News & Analysis as of

Issue Preclusion Patent Litigation

Sheppard Mullin Richter & Hampton LLP

Precluded, Not Repeated: WARF & Apple Continue to Shape our Understanding of Issue Preclusion in Patent Law

This case addresses the application of issue preclusion in scenarios where two closely related cases allege patent infringement against different versions of the same technology. Specifically, this case discusses whether a...more

McDermott Will & Emery

Beware Equitable Doctrine of Issue Preclusion in Multiparty, Multivenue Patent Campaigns

Addressing for the first time whether an invalidity order merges with a voluntary dismissal for purposes of finality, the US Court of Appeals for the Federal Circuit held that an interlocutory order merges with the final...more

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

[Webinar] Developments in IPR Estoppel - December 5th, 1:00 pm - 2:00 pm EST

Director Jason A. Fitzsimmons and Counsel Richard A. Crudo will present the “Developments in IPR Estoppel” webinar on Tuesday, December 5, 2023, at 1:00 PM ET. The possibility of being estopped from asserting prior art in...more

Akin Gump Strauss Hauer & Feld LLP

Courts Must Analyze Claims as a Whole to Determine Whether Independent Claims That Lack Written Description Preclude Assertion of...

The District Court for the District of New Jersey recently denied a defendant’s motion for summary judgment which sought to invalidate a dependent claim on preclusion grounds based on the PTAB’s invalidation of the related...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Renders Decisions in Interference No. 106,127

On September 28, 2022, the Patent Trial and Appeal Board denied all preliminary motions by Junior Party the University of California, the University of Vienna, and Emmanuelle Charpentier (collectively, "CVC") and Senior Party...more

Haug Partners LLP

Can Different Theories of Patent Invalidity Be Deemed Different Issues for Collateral Estoppel Purposes?

Haug Partners LLP on

The doctrine of issue preclusion, or collateral estoppel, prevents a party who unsuccessfully litigated an issue to a final decision in one proceeding from relitigating the same issue in future proceedings. In the patent...more

Morrison & Foerster LLP - Federal Circuitry

Last Week In The Federal Circuit (September 6 – September 9): Repeating Litigation, Again

Usually in American courts, parties get one chance to litigate a single legal claim. Courts enforce that principle in a variety of ways – at the back end, through rules like claim and issue preclusion; and at the front end,...more

McDermott Will & Emery

Since Vacatur Seeks Equitable Relief, Clean Hands Matter

McDermott Will & Emery on

In an opinion related to its 2021 ruling that a decision in earlier inter partes reexaminations of related patents had a preclusive effect that collaterally estopped the Patent Trial & Appeal Board (Board) from making new...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions: SynQor, Inc. v. Vicor Corp., 988 F.3d 1341 (Fed....

SynQor, Inc. appealed the inter partes reexamination decision of the Patent Trial and Appeal Board (Board) holding un- patentable as obvious original claims 1–19, 28, and 31 of SynQor’s patent, U.S. Patent No. 7,072,190 as...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

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

[Webinar] Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions - February 17th, 1:00 pm - 2:00 pm EST

Sterne, Kessler, Goldstein & Fox invites you to a webinar, "Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions," on Thursday, February 17, 2022. In conjunction with the release of the firm's...more

Haug Partners LLP

In SynQor, Inc. v. Vicor Corp., Federal Circuit Applies Collateral Estoppel to Related Inter Partes Reexamination Proceedings

Haug Partners LLP on

On February 22, 2021, the Federal Circuit addressed for the first time whether collateral estoppel (i.e., issue preclusion) was applicable in inter partes reexamination proceedings. The case is SynQor, Inc. v. Vicor Corp.,...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Issue Preclusion Precluded PTAB’s Contrary Result in a Later Inter Partes Reexam

In SynQor, Inc. v. Vicor Corp., Case No. 19-1704 (Fed. Cir. Feb. 22, 2021), the Federal Circuit vacated the inter partes reexamination decision from the Patent Trial and Appeal Board (the “Board”). As part of the decision,...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (February 22-26): Who Needs Cross Examination? Issue Preclusion Before the PTAB

All eyes are on Arthrex this week, right?  So of course we decided to take a look at a Board decision, and one that—so says the dissent—creates a circuit split.  Below we provide our usual weekly statistics and our case of...more

Knobbe Martens

Inter Partes Reexam Can Trigger Issue Preclusion

Knobbe Martens on

SYNQOR, INC. v. VICOR CORPORATION - Before Dyk, Clevenger, and Hughes. Appeal from the Patent Trial and Appeal Board. Summary: A finding during inter partes reexamination that two references would not be combined...more

Knobbe Martens

Federal Circuit Review - June 2020

Knobbe Martens on

Non-Infringement Need Not Be “Actually Litigated” To Shield Accused Products From Infringement Liability In Subsequent Actions - In In Re Personal Web Technologies LLC, Appeal No. 19-1918, the Federal Circuit ruled that the...more

Jones Day

SCOTUS Says “Fresenius/Simmons Preclusion Principle” Stays Alive

Jones Day on

The Supreme Court recently denied Chrimar Systems, Inc. (Chrimar)’s petition for certiorari seeking to overturn the Federal Circuit’s “Fresenius/Simmons preclusion principle,” under which Chrimar’s district court victory...more

Troutman Pepper

Federal Circuit Review - Issue 269

Troutman Pepper on

269-1. Federal Circuit Confirms Amazon’s Customers are Protected from Lawsuit via the Kessler Doctrine, Despite the Previous Case being Voluntarily Dismissed with Prejudice. ...more

Mintz - Intellectual Property Viewpoints

The Federal Circuit Broadens Application of the Kessler Doctrine

Last week, the Federal Circuit invoked the Kessler doctrine in ruling that a district court’s dismissal of the plaintiff’s patent infringement suit against Amazon barred the plaintiff’s subsequent lawsuits against Amazon and...more

Knobbe Martens

Non-Infringement Need Not Be “Actually Litigated” to Shield Accused Products From Infringement Liability in Subsequent Actions

Knobbe Martens on

In Re Personal Web Technologies LLC - Before Wallach, Bryson, and Taranto. Appeal from the United States District Court for the Northern District of California. Summary: The Kessler doctrine is not limited to cases...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Hears Oral Argument on Motions in Interference No. 106,115

On Monday, the Patent Trial and Appeal Board (PTAB) heard oral argument (remotely) from Senior Party the Broad Institute (and its partners as Senior Party, Harvard University and MIT) and Junior Party the University of...more

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

Federal Circuit Appeals From The PTAB: Summaries of Key 2019 Decisions: Papst Licensing GMBH & Co. v. Samsung Elec. Am., Inc., 924...

Samsung successfully petitioned for inter partes review (IPR) of several of Papst’s patents, including U.S. Patent No. 9,189,437. Prior to the Patent Trial and Appeal Board (PTAB) finding the claims of the ’437 patent...more

Akin Gump Strauss Hauer & Feld LLP

PTAB: Collateral Estoppel Precludes Patent Owner from Advancing Arguments Previously Rejected in IPRs Involving Different but...

A recent ruling from the Patent and Trial Appeal Board (PTAB) highlights the critical role that collateral estoppel (also known as issue preclusion) can play in inter partes review (IPR) proceedings. In a final written...more

McDermott Will & Emery

Dropping Appeal on the Eve of Oral Argument Leads to Preclusion of Another

Addressing the applicability of issue preclusion in inter partes review (IPR) proceedings, the US Court of Appeals for the Federal Circuit found that a patent owner’s arguments on appeal were precluded based on similar...more

WilmerHale

Federal Circuit Patent Updates - September 2018

WilmerHale on

Hyatt v. Pato (No. 2017-1722, 9/24/18) (Reyna, Wallach, Hughes) - Hughes, J. Reversing dismissal for lack of subject matter description stating, “the exclusive jurisdiction of this court and the Eastern Virginia district...more

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