News & Analysis as of

Intellectual Property Protection Patent Litigation

Cooley LLP

Federal Circuit Strengthens Prosecution History Estoppel Principles in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC

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On July 18, 2025, the US Court of Appeals for the Federal Circuit reversed a lower court ruling in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, holding that prosecution history estoppel barred the patentees’ doctrine...more

Irwin IP LLP

Fed. Cir. Ends Approach Employed To Make Challenging Patents As Abstract Ideas More Difficult 

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Optis Cellular Tech., LLC v. Apple Inc., No. 22-1925 (Fed. Cir. June 16, 2025) - Over a decade ago, the U.S. Supreme Court arguably made it easier to invalidate a patent for claiming nonpatentable abstract ideas when it...more

Troutman Pepper Locke

Navigating IP Risks in Emerging Clean Energy Technologies

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The evolution of grid management strategies to accommodate the increased adoption of renewable energy sources has led to a significant rise in both patent filings and patent disputes. An increased proportion of a grid's power...more

Troutman Pepper Locke

Federal Circuit Ruling Broadens Reach of Prosecution History Estoppel to Include Canceled Claims

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Prosecution history estoppel typically arises when a claim is rejected during prosecution and is then amended (narrowed) to overcome the rejection. However, in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, No....more

ArentFox Schiff

USPTO Ends Remote PTAB Hearings Effective September 1

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The US Patent and Trademark Office (USPTO) has announced that, effective September 1, all PTAB hearings will be conducted in person at USPTO offices, marking a departure from the virtual and hybrid formats adopted in recent...more

ArentFox Schiff

Overcoming the ‘Settled Expectations’ Doctrine: Guidance From Intel v. Proxense

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Last month, we provided an overview of the Patent Trial and Appeal Board’s (PTAB) application of the “settled expectations” doctrine, articulated in recent PTAB director-level decisions. Interim Director Coke Morgan Stewart...more

Fish & Richardson

A New FRAND Framework: India Embraces Interim Security to Deter SEP Hold-Out

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The Delhi High Court’s ruling in Dolby International AB & ANR v. Lava International Limited appears to mark a pivotal shift in India’s approach to the enforcement of standard essential patents (SEPs) wherein the High Court...more

Katten Muchin Rosenman LLP

Get to Know: Anita Hodea - The Katten Kattwalk | Issue 29

Tell me about key moments or mentors that have most influenced your legal career and shaped your current intellectual property (IP) practice?...more

Herbert Smith Freehills Kramer

The UPC – Two Years On

The Unified Patent Court – a one-stop-shop for European patent litigation – is now two years old. As it enters its third year of operation, we look at the approach that is becoming established in the new system, drawing out...more

Jones Day

“Settled-Expectations” Analysis May Leave Some Petitioners Feeling Unsettled

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As discretionary denials are on the rise and institution rates are declining at the PTAB (link), recent decisions from the PTAB have introduced the notion of a patent owner’s “settled expectations” as another reason for the...more

Dinsmore & Shohl LLP

“What You Say Can and Will Be Used Against Your Patent” Says Federal Circuit in New Opinion

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Last week, the Federal Circuit issued its decision in Top Brand LLC v. Cozy Comfort Company LLC, clarifying the application of prosecution history disclaimer in the context of design patents. This alert summarizes the...more

Esquire Deposition Solutions, LLC

Tech Titans Invoke, and Grow, Apex Deposition Doctrine

Plaintiffs’ attorneys often hope to put a famous face on the business end of lawsuits against corporate defendants. The sight of a celebrity from the business world answering uncomfortable questions creates courtroom drama...more

Sheppard Mullin Richter & Hampton LLP

Lexicography: Clear And Unequivocal

This Federal Circuit opinion analyzes lexicography in the context of claim construction. Alnylam Pharmaceuticals owns U.S. Patent Nos. 11,246,933 (parent) and 11,382,979 (child). These patents relate to biodegradable...more

K&L Gates LLP

EU Designs: Genuine Design Activity and Intellectual Effort are not Required for Protection

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Advocate General Nicholas Emiliou has delivered his opinion in the case Deity Shoes, S.L. v Mundorama Confort, S.L. and another (Case C 323/24). The case considers whether a footwear design made by Deity Shoes, S.L. (Deity...more

Jones Day

Discretionary Denial Where Inventors Petitioned for Unpatentability

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Coke Morgan Stewart, the acting director of the United States Patent and Trademark Office (“USPTO”), exercised discretion under 35 U.S.C. § 314(a) to deny Tessell’s (“Petitioner’s”) petition in favor of Nutanix (“Patent...more

WilmerHale

Google Victory Is First Step to Address Patent Damages Imbalance

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Patents are a mutually beneficial agreement between inventors and the government. Each side makes concessions in service of their own, and the greater, good. It’s a careful balance, where policy and rules that are too...more

Proskauer - The Patent Playbook

PTO Creates New Expectations Regarding Discretionary Denials

On the heels of the U.S. Patent and Trademark Office Acting Director’s recent decision to deny institution of iRhythm Technologies’ inter partes review petition, the PTO has now issued additional decisions clarifying the role...more

A&O Shearman

UPC Court of Appeal confirms its jurisdiction over infringements that pre-date the UPC Agreement

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Xsys Italia v. Esko-Graphics ORD_23545/2025 - The Court of Appeal of the Unified Patent Court (UPC) has delivered a decision clarifying the temporal scope of the UPC’s jurisdiction over European patent infringement...more

Cooley LLP

Intellectual Property Disputes With Forensic Analysis Need Lawyers’ Involvement: Cooley’s Michael Berkovits

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Cooley’s Michael Berkovits says lawyers working on an intellectual property dispute should consult closely with forensic analysts and treat their findings as an investigative tool. Computer forensic analysis has become a...more

Carlton Fields

Court Finds MSN Does Not Infringe Novartis’s Patent and Clears the Way for Generic Entresto

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In In re Entresto (Sacubitril/Valsartan) Patent Litigation, Judge Richard G. Andrews of the U.S. District Court for the District of Delaware granted MSN Pharmaceuticals Inc. a victory on noninfringement of U.S. Patent No....more

Jones Day

Discretionary Denial of IPR Institution Due to Advanced Hatch-Waxman Litigation

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In a recent decision, the Patent Trial and Appeals Board (“PTAB”) exercised its discretion under 35 U.S.C. § 314(a) to deny institution of an inter partes review (“IPR”) after applying the Fintiv factors, despite Petitioner’s...more

Mintz - Intellectual Property Viewpoints

Is Your Enantiomer Possessed? Patenting of Enantiomers – Does Written Description Require More Than Actual Possession?

It is well established that an enantiomerically pure compound exhibiting advantageous properties not present in its isomer or its corresponding racemic mixture, can be patented even if its corresponding racemic mixtures are...more

DLA Piper

The Battle for CRISPR: Federal Circuit Draws a Crisp Line Between Conception and Reduction to Practice

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The dispute over who invented CRISPR-Cas9 (CRISPR), a gene-editing technology awarded the 2020 Nobel Prize in Chemistry, has been one of the most closely watched legal battles in the world of biotechnology. For more than a...more

Jackson Walker

Perceptix v. Meta Platforms – A Headphone Patent Lawsuit Without a Sound Basis

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On June 30, 2025, Perceptix filed suit against Meta Platforms for infringement of U.S. Patent 8,498,439, which describes a headphone that turns on when it is worn. The ‘439 Patent is assigned to the Electronics and...more

Knobbe Martens

Federal Circuit Review | June 2025

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In Dolby Laboratories Licensing Corporation V. Unified Patents, LLC, Appeal No. 23-2110, the Federal Circuit held that a patent owner lacks Article III standing to appeal an inter partes review decision on patentability when...more

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