Shutterfly, Kodak Sue Each Other for Patent Infringement

Eastman Kodak Co. and rival Shutterfly Inc. have filed suit against each other, claiming patent infringement as competition heats up in the online photography market. Shutterfly, an Internet-based photo publishing service, said it received notice that Kodak had filed suit against the company, alleging it infringes Kodak's patents by making and selling image products through its website.