Which Legal Theory Fits What Happened at the Park
Two legal theories do most of the work in a park injury case, and a third Michigan statute sometimes comes up as a defense. Each theory points at different people and asks for different proof, so the one that fits shapes who a claim can be brought against.
Premises liability is the duty a property owner or operator owes to people on its property: to keep the grounds reasonably safe and to deal with hazards it knows about or should know about. What that duty requires depends on Michigan's current law and the facts of the visit. Falls on walkways, broken railings and unsafe queue areas usually sit here.
Product liability is the responsibility a manufacturer or seller can carry when a product it made or sold is defective and the defect causes injury. At a park, the "product" can be a ride or one of its parts, such as a ride restraint, meaning the lap bar, harness, seat belt or shoulder bar that holds a rider in place.
The third piece is section 324.73301 of the Michigan Compiled Laws, often called the recreational-use statute. As the statute's official text puts it, "a cause of action does not arise for injuries to a person who is on the land of another without paying to the owner, tenant, or lessee of the land a valuable consideration for the purpose of fishing, hunting, trapping, camping, hiking, sightseeing, motorcycling, snowmobiling, or any other outdoor recreational use or trail use, with or without permission, against the owner, tenant, or lessee of the land unless the injuries were caused by the gross negligence or willful and wanton misconduct of the owner, tenant, or lessee." The statute turns on whether the person paid. Whether it bears on a particular visit, including whether admission was paid, depends on the facts.
If you are trying to understand a Michigan amusement park accident, the stakes are concrete: the wrong frame can point a claim at the wrong party, and a recreational-use defense, where it applies, can raise the bar to gross negligence or willful and wanton misconduct. A conversation with an attorney can help sort out which theory, or which combination, the facts point toward. The site's overview of how theme park claims work covers the general concepts in more depth.