Synopsis As Introduced Creates the Product Seller Liability Act. Provides that no action based on any legal theory for harm of any kind may be brought against a product seller unless the product seller: (1) manufactured, produced, or designed the product; (2) altered, modified, assembled, or failed to maintain the product, in a manner that caused the claimant's harm; or (3) made an express warranty as to the product, and the failure of the product to conform to the warranty caused the claimant's harm. Provides an exception to the prohibition of actions against a product seller if the product manufacturer is not subject to personal jurisdiction in Illinois. Provides that the Act applies to all claims filed on or after its effective date. Effective July 1, 2008.