Amazon's Kindle Fire Infringes Two Playlist Patents: Suit

Law360, New York (November 22, 2011, 8:43 PM EST) -- Personal Audio LLC on Tuesday sued Inc. in Texas federal court, alleging the Kindle Fire tablet computer infringes two patents for playlist technology.

Texas-based Personal Audio claims that Amazon has violated U.S. Patent Number 7,509,178, titled “Audio program distribution and playback system,” and U.S. Patent Number 6,199,076, titled “Audio program player including a dynamic program selection controller,” with its recently released tablet computer version of the Kindle reader.

The patents bear on a player that can reproduce a selection of audio files and is capable...
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