News & Analysis as of

Doctrine of Equivalents Appeals Patents

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

McDermott Will & Emery

Sound the Alarm: Reasonable Royalty Apportionment Analysis Overlooks “Sleep State”

McDermott Will & Emery on

After a jury found infringement of two patents and awarded almost $2.2 billion in damages, the US Court of Appeals for the Federal Circuit reversed the infringement finding for one asserted patent, vacated the damages award...more

McDermott Will & Emery

Doctrine of Equivalents Analysis Should Not Be Simple Binary Comparison

McDermott Will & Emery on

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

McDonnell Boehnen Hulbert & Berghoff LLP

Galderma Laboratories, L.P. v. Amneal Pharmaceuticals LLC (Fed. Cir. 2020)

The Federal Circuit continued its recent willingness to affirm findings of infringement under the doctrine of equivalents (see, e.g., "Eli Lilly & Co. v. Hospira, Inc. (Fed. Cir. 2019)"), in Galderma Laboratories, L.P. v....more

McDonnell Boehnen Hulbert & Berghoff LLP

DOE Infringers Petition for Certiorari over PHE "Tangential Relationship" Test

Recently, the Federal Circuit has taken up issues relating to infringement under the doctrine of equivalents (DOE) and a related doctrine, prosecution history estoppel (PHE), that limits the scope of equivalents that can be...more

Knobbe Martens

Examiner Amendments Can Trigger Prosecution History Estoppel

Knobbe Martens on

Amgen, Inc. v. Amneal Pharmas. LLC et al - Before Newman, Lourie, and Taranto.  Appeal from the U.S. District Court for the District of Delaware. Summary: An examiner amendment may give rise to prosecution history...more

McDermott Will & Emery

Doctrine of Equivalents: Prosecution History Estoppel Can Be Both Amendment and Argument-Based

McDermott Will & Emery on

In a case involving at-home glucose monitoring systems, the US Court of Appeals for the Federal Circuit found the patent owner was estopped from asserting a doctrine of equivalents theory of infringement based on subject...more

Knobbe Martens

Prosecution History Estoppel Bars Infringement Claim Under Doctrine of Equivalents

Knobbe Martens on

PHARMA TECH SOLUTIONS, INC. v. LIFESCAN, INC. Before Moore, Reyna, and Stoll. Appeal from the United States District Court for the District of Nevada. Summary: Claims for infringement under the doctrine of equivalents...more

McDermott Will & Emery

Doctrine of Equivalents – It’s Over Before It Begins

The US Court of Appeals for the Federal Circuit affirmed a dismissal based on the defendant’s failure to state a claim motion, concluding that under principles of prosecution history estoppel, the patent owner could not...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Cautions Against Rigid Approach to Prosecution History Estoppel in Fourth Appeal from ALIMTA® Litigations

On August 9, 2019, the United States Court of Appeals for the Federal Circuit, in Eli Lilly & Co. v. Hospira, Inc., Nos. 2018-2126, 2127, 2128, reversed in-part and affirmed in-part a district court’s determination of...more

Knobbe Martens

Federal Circuit Review - June 2019

Knobbe Martens on

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 Court Cases - July 2019

PATENT CASE OF THE WEEK - Elbit Systems Land and C4I Ltd. v. Hughes Network Systems, LLC, Appeal No. 2018-1910 (Fed. Cir. June 25, 2019) - In this appeal from the United States District Court for the Eastern District of...more

Knobbe Martens

The Doctrine of Equivalents May Apply Despite Restriction Requirements and Narrow Claiming

Knobbe Martens on

UCB, INC. v. WATSON LABORATORIES INC. Before Taranto, Schall, and Chen. Appeal from the United States District Court for the District of Delaware. Summary: Application of the doctrine of equivalents may not be barred...more

Dechert LLP

Federal Circuit Panel Describes the Doctrine of Equivalents as Applying “Only in Exceptional Cases”

Dechert LLP on

In a patent owner’s declaratory judgment action under the Biologics Price Competition and Innovation Act (“BPCIA”) a Federal Circuit panel in Amgen Inc. v. Sandoz Inc., Appeal No. 2018-1551 (Fed. Cir. May 8, 2019) narrowly...more

McDermott Will & Emery

No Parking: Source of Anticipating Disclosure Determines If It’s “of Another”

McDermott Will & Emery on

In a combined opinion, the US Court of Appeals for the Federal Circuit addressed appeals from district court grants of summary judgment over two patents, and an appeal from the Patent Trial and Appeal Board (PTAB) that one of...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - February 2019

PATENT CASE OF THE WEEK - Duncan Parking Techs., Inc. v. IPS Group, Inc. and IPS Group, Inc. v. Duncan Solutions, Inc. et al., Appeal Nos. 2018-1205, -1360 (Fed. Cir. January 31, 2019) - The Court this week provided a...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

Ladas & Parry LLP

UK Supreme Court Decision In Actavis V. Eli Lilly – Doctrine Of Equivalents Recognized

Ladas & Parry LLP on

In its decision of July 12, 2017 in Actavis v. Eli Lilly, the Supreme Court of the United Kingdom for the first time formally adopted the concept of a doctrine of equivalents when considering what constituted an infringement...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 PLLC

Patent Infringement Claims Simply Require Alleging Facts Stating a Plausible Claim

Harris Beach PLLC on

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

Knobbe Martens

Federal Circuit Review - October 2017

Knobbe Martens on

Federal Circuit Denies En Banc Rehearing in Mentor Graphics v. EVE-USA - In Mentor Graphics Corp. v. Eve-USA, Inc., Appeal Nos. 2015-1470, 2015-1554, 2015-1556, the Federal Circuit denied Synopsys’ and EVE’s petition for...more

McDermott Will & Emery

Failure to Propose Proper Hypothetical Claim Dooms Doctrine of Equivalents

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed the vacatur of a jury verdict of infringement under the doctrine of equivalents and denial of infringement judgment as a matter of law (JMOL) where the patentee failed...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

Schwabe, Williamson & Wyatt PC

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

In Jang v. Boston Scientific, the Circuit takes on the doctrine of ensnarement, affirming a district court’s grant of JMOL based on the patentee’s inability to develop a hypothetical claim that covered the accused stent but...more

38 Results
 / 
View per page
Page: of 2

"My best business intelligence, in one easy email…"

Your first step to building a free, personalized, morning email brief covering pertinent authors and topics on JD Supra:
*By using the service, you signify your acceptance of JD Supra's Privacy Policy.
- hide
- hide