News & Analysis as of

Inter Partes Review (IPR) Proceeding CAFC Patent Invalidity

A&O Shearman

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

A&O Shearman on

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

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

2024 Design Patents Year in Review: Analysis & Trends

As we predicted in our 2023 report, 2024 was a banner year for design rights in the U.S. and elsewhere. In last year’s report, we noted that the U.S. Court of Appeals for the Federal Circuit (CAFC) agreed to consider en banc...more

Irwin IP LLP

CAFC Holds Priority Favors True Trailblazers, Not Maze-Like Paths Through a Forest of Prior Applications: Regents of the...

Irwin IP LLP on

The Court of Appeals for the Federal Circuit (“CAFC”) recently upheld a decision of the Patent Trial and Appeal Board (“PTAB”) that found some claims of U.S. Patent 8,815,830 (“the ’830 patent”) unpatentable as anticipated....more

Jones Day

Ho, Ho, No: CAFC Delivers Reversal, Vacatur, and Remand in Christmas Tree Row

Jones Day on

The Federal Circuit recently issued another decision in a longstanding dispute between Willis Electric Co. and Polygroup Ltd. involving two patents owned by Willis (U.S. Patent Nos. 8,454,186 and 8,454,187) directed to...more

Sunstein LLP

Section 101 Gains a Toehold in IPRs

Sunstein LLP on

Inter partes reviews (IPR) are limited by statute to grounds of invalidity under 35 U.S.C. §§ 102 (novelty requirement) and 103 (nonobviousness requirement) and on the basis of prior art patents or printed publications....more

Troutman Pepper Locke

CAFC Affirms PTAB’s Decision That Printed Matter Doctrine Can Be Used In Claim Construction

Troutman Pepper Locke on

In an inter partes review proceeding, a challenger cannot raise patent-eligibility as a ground of invalidity. Rather, the invalidity grounds are limited to lack of novelty and obviousness. ...more

Troutman Pepper Locke

CAFC Affirms PTAB’s Decision To Invalidate Cialis and Adcirca Patents

Troutman Pepper Locke on

In a recent decision, the Court of Appeals for the Federal Circuit (CAFC) affirmed decisions in two inter-partes review (IPR) proceedings that patents owned by ICOS Corporation directed to tadalafil formulations (used in the...more

Foley & Lardner LLP

CAFC Finds Harmless Error in USPTO Reliance On Doctrine of Inherency

Foley & Lardner LLP on

In Southwire Co. v. Cerro Wire LLC, the Federal Circuit upheld the USPTO decision rendered in an inter partes reexamination proceeding that found Southwire’s patent invalid as obvious. Although the court found that the USPTO...more

Troutman Pepper Locke

CAFC Finds Another PTAB Claim Construction Unreasonable and Again Reverses an Invalidity Holding

Troutman Pepper Locke on

In an inter partes review (IPR) proceeding, the meaning of terms used in challenged claims of an unexpired patent are given their broadest reasonable interpretation in light of the claim language and the specification. The...more

Mintz - Intellectual Property Viewpoints

Supreme Court to Decide the Constitutionality of Inter Partes Review

In a move that could drastically change the patent law landscape, the United States Supreme Court recently granted certiorari in Oil States Energy Services LLC v. Greene’s Energy Group LLC, No. 16-712, to answer the question...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Reverses PTAB Claim Interpretation in Dispute over Credit Card Security Patent

The Federal Circuit reversed the invalidation of two patents directed to providing security for credit card purchases in an opinion released earlier today. The patents at issue, U.S. Patent Nos. 7,840,486 and 8,036,988,...more

Mintz - Intellectual Property Viewpoints

CAFC’s Husky Decision Makes Sledding Tougher for Patent Owners in PTAB Appeals

The Federal Circuit recently determined that it lacked jurisdiction to review the Patent Trial and Appeal Board’s determination that assignor estoppel has no affect in an inter partes review (“IPR”). The majority’s decision...more

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