Who may be responsible
Pipe failures lead to claims against different parties depending on why the pipe failed. A defective pipe or fitting can support a product claim against the manufacturer, and some pipe and fitting products have been the subject of class actions with their own claims procedures. Poor installation points toward the plumber or contractor. In apartment buildings, condominiums, and co-ops, the lease, the bylaws, or the proprietary lease often decide whether the owner, the board, or the unit owner is responsible for a given pipe, and a leak from an upstairs unit can bring in a neighbor and their insurer. Your own property insurer is often the first source of payment, although policies commonly distinguish sudden discharges from slow leaks and wear.
Keep the failed piece
The failed section of pipe, the fitting, or the valve is often the most important evidence in a pipe lawsuit, because testing can show whether it was defective, improperly installed, or damaged by something else. Ask the plumber to save it, label it, and note where it came from, and do not let a contractor or an adjuster discard it. Take photos and video of the damage before cleanup, keep the plumber's report and invoices, and document the steps taken to stop further damage, since insurers and courts generally expect property owners to limit the loss. Notify your insurer and, in a building, the managing agent promptly, and keep copies of what you send. If a manufacturer or another party's insurer asks to inspect, coordinate that through counsel so everyone is present.
Sorting out the claims
In a first conversation we look at what failed, who installed and maintained it, what your insurance policy says, and whether the insurer has paid, denied, or limited the claim. If your insurer pays, it may pursue the responsible party itself, and losses it did not cover, such as your deductible, can sometimes be pursued alongside that claim. If the product may be part of a class settlement, the notice and claim deadlines need to be checked. If you reached this page looking for disputes over PIPE financing, meaning a private investment in a public company, that is a securities matter, and we can discuss it separately.