#prosecution-history-estoppel

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fromIPWatchdog.com | Patents & Intellectual Property Law
1 week ago

CAFC Says Prosecution History Estoppel Bars Doctrine of Equivalents Argument Due to Claim Cancellation

Cancellation bears on what can be covered under the doctrine of equivalents... because a relevant artisan would understand the close basic-physics relationship of the cancelled and retained claims.
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fromPatently-O
2 weeks ago

Federal Circuit Expands Prosecution History Estoppel to Simple Claim Cancellations in Colibri Heart Valve

Prosecution history estoppel limits the doctrine of equivalents by barring infringement claims based on broad claim cancellations during prosecution.
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