Law360, New York (June 07, 2007, 12:00 AM ET) -- Prolific inventor Ronald A. Katz, whose portfolio of telecommunications patents has already earned him over $1 billion, has filed another two patent infringement suits—this time against energy companies in North Carolina and Nevada.
The North Carolina suit was filed against Progress Energy Inc., its subsidiaries and RBC Centura Bank. The Nevada suit was filed against Sierra Pacific Resources and Nevada Power Co.
The suit accuses the companies of infringing on a series of patents related to call processing systems that offer automated customer service to customers....
Energy Companies Hit By Call Systems Patent Suits
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