OREGON DOG BITE LAWS
negligent. To prove that a dog owner was negligent you must prove that they knew or should have known that their dog would injure you if they did not use reasonable care to control or confine their dog and they failed to use such reasonable care.
Different cities and counties define "dog at large" differently. Within Bend, Madras, Redmond and Sisters Oregon a dog is "at-large" if it is not leashed, bridled or confined within a vehicle. Bend Code, Madras Ordinance, Redmond Municipal Code, Sisters Municipal Code.
In Deschutes County outside the city limits a dog is not deemed to be "at-large" so long as it is under the complete control of the dog owner or another capable person even though the dog is not leashed, bridled or otherwise confined. The City of Prineville has a similar regulation.