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Dinsmore & Shohl LLP

Patent Claims Running on AI? Federal Circuit Says Not So Fast on Patent Eligibility

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The question of whether machine learning (ML)-based claims meet the subject matter eligibility requirements under current U.S. patent law remains hotly contested. The U.S. Court of Appeals for the Federal Circuit (CAFC)...more

Knobbe Martens

Hard to Stomach: Things You Say to Prosecute a Patent Can and Will Be Used Against You

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AZURITY PHARMACEUTICALS, INC. v. ALKEM LABORATORIES LTD. Before Murphy, Moore, and Chen. Appeal from the United States District Court for the District of Delaware. Arguments and amendments made during prosecution of a parent...more

Lathrop GPM

Federal Circuit Holds Machine Learning Patent Claims That Don’t Improve the Technology Are Patent Ineligible

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On April 18, 2025, the U.S. Court of Appeals for the Federal Circuit (CAFC) decided a case of first impression regarding the intersection of patent claims directed to machine learning training and patentable subject matter...more

A&O Shearman

Federal Circuit Affirms PTAB Decision On Unpatentability, With The PTO Stepping In After Appellee Withdrew

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On April 15, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) affirmed the Patent Trial and Appeal Board’s (“Board”) decision finding all challenged claims of Sage Products, LLC’s patents anticipated based on...more

McDermott Will & Emery

High Burden Dooms Intra-District Transfer Request

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The US Court of Appeals for the Federal Circuit denied a mandamus petition requesting transfer from the Marshall division to the Sherman division within the US District Court for the Eastern District of Texas, finding that...more

Baker Botts L.L.P.

First Quarter 2025 Federal Circuit Law Snapshot

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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

Sunstein LLP

Federal Circuit Reverses International Trade Commission on Patent Eligibility for Composition-of-Matter Claims

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On February 13, 2025, the U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision reversing the International Trade Commission finding that US Synthetic’s composition of matter claim was not...more

Goodwin

The Court of Appeals for the Federal Circuit’s In Re Riggs Decision: 35 USC 102(e) Prior Art Requires Written Description Support...

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On March 24, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Riggs (the Riggs decision) that vacated a decision of the Patent Trial and Appeal Board (PTAB) of the US...more

A&O Shearman

Federal Circuit Clarifies Requirements For A Prior Art Reference’s Entitlement To The Filing Date Of A Provisional Application To...

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On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion vacating and remanding a decision of the U.S. Patent Trial and Appeal Board (the “Board”) that a published patent application...more

Quarles & Brady LLP

Recap of 2024 U.S. Design Patent Drama: Here’s What We Know Now

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In 2024, design patent law encountered a couple of major changes: the implementation of a new design patent bar, and the upending of decades of obviousness law under 35 U.S.C. § 103 in view of the en banc United States Court...more

Wolf, Greenfield & Sacks, P.C.

CAFC Decision on Orange Book Listings for Drug/Device Combination Patents

On December 20th, 2024, the Court of Appeals for the Federal Circuit issued an important decision in Teva Branded Pharmaceutical Products R&D v. Amneal Pharmaceuticals that impacts Orange Book (OB) listings for patents...more

Irwin IP LLP

CAFC Lowers Bar for Antisuit Injunctions in SEP Cases 

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Ericsson v. Lenovo, Inc., 2024 WL 4558664 (Fed. Cir. 2024) - On October 24, 2024, the Federal Circuit in Ericsson v. Lenovo vacated a district court’s denial of Lenovo’s request for an antisuit injunction in a case...more

A&O Shearman

Federal Circuit Upholds Invalidation Of Photo-Tagging Patents Under 35 U.S.C. § 101 And Alice/Mayo

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On September 17, 2024, Judges Taranto, Chen and Cunningham of the United States Court of Appeals for the Federal Circuit (“CAFC”) upheld the invalidation of a patent belonging to Angel Technologies Group, LLC and dismissed...more

A&O Shearman

Federal Circuit Reverses § 101 Summary Judgment Of Invalidity, Holding That Describing Claims At High Level Of Abstraction And...

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On September 9, 2024, the United States Court of Appeals for the Federal Circuit (“CAFC”) reversed the U.S. District Court for the Northern District of California’s decision finding asserted claims invalid under 35 U.S.C. §...more

A&O Shearman

Platinum Optics Tech. Inc. v. Viavi Sols. Inc.

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In Platinum Optics Tech. Inc. v. Viavi Sols. Inc., the U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision on the requirements for standing to appeal from an inter partes review (IPR) final...more

Irwin IP LLP

Standing in Limbo: What Platinum Optics v. Viavi Tells Us About IPR Appeals 

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Platinum Optics Tech. Inc. v. Viavi Solutions Inc., 2024 WL 3836107 (Fed. Cir. 2024) - On August 24, 2024, the United States Court of Appeals for the Federal Circuit (CAFC) dismissed an appeal for lack of standing after a...more

Fenwick & West LLP

En banc Hearing Petition Filed on Recent Fed. Circ. Collateral Estoppel Decision

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The Court of Appeals for the Federal Circuit has sparked debate following a recent ruling on the Patent Trial and Appeal Board's (PTAB) application of estoppel provisions in invalidating amended claims in inter partes...more

A&O Shearman

Standing & Product Development: Platinum Optics Tech. Inc. v. Viavi Sols. Inc.

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In Platinum Optics Tech. Inc. v. Viavi Sols. Inc., the U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision on the requirements for standing to appeal from an inter partes review (IPR) final...more

Irwin IP LLP

On-Sale Bar Arguments Fizzle Out at the Federal Circuit 

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Celanese Int'l Corp. v. Int'l Trade Comm'n, No. 2022-1827, 2024 WL 3747277, at *1 (Fed. Cir. Aug. 12, 2024) - Manufacturers beware! Your sales of products based on secret manufacturing processes may invalidate your...more

Dinsmore & Shohl LLP

Excluding Prior Art Based on Private Sales? Federal Circuit Says No.

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A private sale may start an inventor’s one-year filing clock, but it likely won’t save a patentee from an intervening prior art reference. On July 31, 2024, in a precedential decision, the U.S. Court of Appeals for the...more

A&O Shearman

Federal Circuit Provides Guidance On Estoppel Provision Under 37 C.F.R. § 42.73(d)(3)(i)

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On July 26, 2024, the Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing-in-part decisions from the U.S. Patent Trial and Appeal Board (“PTAB”) in two inter partes reexamination...more

Dinsmore & Shohl LLP

Estoppel Principles in Patent Office Proceedings

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On July 26, 2024, in a precedential decision, the U.S. Court of Appeals for the Federal Circuit (CAFC) upheld and expounded on the estoppel provision set forth in 37 C.F.R. § 42.73(d)(3)(i). The CAFC confirmed that the Patent...more

Baker Donelson

A Baker's Dozen of Patent Law Developments for 2024

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The world of intellectual property law is always changing, and it can be difficult to keep up. Here are 13 developments in patent law so far in 2024 to help you stay in the know....more

McDonnell Boehnen Hulbert & Berghoff LLP

Beteiro, LLC v. DraftKings, Inc. (Fed. Cir. 2024)

Recently, the Court of Appeals for the Federal Circuit (CAFC) issued an opinion in Beteiro, LLC v. DraftKings Inc.[1]  This case is yet another case where the Federal Circuit upheld invalidity under § 101.  Here, the patents...more

Quarles & Brady LLP

R.I.P. Mr. Rosen: Federal Circuit Upends Longstanding Design Patent Obviousness Test

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Upending decades of continuity in the world of design patents, the United States Court of Appeals for the Federal Circuit (“CAFC”), sitting en banc in LKQ Corporation v. GM Global Technology Operations LLC, overturned the...more

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