News & Analysis as of

Patent Trial and Appeal Board Patent Invalidity CAFC

Morgan Lewis

USPTO Tightens Limits on AAPA Use in IPRs Following Qualcomm Precedent

Morgan Lewis on

A recent memo from the acting director of the US Patent and Trademark Office directs the Patent Trial and Appeal Board (PTAB) to reject inter partes review (IPR) petitions that use “applicant admitted prior art (AAPA), expert...more

King & Spalding

USPTO Acting Director Stewart Limits Use of General Knowledge in IPR Petitions

King & Spalding on

On July 31, 2025, Acting USPTO Director Coke Morgan Stewart released a memo instructing the agency “that applicant admitted prior art (AAPA), expert testimony, common sense, and other evidence that is not ‘prior art...more

McDonnell Boehnen Hulbert & Berghoff LLP

In re BAC IP B.V. (Fed. Cir. 2025)

A patent applicant dissatisfied by an patent examiner's rejection of that applicant's claims in ex parte prosecution has recourse by appeal to the Patent Trial and Appeal Board (PTAB) under 35 U.S.C. § 134, and to the Federal...more

ArentFox Schiff

USPTO Restricts Use of AAPA and Other General Knowledge Evidence in IPR Proceedings

ArentFox Schiff on

On July 31, the US Patent and Trademark Office (USPTO) issued a new memorandum announcing that it will begin enforcing 37 C.F.R. § 42.104(b)(4) that requires petitioners in inter partes review (IPR) proceeding to “specify...more

Knobbe Martens

Applicant Admitted Prior Art Can (Sometimes) Show Obviousness

Knobbe Martens on

SHOCKWAVE MED., INC., V. CARDIOVASCULAR SYS., INC. - Before Lourie, Dyk, and Cunningham.  Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2019-00405. In inter partes review...more

McDermott Will & Schulte

Applicant-admitted prior art may inform but can’t be basis for IPR challenges

The US Court of Appeals for the Federal Circuit clarified that while applicant-admitted prior art (AAPA) may be cited as evidence of general background knowledge in inter partes review (IPR) proceedings, it cannot serve as...more

A&O Shearman

Federal Circuit Affirms Patent Trial And Appeal Board Decision, Finding Claims Of Patents Covering CRISPR Guide RNA Technology As...

A&O Shearman on

On June 11, 2025, the United States Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board (PTAB) decision invalidating two patents owned by Agilent Technologies. The patents at issue, U.S. Patent...more

Irwin IP LLP

Seeing Double?  Similar Claim Terms Could Be Trouble  

Irwin IP LLP on

When prosecuting a patent with similar language across various claims make sure your claim terms have different meanings, otherwise, during litigation you may lose the strategic opportunity to keep some claims valid if others...more

Jones Day

Federal Circuit: Petitioner Estoppel Does Not Apply to Product Prior At Grounds

Jones Day on

In IOENGINE, LLC v. Ingenico Inc. (Fed. Cir. 2025), the Federal Circuit narrowed the scope of IPR estoppel under 35 U.S.C. § 315(e)(2), which precludes an IPR petitioner from asserting in court that a patent claim “is invalid...more

WilmerHale

Federal Circuit Provides Guidance on Scope of IPR Estoppel

WilmerHale on

In its recent decision in Ingenico Inc. v. IOENGINE, LLC, the Federal Circuit affirmed the district court’s decision to allow Ingenico to introduce certain prior art at trial, finding that inter partes review (IPR) estoppel...more

Proskauer - The Patent Playbook

Ingenico Inc. v. IOENGINE, LLC: Federal Circuit Resolves the IPR Estoppel Split

In what is certain to become a landmark decision, the Federal Circuit has resolved a long-standing question that divided patent litigators and judges alike: does IPR estoppel apply to physical systems (“system art”) described...more

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

A&O Shearman

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

A&O Shearman on

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

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

A&O Shearman

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

A&O Shearman on

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

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

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

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

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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