Conversion, Detinue, and Trespass to Chattels: Interference with Rights of Ownership or Rights of Possession (Part Three) | Pollock Paralegal
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Conversion, Detinue, and Trespass to Chattels:

Interference with Rights of Ownership or Rights of Possession (Part Three)



Last Updated: August 22 2026

Question: How do Ontario paralegals assess a trespass to chattels claim when someone interfered with my personal belongings?

Answer: A paralegal at Pollock Paralegal can help you assess whether your facts fit trespass to chattels in Ontario, which is wrongful, direct interference with your possession or control of a movable personal property item (a “chattel”) without removing it the way conversion or detinue typically does, and they will also help you identify the key issues like whether there was a direct act, whether you had rightful possession, and what damages may be claimable such as actual loss from devaluation, plus possible general damages for emotional or disruptive impact and punitive damages for egregious conduct.  If you share what happened, what item was affected, and what harm occurred, Pollock Paralegal can outline practical next steps and how to organize your evidence for a strong claim in Ontario.  Call (519) 694-0363 for a fast intake and options.

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Wrongful Interference With Personal Belongings

Trespass to chattels involves wrongful harm by interference with chattels, chattels being legally defined as objects unattached to land that include personal belongings such as household furnishings, artwork, clothing, appliances, among other things, as well as commercial belongings such as moveable machinery, goods for sale as inventory stock, animals as livestock, among various other objects.

The Law

Trespass to chattels is similar to conversion and detinue whereas all three relate to wrongful interference with a chattel; however, the distinguishing nuance with trespass to chattels is that the object remains in possession or control of the owner or person with rightful possession which differs from conversion and detinue where the owner or person with rightful possession is deprived of possession.  Perhaps the easiest way to explain the difference is to use the criminal law term in that conversion or detinue may arise from theft (criminal law term) of the object, being interference by removing the chattel from the possession of the rightful owner or person with right of possession and trespass to chattels may arise from vandalism (criminal law term) being interference without removal of the chattel.

The elements necessary to give rise to the tort of trespass to chattels were well articulated in Ontario Consumers Home Services v. Enercare Inc., 2014 ONSC 4154, where it was stated:


[50]  In Hudson’s Bay Company v. White, [1997] O.J. No. 307 (Ont.Gen.Div.) Lederman J. at para. 8 referenced the criteria necessary for trespass to chattels:

In Clerk and Lindsell on Torts, 17th ed.  (London: Sweet and Maxwell, 1995), at p.  705, the authors define trespass to chattels, or “trespass to goods”, as being concerned with “the direct, immediate interference with the plaintiff’s possession of a chattel”.  Halsbury’s offers a similar definition at Vol.  45, para.  1491: “Trespass to goods is an unlawful disturbance of the possession of goods by seizure or removal, or by a direct act causing damage to the goods”.

Claimable Damages

Where chattels, such as an automobile as a personal belonging, or other thing, is harmed per the law of trespass to chattels, a lawsuit may make claim for the resulting actual loss suffered, meaning the devaluation of the object as a result of the harm to the object.  Furthermore, depending on the circumstances, especially where the trespass was troublesome and emotionally disruptive, general damages may be appropriate; and additionally, where the trespass was intentional or egregiously malicious, punitive damages may be applicable.

Conclusion

The tort of trespass to chattels is found within the family of interference torts which include, among others, the torts of conversion and detinue.  The key difference with the tort of trespass to chattels and the tort of conversion or the tort of detinue, is that with trespass to chattels, the chattels, meaning goods or personal belongings, remain with the rightful owner or person with rightful possession.

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