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Doctrine of Equivalents Appeals Claim Construction

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Sidesteps Ruling on the Reverse Doctrine of Equivalents Theory in Steuben Foods Inc. v. Shibuya...

In this edition of The Precedent, we outline the decision in Steuben Foods Inc. v. Shibuya Hoppmann Corp. This case addresses whether the reverse doctrine of equivalents (RDOE) is a viable defense to patent infringement....more

Fitch, Even, Tabin & Flannery LLP

Is the End Near for the Reverse Doctrine of Equivalents?

On January 24, in Steuben Foods, Inc v. Shibuya Hoppman Corporation, the Federal Circuit found that Steuben had made a compelling argument that the common law Reverse Doctrine of Equivalents (RDOE) did not survive the 1952...more

McDermott Will & Emery

Bottling the Truth: Equivalence and Reverse Equivalence

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The US Court of Appeals for the Federal Circuit ruled that the “substantially the same way” comparison in connection with a doctrine of equivalents (DOE) analysis involving a means-plus-function claim limitation should focus...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Steuben Foods, Inc. v. Shibuya Hoppman Corp.

Steuben Foods, Inc. v. Shibuya Hoppman Corp., Appeal No. 2023-1790 (Fed. Cir. Jan. 24, 2025) In its only precedential patent decision this week, the Federal Circuit addressed an “anachronistic exception, long mentioned but...more

McDermott Will & Emery

Equivalence Requires Element-by-Element Proof With Linking Argument

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The US Court of Appeals for the Federal Circuit affirmed a district court determination that a patent owner had not provided the “particularized testimony and linking argument” required to demonstrate equivalence under the...more

McDonnell Boehnen Hulbert & Berghoff LLP

Wisconsin Alumni Research Foundation v. Apple Inc. (Fed. Cir. 2024)

In a joint appeal of two adverse decisions from the District Court, the Federal Circuit on procedural grounds rejected an appeal from the Wisconsin Alumni Research Foundation ("WARF") in Wisconsin Alumni Research Foundation...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Nails Unqualified Expert

On January 21, in Kyocera Senco Industrial Tools Inc. v. ITC, the Federal Circuit found that the patent owner’s expert witness on infringement was unqualified under the definition of the level of ordinary skill in the art...more

McDermott Will & Emery

Doctrine of Equivalents Analysis Should Not Be Simple Binary Comparison

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The US Court of Appeals for the Federal Circuit remanded a district court’s claim construction and grant of a defendant’s summary judgment motion of non-infringement under the doctrine of equivalents, finding that a...more

Knobbe Martens

Federal Circuit Review - June 2019

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One-year Clock for Filing IPR Petition Applies to Litigants and Parties that Become Privies of the Litigant Prior to Institution. In Power Integrations, Inc v. Semiconductor Components, Appeal No. 2018-1607, the Federal...more

Schwabe, Williamson & Wyatt PC

Latest Federal Circuit Court Cases - July 2018 #2

PATENT CASE OF THE WEEK - Power Integrations, Inc. v. Fairchild Semiconductor Int’l, Inc., Appeal Nos. 2016-2691, 2017-1875 (Fed. Cir. July 3, 2018) - The Court affirmed a jury verdict of patent infringement and vacated a...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

PATENT CASE OF THE WEEK - Ottah v. Fiat Chrysler, Appeal No. 2017-1842 (March 7, 2018) - In Ottah v. Fiat Chrysler, the Federal Circuit affirmed a district court’s grant of summary judgment of non-infringement as to...more

Harris Beach Murtha PLLC

Patent Infringement Claims Simply Require Alleging Facts Stating a Plausible Claim

The United States Court of Appeals for the Federal Circuit (“Federal Circuit”) addressed the pleading standards for direct infringement, doctrine of equivalents infringement, indirect infringement and willful infringement in...more

Schwabe, Williamson & Wyatt PC

2017 and Early 2018 Supreme Court and Precedential Patent Cases From the Federal Circuit

Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more

Schwabe, Williamson & Wyatt PC

2017 Supreme Court and Precedential Patent Cases From the Federal Circuit, With Some Significant Cases from 2016

Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more

Knobbe Martens

Doctrine of Equivalents under Enzo Biochem Inc. v. Applera Corp.

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Before Prost, O’Malley, and Wallach. Appeal from the District of Connecticut (nonprecedential). On August 2, 2017, the Federal Circuit affirmed a decision by the U.S. District Court for the District of Connecticut granting...more

Schwabe, Williamson & Wyatt PC

Summaries of All Supreme Court and Precedential Federal Circuit Patent Cases Decided Since Jun. 1, 2016

This paper is based on reports on precedential patent cases decided by the Federal Circuit distributed by Peter Heuser on a weekly basis. ...more

Schwabe, Williamson & Wyatt PC

Recent Developments In Patent Law May 17, 2017

Update to TC Heartland LLC v. Kraft Foods Group Brands LLC, Case No. 16-341 (May 22, 2017) - In an 8-0 opinion written by Justice Thomas (Justice Gorsuch did not participate), the Supreme Court rules that a defendant...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Precedential Patent Cases From the Federal Circuit

In Mylan v. Aurobindo the Circuit affirms the grant of a preliminary injunction based upon the infringement of one of the three patents in suit. However, the panel reverses the injunction as to the other two patents based on...more

Knobbe Martens

Federal Circuit Review | January 2017

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PTAB’s Final Written Decision in IPR Must Explain Its Basis for a Motivation to Combine References - In In Re: Nuvasive, Inc., Appeal No. 2015-1670, the Federal Circuit vacated the PTAB’s obviousness finding in an IPR,...more

McDermott Will & Emery

Look to Specification to Interpret Facially Unclear Claims

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Addressing claim construction issues, the US Court of Appeals for the Federal Circuit reiterated the necessity of reading claims in the context of the written description when they are not clear on their face. Howmedica...more

Knobbe Martens

Federal Circuit Review - Volume 2 | Issue 12 December 2012

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In This Issue: • Indexing Not Required for Online Prior Art Publication • Claim Indefinite for Not Disclosing Any Structure • Aluminum Not Inherently Disclosed - Excerpt from Claim Indexing Not Required...more

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