News & Analysis as of

Patent Prosecution Estoppel

Lathrop GPM

Federal Circuit Says Claim Cancellation Can Create Prosecution History Estoppel

Lathrop GPM on

In a July 18 precedential decision in Colibri Heart Valve LLC v. Medtronic CoreValve LLC, the U.S. Court of Appeals for the Federal Circuit overturned a $106 million jury verdict against Medtronic for infringement of a patent...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions: Introduction

Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no exception. It briefly returned to live...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

Knobbe Martens

Prosecution History Disclaimer and Estoppel Lead To Noninfringement

Knobbe Martens on

TRAXCELL TECHNOLOGIES, LLC V. NOKIA SOLUTIONS AND NETWORKS Before Prost, O’Malley, and Stoll. Appeal from the Eastern District of Texas. Summary: An applicant’s arguments distinguishing prior art during patent...more

Knobbe Martens

Sanofi, Sanofi-Aventis U.S., LLC V. Watson Labs. Inc., Sandoz, Inc.

Knobbe Martens on

Federal Circuit Summaries - Before PROST, WALLACH, and TARANTO.  Appeal from the District of Delaware Summary: (1) A party may not avoid inducement based on “substantial non-infringing uses,” and (2) prosecution history...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Doctrine of Equivalents and Prosecution History Estoppel Around the World

Please see full Doctrine of Equivalents Chart for Countries around the World. ...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Global Patent Prosecution Newsletter - September 2017

Worldwide Doctrine of Equivalents and Prosecution History Estoppel - The doctrine of equivalents (DOE) arises in the context of a patent infringement action where the accused product or process does not literally infringe...more

Fenwick & West LLP

An Examination “Off-Ramp” For Motions To Amend Still Raises Hopes and Questions

Fenwick & West LLP on

During the first three years of implementing the America Invents Act (AIA), Patent Trial and Appeal Board (PTAB) decision-making created a perception that a patent owner’s ability to amend claims during a post-grant...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit Applies Prosecution History Estoppel to Issued Claims Based on Amendments Made to Previously Canceled Claims

On September 8, 2016, the Federal Circuit affirmed a decision from the Eastern District of Virginia in which the district court held that UCB, Inc.’s Cimzia® antibody does not infringe Yeda’s U.S. Patent No. 6,090,923 (“the...more

McDonnell Boehnen Hulbert & Berghoff LLP

News from Abroad: Canada's Federal Court Questions No File Wrapper Estoppel on Claim Construction

The Supreme Court of Canada in Free World Trust v Électro Santé Inc, 2000 SCC 66 rejected the use of extrinsic documents such as file wrappers (patent prosecution histories) for claim construction, on the basis that allowing...more

Patterson Belknap Webb & Tyler LLP

Judge Abrams Dismisses Case Based on Arguments Made to the PTO During Prosecution

On August 9, 2016, District Judge Ronnie Abrams (S.D.N.Y.) granted defendant Richloom Fabrics Group, Inc.’s motion to dismiss plaintiff Anchor Sales & Marketing, Inc.’s allegation of patent infringement based on the doctrine...more

McDermott Will & Emery

Be Careful What You Draw: Prosecution History Estoppel Applies to Design Patents - Pacific Coast Marine v. Malibu Boats, LLC

Addressing for the first time the applicability of prosecution history estoppel in design patent cases, the U.S. Court of Appeals for the Federal Circuit reversed the lower court, holding that while prosecution history...more

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