Katz Appeals American Airlines Win In Patent Dispute

Law360, New York (June 26, 2009, 12:00 AM EDT) -- Billionaire inventor Ronald A. Katz has appealed a final judgment in favor of American Airlines Inc. in a spat over patents covering interactive voice applications, opening a new chapter in a fight that has seen the inventor sue blue chip companies across a range of industries.

Katz's firm Ronald A Katz Technology Licensing LP, or Raktl, has appealed the judgment to the U.S. Court of Appeals for the Federal Circuit, it said in a notice filed Monday in the U.S. District Court for the District of...
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