Dog Owners Liability Act
The owner of a dog is liable for damages resulting from a bite or attack by the dog on another person or domestic animal.
Proceedings against owner of dog
A proceeding may be commenced in the Ontario Court of Justice against an owner of a dog if it is alleged that,
(a) the dog has bitten or attacked a person or domestic animal;
(b) the dog has behaved in a manner that poses a menace to the safety of persons or domestic animals; or
(c) the owner did not exercise reasonable precautions to prevent the dog from,
(i) biting or attacking a person or domestic animal, or
(ii) behaving in a manner that poses a menace to the safety of persons or domestic animals.