What Happens During a Personal Injury Lawsuit? A Step-by-Step Guide for Ontario

April 17, 2026

If you’ve never been through a personal injury lawsuit, it’s easy to assume it’s all courtroom drama and quick resolutions. In reality, most cases follow a structured (and often slower) process, and many never make it to trial.

Understanding what happens at each stage can make the experience feel far less overwhelming and help you make more informed decisions along the way.

Here’s what to expect.

1. The Initial Consultation

Everything starts with a conversation.

You’ll meet with a personal injury lawyer to talk through what happened, your injuries, and how your life has been affected. This is where your lawyer begins to assess whether you have a viable claim and what it might look like moving forward.

At this stage, it’s less about legal strategy and more about understanding your situation.

2. Investigation and Evidence Gathering

If you decide to move forward, your legal team will begin building your case.

This can include:

  • Collecting medical records and treatment history
  • Reviewing accident reports
  • Gathering witness statements
  • Consulting with medical or technical experts
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  • This step is critical. The strength of your claim depends heavily on the quality of the evidence collected early on.

3. Starting the Lawsuit (Issuing the Claim)

Once enough information has been gathered, your lawyer will formally start the lawsuit by filing a Statement of Claim with the court.

This document outlines:

  • What happened
  • Who is responsible
  • The damages you’re claiming
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  • The defendant (often an insurance company representing the at-fault party) is then served and given time to respond.

4. The Defence Responds

The other side will file a Statement of Defence.

In many cases, they may:

  • Dispute liability
  • Question the extent of your injuries
  • Argue that your losses are less than claimed
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  • This is a standard part of the process, it doesn’t mean your case is weak, just that the other side is protecting their position.

5. Discovery Phase

This is where both sides exchange information and ask questions under oath.

You may be required to attend an Examination for Discovery, where the defence lawyer will ask about:

  • The accident
  • Your injuries and recovery
  • Your work and daily life
  •  
  • It can feel formal, but your lawyer will prepare you thoroughly beforehand.
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  • The goal here is transparency. Both sides get a clearer picture of the case before moving toward resolution.

6. Mediation

In Ontario, mediation is typically mandatory for personal injury cases.

This is a structured negotiation where both sides (and their lawyers) meet with a neutral mediator to try to reach a settlement.

Most cases resolve at this stage.

Mediation gives you more control over the outcome and avoids the time, cost, and uncertainty of a trial.

7. Pre-Trial and Trial (If Needed)

If a settlement isn’t reached, the case may move toward trial.

Before that, there’s often a pre-trial conference with a judge to explore one last opportunity to settle.

If the case proceeds to trial:

  • A judge (and sometimes a jury) will hear the evidence
  • Witnesses may testify
  • A final decision will be made on liability and damages
  •  
  • It’s important to know that only a small percentage of personal injury cases actually reach this stage.

8. Settlement or Judgment

Your case will conclude in one of two ways:

  • A negotiated settlement (at mediation or later)
  • A court judgment after trial
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  • Once resolved, compensation is finalized and paid out according to the agreement or court decision.

Final Thoughts

A personal injury lawsuit isn’t something that unfolds overnight. It’s a process that requires patience, preparation, and the right guidance.

The good news is that you don’t have to navigate it alone.

Working with an experienced legal team ensures you understand your options at every stage and that your claim is handled with the care and attention it deserves.

Perley-Robertson, Hill & McDougall LLP/s.r.l.