Results for prosecution history estoppel.

Edwards Lifesciences v. Cook, Inc.

Case Number: CLB0231

Date: 09.22.2009

The Federal Circuit concludes that a district court was correct in construing various claim terms as having the same meaning, in spite of apparent claim differentiation and broadening amendments made with respect to some of the terms during prosecution.

view Case Detail Download PDF

Felix v. American Honda

Case Number: CLB0217

Date: 04.10.2009

A narrowing amendment to a claim, even if the amendment does not place the claim in condition for allowance, may result in prosecution history estoppel barring assertion of infringement under the doctrine of equivalents.

view Case Detail Download PDF

Honeywell Int’l Inc. v. Hamilton Sundstrand Corp.

Case Number: CLB0193

Date: 04.18.2008

A presumption of prosecution history estoppel may be rebutted by a showing of unforeseeability of the alleged equivalent at the time of the narrowing amendment or by a showing of tangentiality of the alleged equivalent with respect to the rationale for the narrowing amendment.

view Case Detail Download PDF