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Patent Litigation Kessler Doctrine Patent Infringement

Baker Botts L.L.P.

Third Quarter 2024 Federal Circuit Law Update

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Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more

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

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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2024

Wisconsin Alumni Research Foundation v. Apple Inc., Appeal Nos. 2022-1884, -1886 (Fed. Cir. Aug. 28, 2024) In its only precedential patent decision last week, the Federal Circuit brought to a close a long-running dispute...more

Sunstein LLP

The Kessler Doctrine: An Expanded Form of Preclusion Unique to Patent Litigation

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Late last year, the Federal Circuit affirmed an award of over $5 million in attorneys’ fees in favor of the defendants in PersonalWeb v. Patreon. In addressing the propriety of the award, the Federal Circuit also took the...more

Knobbe Martens

Federal Circuit Review - June 2020

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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

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

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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

Fox Rothschild LLP

Judge Andrews Grants Defendant’s Motion To Dismiss Plaintiff’s Second Count Of Infringement In Second Amended Complaint Under...

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By Memorandum Opinion entered by The Honorable Richard G. Andrews in Viatech Technologies, Inc. v. Microsoft Corp., Civil Action No. 17-570-RGA (D.Del. July 18, 2019), the Court granted Defendant’s motion to dismiss in part...more

McDermott Will & Emery

Empowering Customers to Sell an Exonerated Accused Product - Speedtrack Inc. v. Office Depot, Inc.

In a decision that expands a customer’s right to defend itself under the Kessler doctrine, the Federal Circuit clarified that a customer is not subject to liability for a product that has already been cleared of patent...more

McDermott Will & Emery

Product May Acquire Non-Infringing Status, Even as to Adjudicated Method Claims, After a Prior Finding of Non-Infringement of...

Brain Life, LLC v. Elekta Inc. - Addressing the Kessler Doctrine, the U.S. Court of Appeals for the Federal Circuit affirmed-in-part, vacated-in-part and remanded a district court’s summary judgment barring assertion...more

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