Caterpillar Fights USPTO Decision On Diesel Engine Patent

Law360, New York (January 30, 2005, 12:00 AM EST) -- Equipment maker Caterpillar Inc. has asked the U.S. Patent and Trademark Office to reverse an examiner's conclusion that its patent for a groundbreaking diesel engine should never have been issued due to the existence of prior art.

Attorneys for Caterpillar filed their arguments with the USPTO last week after examiner Thomas Moulis agreed in December with Clyde Bryant, a retired chemist formerly with the Centers for Disease Control and Prevention, that many aspects of Caterpillars’ patent are questionable and that the patent should never have been...
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