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Wrongful dismissal

Wrongful dismissal is a former employee’s civil court claim against their former employer over the termination of their employment. In Ontario it is separate from a complaint to the ministry for termination pay or severance pay under the Employment Standards Act, 2000, and a buyer can ask a seller about any claim that is pending.

A pending claim by a former employee is a liability worth seeing before signing. Ontario’s employment standards guide explains that some employees have rights under the common law that are greater than the notice, termination pay and severance pay in the Employment Standards Act, 2000 (ESA), and that an employee may sue a former employer in court for wrongful dismissal. The seller’s disclosure duties are covered in what employee liabilities a seller must disclose.

One route or the other

Under ESA s.97(2), an employee who files a complaint alleging an entitlement to termination pay or severance pay may not start a civil proceeding for wrongful dismissal over the same termination or severance. Section 98(2) works the other way round. Under s.97(4), an employee who has filed a complaint may still start a civil proceeding if the complaint is withdrawn within two weeks after it is filed.

Where the rules differ

That is Ontario’s regime. Other provinces run their own, and this entry does not describe them. For federally regulated employers, Division XIV of the Canada Labour Code (s.240) lets a person who has been dismissed and considers the dismissal unjust make a written complaint, subject to the conditions in that section and s.242(3.1). Under s.167(3), Division XIV does not apply to employees who are managers.

  • Ask the seller for every claim, demand letter or complaint from a former employee, including settled ones
  • Ask whether an employment standards complaint was filed over the same termination
  • Ask how the draft agreement allocates responsibility for claims about terminations before closing

Sources

This definition is checked against primary sources. Links were last confirmed on the dates shown.

  1. 01
    Government of Ontario — Ministry of Labour, Immigration, Training and Skills DevelopmentGovernment
    Termination of employment — Your guide to the Employment Standards Act
    ontario.ca·Checked Oct 20, 2026
  2. 02
    Government of OntarioGovernment
    Employment Standards Act, 2000, S.O. 2000, c. 41
    ontario.ca·Checked Oct 20, 2026
  3. 03
    Government of Canada (Department of Justice)Government
    Canada Labour Code, R.S.C. 1985, c. L-2
    laws-lois.justice.gc.ca·Checked Oct 20, 2026

Deavo is an advertising and listings platform, not a brokerage, law firm or valuation firm. This page is general information, not legal, tax, accounting or valuation advice, and rules differ by province. Confirm anything you rely on with a qualified professional before you act on it.

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