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Appeals › Summary Judgment › Prosecution History Estoppel

Sheppard Mullin Richter & Hampton LLP

The Push and Pull of Prosecution Estoppel: How Cancelled Claims Can Affect the Scope of Non-Amended Claims

Sheppard Mullin Richter & Hampton LLP on

Prosecution history estoppel may narrow the scope of a claim that was unamended during prosecution, if another closely related claim is amended or cancelled during prosecution....more

McDonnell Boehnen Hulbert & Berghoff LLP

Colibri Heart Valve LLC v. Medtronic Corevalve, LLC (Fed. Cir. 2025)

McDonnell Boehnen Hulbert & Berghoff LLP on

The doctrine of equivalents (DOE), a creation of the Supreme Court in Graver Tank & Mfg. v. Linde Air Products (1950), is balanced by the concept of prosecution history estoppel (PHE), the contours of which were delineated...more

Jones Day

ABPA v. Ford: Design Patent Defenses Run Out of Gas on Appeal - A U.S. Court of Appeals for the Federal Circuit decision...

Jones Day on

On July 23, 2019, the U.S. Court of Appeals for the Federal Circuit released its decision affirming summary judgment that the asserted design patents were not invalid for non-ornamentality under 35 U.S.C. § 171, and rejecting...more

Knobbe Martens

Ottah v. Fiat Chrysler

Knobbe Martens on

Federal Circuit Summaries - Before Newman, Hughes, and Stoll. Appeal from U.S. District Court for the Southern District of New York. Summary: General disclosures in the specification and statements that describe the...more

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