Dog Owners Liability Act In Ontario, dog owners may find themselves liable to pay for the wrongful acts of their dogs. The Dog Owners' Liability Act governs the situation. The Act provides that a dog owner is liable for damages resulting from a bite or attack by the dog on another person or domestic animal. At Street Justice, the owner has over 25 years experience in the pet industry and has handled numerous clients charged under this act. Eric has a access to professional animal trainers to assess pets and other issues.