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Protected purchaser (Securities Transfer Act)

Under Ontario’s Securities Transfer Act, 2006, a protected purchaser is a purchaser of a security, or an interest in it, who gives value, has no notice of any adverse claim and obtains control. Such a purchaser also acquires the purchaser’s interest in the security free of any adverse claim.

Share buyers meet this term when they want clean title at closing. This entry covers Ontario’s Act only; check the rules where you are. Its definition has three parts, and a buyer must meet all of them: the buyer gives value, does not have notice of any adverse claim to the security, and obtains control of it. The Act counts a sale, mortgage or pledge, among other voluntary transactions, as a purchase. See hidden liabilities in a share purchase.

What the status gives

Section 70 says a protected purchaser, in addition to acquiring the rights of a purchaser, also acquires the purchaser’s interest in the security free of any adverse claim. A separate rule in s.28(6) of Ontario’s Personal Property Security Act lets a purchaser of a security, other than a secured party, take it free from the security interest if the purchaser gives value, does not know the transaction breaches a security agreement and obtains control, where the secured party does not have control.

What to ask

  • What adverse claims, such as a pledge, the seller has disclosed or the buyer has been told about
  • Whether the buyer will obtain control as the Act uses that word, and how
  • What the buyer already knows, since notice defeats the status

See also share certificate and transfer endorsement.

Sources

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

  1. 01
    Government of OntarioGovernment
    Securities Transfer Act, 2006, S.O. 2006, c. 8
    ontario.ca·Checked Oct 25, 2026
  2. 02
    Government of OntarioGovernment
    Personal Property Security Act, R.S.O. 1990, c. P.10
    ontario.ca·Checked Aug 16, 2026

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