What Is the Difference Between Product Liability and General Liability Insurance?

Product Liability Insurance covers bodily injury and property damage caused by products manufactured, sold, or distributed by the insured after those products leave the business premises, while general liability insurance covers injuries and damages occurring on the business premises or during business operations excluding product-related claims.

The Insurance Services Office (ISO) Commercial General Liability (CGL) policy form CG 00 01 includes both coverages under a unified policy structure, with Coverage A addressing both premises-operations liability and products-completed operations liability as distinct exposure categories.

Product liability coverage applies when a defective product causes harm anywhere in the distribution chain or during consumer use, whereas general liability applies to slip-and-fall injuries, property damage from business activities, and advertising injury claims.

The temporal distinction between these coverages centers on when and where the liability-generating event occurs.

General liability insurance responds to incidents arising from ongoing business operations, such as a delivery driver causing an accident or a customer injured in a retail store, with coverage terminating when the policy period ends.

Product liability insurance maintains extended tail coverage because products remain in use long after manufacture, creating potential claims years after sale through the completed operations hazard. The ISO classification system assigns different premium rates to these exposure types, with product liability typically requiring higher premiums due to the extended period during which claims can arise and the severity of product defect litigation.

Manufacturing operations require both coverage types because they face distinct liability exposures. General liability protects against workplace injuries to visitors, damage to rented facilities, and injuries during product installation or service work performed at customer locations. Product liability addresses manufacturing defects, design defects, and failure to warn claims arising after products enter commerce and cause injury during intended or foreseeable use.

The National Association of Insurance Commissioners (NAIC) model regulations establish that manufacturers cannot adequately protect their operations with general liability alone because standard CGL policies specifically exclude certain product liability exposures requiring specialized coverage endorsements.

Insurance underwriters evaluate these coverages separately during policy rating, analyzing general liability exposure through facility operations, employee count, and annual sales, while assessing product liability through product type, distribution channels, quality control measures, and historical claims data. Policy limits apply independently to each coverage, though most CGL policies include both under a combined single limit structure.

Manufacturers should maintain minimum limits of one million dollars per occurrence and two million dollars aggregate for both general and product liability to meet typical contractual requirements and provide adequate protection against catastrophic claims in either category.

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