Utah Supreme Court
When are cat owners liable for injuries caused by their pets? Jackson v. Mateus Explained
Summary
Jackson was bitten by defendants’ cat while attempting to pet it on her deck, causing aggravation of her autoimmune disorder and over $40,000 in medical expenses. The district court granted summary judgment for the cat owners, finding no duty to restrain the cat. Jackson appealed, arguing liability under common law, county ordinances, and by extension of the dog bite statute.
Practice Areas & Topics
Analysis
The Utah Supreme Court recently addressed an interesting question of domestic animal liability in Jackson v. Mateus, establishing clear limits on when cat owners can be held liable for injuries caused by their pets.
Background and Facts
Judith Jackson was bitten by the defendants’ cat while attempting to pet what she initially thought was one of her own cats on her home’s deck. The bite aggravated Jackson’s pre-existing autoimmune disorder, resulting in multiple surgeries and over $40,000 in medical expenses. The defendants’ ten-year-old cat had never previously bitten anyone or exhibited aggressive tendencies. Jackson sued for negligence, arguing the owners failed to properly restrain their cat.
Key Legal Issues
The case centered on whether cat owners have a duty of care to restrain their domestic cats. Jackson argued for liability under three theories: common law as articulated in Restatement (Second) of Torts § 518, Salt Lake County ordinances requiring restraint of “vicious animals,” and extension of Utah’s dog bite statute to cats.
Court’s Analysis and Holding
The Court affirmed summary judgment, holding that cat owners have no duty to restrain their pets absent foreseeability of harm. Under common law, liability typically requires the owner’s knowledge of the animal’s vicious propensity. The Court declined to adopt Restatement § 518, noting that even under that standard, no duty existed without foreseeable harm. The Court rejected Jackson’s interpretation of county ordinances as creating strict liability, explaining that such reading would create “absurd results.” Finally, the Court refused to extend Utah’s dog bite statute to cats, emphasizing that statutory interpretation must respect legislative intent.
Practice Implications
This decision establishes that Utah follows the traditional “one bite rule” for domestic cats, requiring evidence of the animal’s dangerous propensity or circumstances making harm foreseeable. Practitioners representing animal bite victims must focus on establishing foreseeability through evidence of prior aggressive behavior, specific circumstances that should have alerted the owner, or statutory violations that create duties independent of foreseeability.
Case Details
Case Name
Jackson v. Mateus
Citation
2003 UT 18
Court
Utah Supreme Court
Case Number
No. 20010387
Date Decided
May 6, 2003
Outcome
Affirmed
Holding
Under common law, an owner of a domestic cat is not liable for the unforeseeable actions of their cat absent knowledge or reason to know of the animal’s vicious or dangerous propensity.
Standard of Review
Correctness for summary judgment rulings
Practice Tip
When challenging summary judgment in animal liability cases, present evidence of the animal’s previous aggressive behavior or circumstances that made harm foreseeable to establish the owner’s duty of care.
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About these Decision Summaries
Lotus Appellate Law publishes these summaries to keep practitioners informed — not as legal advice. Each case turns on its own facts. If a decision here is relevant to your matter, we’re happy to discuss it.