You need purchase records, the product itself, photos of the scene, medical records, proof of money losses, and prior complaints before filing a product defect lawsuit. A product defect lawsuit is a civil claim that a manufacturing, design, or warning defect made a product unsafe during foreseeable use. Gather these items early because details fade and conditions change. Photos, notes, and packaging are much harder to replace after repair, cleanup, or disposal.
Official resources:
- Read the original report from FDA — Use this primary source to review the complete report.
- Read the official guidance from Cornell — Use this primary source to verify the official guidance.
Table of Contents
- Which papers prove you had the exact product?
- How do you preserve the product and scene?
- What medical and cost records link injury to loss?
- What shows use history and prior notice?
- Do you have a defect, not just an injury?
Which papers prove you had the exact product?
Keep receipts, order confirmations, invoices, and warranty papers. According to Finch McCranie LLP in its filing-steps guide, also save model, serial, and lot numbers plus packaging to trace the item.
Useful identity records include: Store originals and clear copies together. Missing lot numbers can make tracing slower.
- store or online receipt and order confirmation
- warranty card, registration, and manual
- box labels showing model, serial, or lot number
How do you preserve the product and scene?
Keep the product in its post-incident condition with broken pieces, labels, manuals, and warnings. Do not repair, clean, or alter it so experts can examine the defect, as explained by Solberg Stewart Miller in its evidence-preservation guide.
Photograph and video the product, accident scene, visible injuries, and property damage. Write down what happened right away, including date, place, settings, and how you used the product.
What medical and cost records link injury to loss?
Get prompt medical care and keep treatment records, bills, imaging, prescriptions, and provider notes. Justia explains in its products-liability claim guide that these records create a timeline linking the product to the injury.
Document financial harm with: Damages must be reasonably quantifiable and supported by evidence. Keep every bill even if insurance paid part of it.
- medical bills and pharmacy receipts
- repair receipts and property-damage estimates
- pay stubs and missed-work records
What shows use history and prior notice?
Save emails, chats, complaints, and warranty claims with the maker or seller. Also keep witness names, statements, and any recall notices for the same product.
These items can show how the product was used, when problems were reported, and whether similar incidents occurred. Keep sent messages and replies with dates intact.
Do you have a defect, not just an injury?
Being hurt while using a product is not enough by itself. Cornell Law School explains in its products-liability overview that plaintiffs generally must show a manufacturing, design, or warning defect, foreseeable use, and direct causation of compensable loss.
For consumer products or drugs and devices, file a federal safety report with product, maker and model, incident facts, injury severity, and date. Keep a copy of what you submit and any confirmation number.