
Author: John Mattiacci | Owner Mattiacci Law
Published April 9, 2025

Table of Contents
ToggleDealing with a personal injury claim can feel like a lot.
There’s paperwork, insurance calls, doctor visits—and then someone brings up mediation. Suddenly you’re sitting in a room with a neutral third party, trying to settle your case without dragging things into court.
But then comes the big question: Is this legally binding?
Or can someone just walk away later like it never happened?
In this post, we’ll explain if mediation is legally binding in personal injury cases in detail. Plus, we’ll also answer some FAQs we get a lot at the office.
Is Mediation Legally Binding In Personal Injury Cases?
Mediation itself is not automatically legally binding in personal injury cases. It’s a voluntary process where both parties try to reach a mutual agreement with the help of a neutral third-party mediator.
Mediation only becomes legally binding if both parties reach an agreement and sign it in writing.
Once that happens, the signed agreement is enforceable like any other contract.
But if they don’t agree, nothing is forced on either side, and they can move forward with a lawsuit or continue negotiations.
Also Read: How Long Does It Take to Settle a Car Accident?
When Is A Mediation Agreement Not Legally Binding?
We know that a mediation agreement becomes legally binding once it’s written and signed by both sides. But there are a few rare situations where that agreement might not hold up.
These don’t happen often, but they’re important to know about.
For example, if the agreement was signed because someone was misled or lied to (hello, fraud), that could be a problem. Or if one of the parties felt seriously pressured—like they were basically forced into signing—then that’s not okay either.

Here are a few reasons an agreement might get tossed out later:
- It was based on fraud or false info
- One side was under serious pressure or threat (called duress)
- Someone wasn’t mentally capable of understanding the agreement
- The terms were agreed to by mistake
- The whole thing was for something illegal
If any of that sounds familiar, it’s definitely time to chat with a lawyer.
What Happens After A Mediation Agreement Is Signed?
First off, congrats. That means the case is pretty much wrapped up. The signed agreement becomes legally enforceable, like a contract. Nobody can just decide to ignore it later on.
Usually, the agreement will outline how much the insurance company is paying, when they’re sending the check, and how the money gets distributed.
It might also include who’s covering medical bills, attorney fees, or liens.
Here’s what usually happens after signing:
- The insurance company processes payment, usually within 30 days.
- Your attorney (if you have one) makes sure medical bills or liens get paid off.
- You receive your share of the settlement, either directly or through your attorney.
- The court may close the case, if a lawsuit was already filed.
After all that, you’re done. No court dates, no more negotiations!
Can You Back Out Of A Mediation Agreement?
No, you can’t back out of a mediation agreement. Once the agreement is signed, it’s legally binding. You can’t just change your mind the next day and walk away from it.
Also Read: Personal Injury Laws and Legal Options
That being said, there are very rare cases where someone might try to challenge the agreement in court, like fraud, or the other things we mentioned.

But those situations are the exception, not the rule.
So if you’re sitting in mediation and feel unsure about the terms, don’t rush to sign. Take your time, ask questions, and make sure you fully understand everything.
Once it’s signed, it’s a done deal.
What If Mediation Doesn’t Lead To A Deal?
Sometimes mediation works. Sometimes… not so much. And that’s totally okay.
If you go through mediation and the two sides can’t reach an agreement, you’re not stuck. You’re still free to continue with your personal injury claim either through more negotiations or by going to court.
Nothing from the mediation will be used against you in trial, and the mediator doesn’t take sides. It’s really just a safe space to try and find common ground.
So even if you walk away without a signed agreement, you’re not out of options.
You still have a full set of legal rights and can keep pushing forward.
Also Read: What is the Personal Injury Lawsuit Process in Pennsylvania?
Bottom Line
Mediation is legally binding in personal injury cases only when both sides sign a written agreement. Until then it’s just talk.
Once the agreement is signed, it’s official. You can’t back out. You can’t change the terms (unless both sides agree to). That’s why it’s super important to be clear, comfortable, and confident before putting pen to paper.
If mediation doesn’t work out, you still have every right to fight for your case through other channels.
FAQs
Does Mediation Mean Settlement?
Not always. Mediation is just a process that can lead to settlement. Sometimes it works, and both sides walk away happy. Sometimes, things fall apart and the case keeps going.
So while mediation often leads to settlement, it’s not guaranteed.
Can You Change An Agreement After Mediation?
It can only be changed if both sides agree to make changes, and they put those changes in writing. You can’t go back later and adjust the terms just because you changed your mind. Once it’s signed, it’s binding.
So any changes would have to be negotiated and documented just like the original agreement.
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