Blockbuster, Others Sued Over Promotion Code Patents

Law360, New York (June 3, 2011, 5:16 PM EDT) -- Blockbuster Inc., Kohl's Illinois Inc., J.C. Penney Co. Inc. and Redbox LLC were hit with a patent suit Thursday in Texas claiming they infringed patents for a promotional discount code system and a method to gauge customer response to promotions.

CodePro Innovations LLC's complaint asserts U.S. Patent Numbers 5,924,078 and 5,717,866, issued in 1999 and 1998, respectively.

The inventions at issue in the case were designed to provide consumers a way of using discount codes without having to carry physical coupons, and to replace the tradition...
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