Media company Discovery Communications intellectual property subsidiary Discovery Patent Holdings has reportedly filed a suit against online books retailer Amazon.com, Inc. According to the company, Amazon's line of Kindle e-book readers infringe on two patents held by the company. The suit is the second between the two companies over such technologies.
In March 2009, Discovery Communications sued Amazon for violating a comprehensive patent on e-book readers titled 'Electronic Book Security and Copyright Protection System'. This covered the Kindle and Kindle 2 models. The latest suit names Discovery Patent Holdings as the plaintiff and adds the DX model also as a new patent which was titled 'Electronic Book Selection and Delivery System'.
The complaint was filed in Delaware's federal district court. The company claims it was issued the affected patents in 1999 and 2007. Discovery is demanding an unspecified set of royalties and is also asking the court for a jury trial.
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