About Susan

Susan Sack is a founding partner whose practice covers solicitors' negligence defence and estate and capacity litigation. She defends solicitors in negligence proceedings and works on loss prevention and repair efforts to head off claims before they arise, and she handles a wide range of estate matters including dependant's relief, will interpretation and rectification, and disputes over powers of attorney and guardianship. She has appeared at all levels of court in Ontario and also works as a mediator. Susan lectures frequently on family law and estate topics for the Law Society of Ontario and the Family Dispute Resolution Institute of Ontario. She graduated from Osgoode Hall in 1985 and was called to the Ontario Bar in 1987.

Education & credentials

Law school
Osgoode Hall Law School

Is this you?

Fix or remove this listing, or add a free listing badge

Something wrong with this listing? Tell us and we’ll hide it right away while we review your request, then correct it or take it down.

Add your free listing badge

Add the free LawOnline listing badge to your website. It tells visitors you’re listed in an independent Canadian lawyer directory and links back to this profile. Being listed isn’t a certification or an endorsement, and the badge doesn’t mean we’ve checked your credentials.

LawOnline.ca Canadian Lawyer Directory listing badge

This listing was generated by AI from public sources in August 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on their firm’s website. Confirm Susan Sack’s licence and standing in the Law Society of Ontario directory ↗

How this data is compiled and checked · Correct or remove this listing