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High Time For More Definite Patent Claims?

Law360 (March 31, 2009, 12:00 AM EDT) -- Recently, the U.S. Patent and Trademark Office Board of Patent Appeals and Interferences rendered a rare precedential opinion, which appears to have lowered the threshold in determining whether the claims of a patent are invalid.[1]

Specifically, the board held that claims were invalid for being indefinite because claim terms were viewed as being ambiguous and having two or more plausible claim constructions.

This article provides a discussion on the legal background of this board decision, the decision itself, and a brief discussion on the decision’s potential...
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