AmEx Sued Over Customer Rewards Patent

Law360, New York (August 15, 2005, 12:00 AM EDT) -- A small California company is taking American Express to court, asserting its patents that cover a widely used customer rewards method.

Source Inc. alleges the credit card giant is infringing its patents by promoting a new customer rewards credit card called the “True Earnings Card.” Source recently sued travel-services giant Cendant Corp., asserting the same four patents, and has plans to sue hundreds of additional companies.

The patents cover a method of “Cash Value Accumulation” for customers through a centralized merchant system. Cendant is allegedly infringing...
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