Amazon ‘Acted as a Seller’ of Defective Pull-Up Bar, Suit Says

A pull-up bar purchased on Amazon.com Inc.'s web marketplace failed and caused a serious knee injury, a Washington, D.C., man says in a Thursday lawsuit that may give the federal court there its first chance to address whether Amazon is a “seller” subject to liability.

The “Fulfillment by Amazon” transaction included shipment from an Amazon warehouse in Kentucky in a package with the Amazon logo, Michael Rosen says. His complaint was filed in the U.S. District Court for the District of Columbia.

Rosen and his building manager followed all the instructions when they installed the pull-up bar on a door ...