How Premises Liability and Negligent Supervision Apply to Trampoline Park Injuries
Premises liability is the legal duty a property owner or operator owes to people who come onto its property. At a trampoline park, that can mean questions about a torn mat, a missing pad over a spring or frame, or an overcrowded court the park knew about, or should have known about, and did not fix or warn guests about.
Negligent supervision is a related theory. It asks whether a park failed to provide adequate staff oversight, for example where court monitors did not enforce posted rules or did not step in when larger and smaller jumpers shared a court.
For someone who was hurt, the question underneath either theory is whether what went wrong on the court was the park's responsibility. The law breaks that question into four parts:
- Duty: did the park owe the jumper reasonable care?
- Breach: did the park fall short of that care?
- Causation: did that shortfall actually lead to the injury?
- Damages: what harm resulted, such as medical expenses, lost earnings and pain and suffering, as the state's law allows?
Whether each part is met depends on the facts; an injury on its own does not prove anyone's fault.
This is where the rules from the earlier sections come back in. Inspection records, incident reports and permit status can be relevant evidence on breach. A failed inspection, or a gap between the park's practices and ASTM F2970, may carry weight in one state and less in another. Equipment raises a separate question. Under 16 C.F.R. § 1115.4, the Commission's rules describe a defect as "a fault, flaw, or irregularity that causes weakness, failure, or inadequacy in form or function." A defect may be the result of a manufacturing or production error, or of a product's design or materials, and can also occur in a product's contents, construction, finish, packaging, warnings or instructions. That definition shapes what product makers must report. It does not decide whether a particular piece of equipment caused a particular injury.
The injured person's own conduct can matter too. Comparative fault is a rule that weighs the injured person's share of responsibility, for example ignoring a posted rule, against the defendant's. Comparative fault rules differ by state. A broader overview appears in our guide to a trampoline park injury claim.