covering your Loss of Earnings from the very first day you missed work due to the injury.

What happens if my employer does not file Form 7?

You should still file your Form 6 immediately. WSIB will not ignore your claim just because your employer is uncooperative. The WSIB can actually penalize or heavily fine your employer for failing to report the injury on time.

Can I speed up the WSIB approval process?

The best way to avoid delays is to ensure your Form 6 is perfectly accurate, submit any requested specialist reports promptly, and keep an open line of communication with your assigned WSIB adjudicator or case manager.

Do I need a lawyer to file a WSIB claim?

For most initial applications, you do not need a law firm. However, if your claim is highly complex, if you have suffered a severe permanent impairment, or if you need to file an appeal, consulting a specialized Ontario workers’ compensation lawyer is highly recommended.

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