If your employer forces you to sign a new employment contract mid-employment that limits your severance, it is generally invalid in Ontario unless they give you ‘fresh consideration’ (like a bonus or a raise). To fight an invalid contract, you can file a wrongful dismissal claim at the Superior Court of Justice, where the filing fee is $320 CAD.
Imagine arriving at your desk on a random Tuesday, only to have a human resources representative hand you a brand new employment contract to sign. They might tell you it is just “standard updated paperwork” or a “routine policy change.” You sign it quickly, fearing that refusing might cost you your job. Years later, when you are unexpectedly let go, the company uses that very document to deny you tens of thousands of dollars in severance pay.
This scenario is incredibly common, but Ontario employment law offers a powerful protection against it known as the doctrine of “fresh consideration.” 💵 Whether you are an office worker in Mississauga, a manager in London, or an engineer in Windsor, a foundational rule of contract law applies to you: an employer cannot simply take away your existing rights without giving you something of value in return. Simply allowing you to keep your job is not enough.
Step-by-Step Guide to Challenging a Mid-Employment Contract
If you were terminated and your employer is relying on an updated contract you signed years into your employment, you must investigate the circumstances of how that document was introduced. Ontario courts routinely throw out these mid-stream agreements if the proper legal steps were not followed.
Step 1: Collect All Versions of Your Contracts
To build a case, you need to show the difference between your original hiring terms and the newer agreement. 📂 Gather the very first offer letter you signed before your first day of work, and compare it to the updated contract. Highlight the specific termination clauses. The newer one will almost certainly contain harsher language designed to limit your common law severance.
Step 2: Identify the Lack of Fresh Consideration
Think back to the day you signed the new document. Did you receive a one-time signing bonus of a few hundred dollars? Did you get a promotion, additional vacation days, or a permanent raise on that specific day? If the answer is no, and you were simply told to sign it to “update the files,” the contract lacks fresh consideration and is legally unenforceable.
Step 3: Consult an Employment Lawyer
Bring your timeline and documents to an Ontario employment lawyer. They will quickly assess whether the employer fulfilled their legal obligation to provide fresh consideration. If the contract is void, the lawyer will explain that your rights revert to your original agreement-or, if the original agreement is also flawed, to full common law severance entitlements.
Step 4: Issue a Demand Letter
Your lawyer will formally notify the employer that their updated contract is legally void due to a lack of consideration. ✉️ The demand letter will request a proper severance package based on your full tenure, salary, and age, completely ignoring the invalid limits set out in the new paperwork.
Step 5: File a Claim at the Superior Court of Justice
If the company’s human resources department refuses to acknowledge their legal error, your lawyer will issue a Statement of Claim at the Superior Court of Justice. The threat of public litigation and a judge’s ruling usually pushes employers to negotiate a fair settlement rather than defend a legally doomed contract.
What Counts as Fresh Consideration?
| Employer Action When You Sign | Does it Count as Fresh Consideration? | Is the New Contract Valid? |
|---|---|---|
| “Sign this or you are fired.” | No. Continued employment is not valid consideration in Ontario. | No. The contract is void. |
| Given a $500 signing bonus. | Yes. A concrete financial benefit was provided in exchange for your signature. | Likely Yes, assuming the ESA minimums are met. |
| Given an extra week of paid vacation. | Yes. Improved benefits count as value. | Likely Yes. |
How Much Does it Cost to Fight an Invalid Contract?
You do not need a massive legal budget to fight back against a corporate legal department.
- Court Filing Fees: Initiating a wrongful dismissal claim at the Superior Court of Justice requires a standard filing fee of $320 CAD (as of May 2026).
- Contingency Agreements: Most Ontario employment lawyers will represent you on a contingency fee basis. This means they charge zero upfront fees and only take a percentage (usually around 30%) of the settlement they secure for you.
How Long Does the Process Take?
Proving a lack of fresh consideration is often straightforward because it is based on a simple factual question: Did you get a bonus on the day you signed? If the employer cannot prove they paid you extra, they often settle quickly within 2 to 4 months. If they choose to drag out the process through the civil courts, it may take 12 to 18 months to reach a resolution.
Frequently Asked Questions (FAQ)
What if I signed the new contract 5 years ago?
The passage of time does not fix a lack of fresh consideration. Even if you signed the document a decade ago, if you received no bonus or benefit at the time of signing, the contract remains void today.
Does a regular annual raise count as fresh consideration?
Usually, no. If you were already scheduled to receive a standard annual cost-of-living raise, an employer cannot legally use that preexisting entitlement as ‘fresh consideration’ to force you into a worse contract.
Can I be fired for refusing to sign a new contract?
Yes, an employer can terminate you ‘without cause’ for refusing to sign. However, if they do, they are legally obligated to pay you full common law severance based on your old contract. They cannot fire you for ‘just cause’ simply because you declined a new agreement.
What if they give me notice that the contract will change in two years?
This is a rare exception. If an employer provides you with clear, explicit working notice that your contract will change (e.g., giving you 18 months’ warning), courts may find the new contract valid without a bonus. Always consult a lawyer if this happens.
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